
29 April 2025
Star Energy Group plc (AIM: STAR)
("Star Energy" or "the Company" or "the Group")
Full year results for the year ended 31 December 2024
Commenting today, Ross Glover, Chief Executive Officer, said:
"I am very pleased to be presenting my first annual results as Chief Executive Officer of Star Energy. Our strategic aim is to be a profitable energy business generating strong cashflows from our oil and gas assets whilst progressing growth opportunities in the geothermal sector. By focusing on maximising profitability from our oil and gas activities, we ensure long-term sustainability and can successfully navigate a volatile oil price environment, which is increasingly important in today's uncertain geopolitical climate. We have maintained strong production across our fields and made good progress in reducing costs, with substantial general and administrative savings projected for 2025.
Investing in our producing assets provides a robust financial foundation for future growth, and I am confident that geothermal energy presents a significant growth opportunity in both the UK and Europe. Successful project development will create material incremental asset value and can deliver strong returns for shareholders. We recognise that it will take time to bring our geothermal projects to production and are committed to rigorously assessing project commerciality in order to allocate capital based on strict criteria for achievement of milestones and creation of value. This approach will enable us to build a portfolio of profitable projects over time."
Financial Performance
| 2024 | 2023 |
| £m | £m |
Revenues | 43.7 | 49.5 |
Net debt* | 7.5 | 1.6 |
Adjusted EBITDA* | 11.1 | 16.1 |
Operating cash flow before working capital movements | 8.8 | 15.0 |
Loss after tax | (12.6) | (5.5) |
Cash and cash equivalents (excluding restricted cash) | 4.7 | 3.9 |
Underlying operating profit* | 5.9 | 9.1 |
* Adjusted EBITDA, Net Debt (borrowings less cash and cash equivalents excluding capitalised fees) and Underlying Operating Profit are used by the Group, alongside IFRS measures for both internal performance analysis and to help shareholders, lenders and other users of the Annual Report to better understand the Group's performance in the period in comparison to previous periods and to industry peers
Corporate & Financial Highlights
· Successfully secured a €25 million financing facility provided by Kommunalkredit Austria AG which, while primarily supporting the development of our geothermal energy sector, also enables continued investment in the oil and gas business utilising existing cash flows
· Cash at 31 December 2024 was £4.7 million, excluding restricted cash, and Star Energy had drawn £12.2 million under its loan facility. Restricted cash was £4.3 million and relates to the cash backing of performance bonds for licence commitments of the Company's Croatian subsidiary relating to the Sječe and Pčelić exploration licences
· Increased our stake in our Croatian subsidiary post year end, from 51% to 71%, allowing us to control the development of this initiative until appropriate value inflection points are achieved
· Exchanged contracts for the sale of non-core land for £6.3 million in November 2024 with proceeds received in April 2025
· Hedging in place for 400bbl/d for H1 2025 and H2 2025 with swaps at an average price of $79.8/bbl and $73.0/bbl, respectively
· Energy Profits Levy of £1.0 million paid in February 2025 based on the taxable profits for the year ended 31 December 2023. The Company estimates a charge of £2.1 million for 2024
Operational Highlights
· Net production, in line with guidance averaging 1,989 boepd in 2024 (2023: 2,100), with uptime across the portfolio remaining strong over the year
· Continued to optimise oil production from our existing wells through selective investment in short cycle developments which deliver quick payback
· DeGolyer & MacNaughton updated CPR values 2P NPV10 at $188 million (2023: $235 million). The decrease in reserves value is due to a development project moving out of the reserves category due to project prioritisation
· Work has begun on the Singleton gas-to-wire project which will deliver c.74 boe/d, utilising gas which is currently being flared. The project, which satisfies the regulatory requirements for the facility, now has planning consent and a secured grid connection. Procurement for long lead items is underway, with a first export of electricity from the site expected late 2025
· Ernestinovo licence commitments have been fulfilled and the acquisition of magnetotelluric data across the Sjece and Pcelic geothermal licence blocks in Croatia is complete, with the incorporation of this data into the geological models underway. Work is ongoing on the technical analysis to rank the optimal sequencing of their commercial development
· Seismic data was acquired and analysed for the Salisbury NHS Foundation Trust project, and pre-applications have been submitted for planning and permitting for both Salisbury and the Wythenshawe Hospital projects
Outlook
· We anticipate net production of c.2,000 boepd and operating costs of c.$40/boe (assuming an average exchange rate of £1:$1.27) in 2025
· 2025 forecast capital expenditure is c.£10.0 million. This includes £5.8 million on the Singleton gas-to-wire project which is forecast to come online in late 2025 with production of 74 boe/d. Star Energy also plans to invest £1.7 million on quick returning incremental projects and the balance on regulatory improvements, site resilience and projects to reduce operating costs going forward
· Holybourne sale proceeds of £6.3 million will be used to repay Facility A of our Kommunalkredit loan which is due on 30 June 2025
· Good progress on G&A costs reduction expected to generate savings of c.£1.5 million in 2025
· Data analysis continuing to further derisk our Croatian portfolio
· Seeking strategic partnerships in the UK to advance our pipeline
A results presentation will be available later today at https://www.starenergygroupplc.com/investors/reports-publications-presentations/
Marie Dransfield, Technical Director of Star Energy Group plc, and a qualified person as defined in the Guidance Note for Mining, Oil and Gas Companies, June 2009 as updated 21 July 2019, of the London Stock Exchange, has reviewed and approved the technical information contained in this announcement. Mrs Dransfield has 19 years' oil and gas exploration and production experience.
For further information please contact:
Star Energy Group plc Ross Glover, Chief Executive Officer Frances Ward, Chief Financial Officer
| Tel: +44 (0) 207 993 9899 |
Zeus (Nominated Adviser & Broker) Antonio Bossi, Alexandra Campbell-Harris (Investment Banking) Simon Johnson (Corporate Broking)
| Tel: +44 (0) 203 829 5000 |
Vigo Consulting Patrick d'Ancona, Finlay Thomson, Kendall Hill | Tel: +44 (0) 207 597 5970 |
Chairman's statement
I am pleased with the progress we have made on our strategic aims during the year despite an increasingly challenging political and regulatory environment. Our focus remains on being a responsible operator of our oil and gas assets, managing these for maximum value and rightsizing to maintain profitability, whilst continuing to contribute to the delivery of the UK's domestic energy security.
At a time of increasing international uncertainties, where the value of energy security is important, 100% of our production comes from the UK onshore and is consumed in the UK. We focus on maintaining consistent volumes of production and investing our capital to create value for shareholders now and over the longer term. We are keen to capitalise on our undoubted skills in onshore oil and gas operations to develop growth opportunities as these arise in geothermal power and heating, both in the UK and Croatia.
Our long experience of successful and environmentally responsible onshore oil and gas development and operation, together with a substantial skillset in this area is readily transferable to geothermal. We have established expertise in navigating the regulatory and planning environment and have very experienced commercial, subsurface and operating teams. We calibrate our initiatives to match the readiness of our counterparties and customers. Our expertise has been supplemented through the acquisition of A14 Energy in 2023, where the Croatian team provide significant in-country expertise. We have the technical and operational capability to de-risk projects, creating natural monetisation points that offer flexibility to retain or farm down assets for early value realisation.
We have strengthened our balance sheet through securing a €25 million debt facility with Kommunalkredit AG which, while primarily funding geothermal growth, also allows us to reinvest cashflows in our oil and gas assets. The sale of a non-core asset for £6.3 million which completed in 2025, was an important step in realising value from our existing assets. However, improving our resilience in an uncertain commodity price environment is critical and we have already made good progress on this, realising significant savings in our cost base as we go into 2025.
Generating strong cashflows from our existing operations is important in creating value for shareholders. We have continued to operate in a safe and environmentally friendly manner and achieved a strong safety performance for the year. The safety of our staff and that of the communities we work in is of paramount importance and will always be front and centre as we look to streamline our operations and drive down costs. Our existing operations provide a solid platform for maximising profits in our conventional oil business and provide the professional and capital resources as new energy opportunities materialise.
In a UK context, the decarbonisation of heat utilising the geothermal resource beneath our feet can deliver a sustainable, low carbon and on demand energy source. Approximately half of energy consumed in the UK is ultimately used in the creation of heat. The development of a geothermal sector would provide baseload heat. It could help make Britain the clean energy superpower promoted by the government and boost economic growth whilst helping the country achieve its legally binding net zero targets. With our extensive UK onshore expertise, transferable skills and subsurface database, we are in a strong position to deliver low carbon heat energy for the country provided that the government is able to use its convening and co-ordinating powers to help deliver executable projects in a timely fashion.
In Croatia, we have advanced our geothermal projects with further data acquisition and interpretation across all three licences. Geothermal activity in the country is increasing rapidly, and Croatia is emerging as a European hotspot for the sector. A supportive regulatory regime and government backing provide a solid foundation for the development of our existing licences and further expansion. Growing investor interest underlines the potential, and our increased stake in the Croatian subsidiary post year end, from 51% to 71%, allows us to control the development of this initiative until appropriate value inflection points are achieved.
In 2024, we appointed Ross Glover as CEO, who brings a depth of experience in both oil and gas and renewable energy development. Ross has been with Star since 2017 and was previously COO. We thank the previous CEO, Chris Hopkinson, for his contribution to the development of the Company and we wish him all the best for the future.
On behalf of the Board, I would like to thank everyone in the business for their commitment and professionalism. It is the combination of a proven track record of strong operational performance, resilience and adaptability that keep the business moving forward.
Outlook
Recent times have amply demonstrated that energy is a strategic resource and the basic building block for a modern economy looking for growth. The current geopolitical climate and its impact on oil prices reinforces the importance of resilience in a volatile commodity price environment. As the largest onshore oil and gas company in the UK, Star has an important role to play. The energy transition is underway, and we are at the forefront of the challenges and opportunities that this evolution brings. However, the approach must be managed wisely as hydrocarbons currently continue to provide the world with some 80% of our daily energy supply (much of it imported into the UK). The Company will accordingly continue to maximise its own cashflows from its existing energy portfolio. We will invest in our conventional business to maintain production levels. It is important to recognise the continuing role of fossil fuels in providing for UK energy needs during the transition to a low carbon economy and developing indigenous, locally produced resources is a critical part of the UK's future energy security. We continue to play our part in delivering that.
Operating review
We continue to operate in a safe and environmentally sensitive manner, which is a fundamental principle guiding all our activities and decisions. Our focus on maximising profitability from our oil and gas activities is crucial for long-term sustainability and enables us to successfully navigate a volatile oil price environment. We plan to capitalise on government backing, an investor-friendly regulatory framework, and increased investor interest in Croatia, presenting a unique opportunity for expansion and progression of our geothermal projects in this region. In the UK, we are advancing geothermal energy to take advantage of the government's renewable energy aspirations, proceeding cautiously until a clearer investment framework is established.
Oil and gas
The Company's focus is on optimising the net profitability of the fields from which it produces. In this context, predictability of production (across its mature portfolio of operations) is also important. Well uptime remained strong across the year with net production for the year averaging 1,989 boepd (2023: 2,100 boepd). Good results from a rolling programme of well optimisation and stimulation activities yielded additional production at a number of sites. However, as expected, we saw a reduction in production from our Albury field (c. 80 boe/d) due to a decline in gas pressure resulting in the cessation of gas exports.
We continue to offset decline rates through the execution of low cost incremental production projects with short pay-back times, and have increased the efficiency of our well service operations thereby achieving better uptimes across our sites. We have made progress in reducing operating costs in certain areas, from £24.1 million in 2023 to £22.3 million, however, more work needs to be done and this will be a focus as we go forward. We are still seeing the impact of the regulatory burden but are working with regulators to address those costs and/or duplication of effort which do not contribute to our high standards as an environmentally responsible operator. We upgraded pipelines and the processing centre at our Gainsborough site which will result in lower operating costs going forward. However, a step-change in operating costs is dependent on optimising the operational portfolio, including full field abandonment at less productive sites. Work has started on this and, following the full impairment of our shale assets in 2023, we have started to rationalise our portfolio of exploration licences, relinquishing early-stage exploration and shale licences whilst retaining core exploration acreage adjacent to our existing operations in the East Midlands. Five wells have been abandoned at our non-operated Doe Green and Irlam sites, with site restoration work planned for 2025. Alongside this, we have re-organised and simplified our operating licence structure. This re-organisation will lead to reduced costs and a lower administrative burden going forward.
We have also made good headway in reducing our G&A costs with a target to achieve annual savings of c.£1.5 million with effect from 2025. We will continue to maximise cashflows from our oil and gas business and secure an income stream that is resilient in a volatile commodity price environment.
Work has begun on the Singleton gas-to-wire project which will deliver c.74 boe/d, utilising gas which is currently being flared. The project, which satisfies the regulatory requirements for the facility, now has planning consent and a secured grid connection. Procurement for long lead items is underway, with a first export of electricity from the site expected in late 2025. We have permitted projects at Glentworth (200boepd), Corringham (100boepd) and Bletchingley (6MW gas-to-wire), however, progress on these is subject to finding a farm-in partner.
Geothermal Energy
We see exciting opportunities for growth in our geothermal business, both in the UK and Croatia. The International Energy Agency's report on geothermal energy in December 2024 recognised the huge potential for geothermal energy and concluded that, if geothermal can follow in the footsteps of innovation success stories such as solar PV, wind, EVs and batteries, it can become a cornerstone of tomorrow's electricity and heat systems as a dispatchable and clean source of energy.
Croatia
In Croatia, there is now significant activity in the geothermal sector, with over 100MW of geothermal power capacity projected to come online in 2028. Confirming its commitment to the sector, the Croatian government is drilling four geothermal exploration wells in 2025. This, along with a clear regulatory framework, has seen the emergence of the Pannonian Basin, in which our licences are located, as a key European geothermal hotspot. Our increased stake in A14 Energy Limited provides us with greater flexibility in our plans to accelerate the development of our Croatian assets and, when appropriate value inflection points have been achieved to introduce other partners. The increased interest does not expose us to material additional costs in the short to medium term due to the existing carry arrangements.
We have fulfilled our exploration obligations on our Ernestinovo licence and have established the exploitation field on the licence. A field development plan is under preparation and we expect to submit this shortly. We have completed the acquisition of magnetotelluric data across our Sjece and Pcelic licences. This data will delineate the reservoir and allow us to update our estimates of reservoir size. All our Croatian licences are in areas where substantial offset data sets are available from previous conventional oil and gas drilling activities. Our technical teams are at an advanced stage of consolidating all existing and new data for each of our three licences. This analysis will allow us to bring the development plans for each licence up to date and will inform our next steps and the optimal sequencing for the licences' commercial development. Preliminary conclusions point to good prospects within our Croatian portfolio, with high temperatures recorded in existing wells comparable with other Croatian geothermal reservoirs.
UK
In the UK, we have been successful in obtaining grant funding to progress our NHS projects. We continue to work in partnership with the Salisbury and Manchester NHS hospital trusts to decarbonise their operations and provide a reliable long-term source of heat. We are also pleased to be working with Bring Energy to explore the further integration of geothermal energy into Southampton's city-centre heat network where we will leverage our geothermal expertise to assess the potential for supplying heat to the existing network as well as exploring the development of a new geothermal supplied heat network to serve the northern part of the city.
The UK has legally binding net zero by 2050 targets, with interim carbon budgets set under the Climate Change Act 2008. Heating accounts for c.37% of all UK emissions and decarbonisation of the public sector is a key element of this. To date, UK government policy of decarbonising heat has had an emphasis on electrification, however, electrification alone is not a sufficient solution given electricity generation capacity is significantly less than will be required, and generating the additional capacity will involve material upgrades to the national grid. The next 12 months will be an important opportunity for the UK Government to demonstrate its commitment towards the decarbonisation of heat and, in particular, geothermal energy as an important tool in achieving its net zero ambitions. Geothermal energy can provide a solution to the UK's heat decarbonisation goals and we are well placed to take advantage of this significant opportunity.
Seismic data acquisition was completed in September 2024 for the Salisbury NHS Foundation Trust project. Processing and interpretation of the data acquired was completed by year end. We are preparing a planning application for submission in 2025.
In Manchester, at the Wythenshawe Hospital project, reprocessing and interpretation of legacy data is complete. Further seismic data will be acquired in Q4 2025, with the survey design largely completed.
As disclosed in note 6, the Stoke-on-Trent geothermal project in its original form is no longer progressing and we have therefore impaired the development costs of £4.3 million. As a result of its cancellation, £2.3 million of the related contingent consideration provision was released in the period.
Financial Review
Our focus for 2024 has been on strengthening our balance sheet, improving the resilience of our oil and gas business in the light of volatile commodity prices and positioning the Group for growth in the geothermal sector. We secured a €25 million debt facility (provided by Kommunalkredit Austria AG (Kommunalkredit)) which, while primarily supporting the development of our geothermal energy business, also enables continued investment in the oil and gas business utilising existing cash flows. We also exchanged contracts for the sale of non-core land and the proceeds of £6.3 million were received in April 2025. We commenced a cost reduction initiative in our G&A costs and forecast material savings for 2025.
Production for the year averaged 1,989 boepd (2023: 2,100 boepd), in line with our production guidance. Brent oil prices remained stable until September when they came under pressure as a result of geopolitical tensions and concerns about demand. The average Brent price was $81/bbl in 2024 compared to $83/bbl in 2023. Sterling strengthened during the year with average GBP/USD rates of £1:$1.28 in 2024 compared to £1:$1.25 in 2023, negatively impacting our revenues which are mainly denominated in USD.
Revenues for the year were £43.7 million compared to £49.5 million in 2023, a reduction of £5.8 million reflecting lower commodity prices, particularly for gas and electricity, foreign exchange movements and lower volumes. The Group generated a net oil price hedging gain of £0.7 million for the year compared to a loss of £0.03 million in 2023. Other cost of sales decreased from £24.1 million in 2023 to £22.3 million in 2024 as reductions from cost savings, lower production and processing fewer third-party barrels more than offset inflationary increases. Underlying operating costs (which exclude third party oil but include costs relating to leases capitalised under IFRS 16) were £32.8 ($42.0) per boe for the year (2023: £32.4 ($40.3) per boe).
Realised Price/Cost Per Barrel |
|
|
| 2024 | 2023 |
| $ | $ |
Realised price per barrel | 77.5 | 79.9 |
Administrative expenses per BOE | 13.3 | 12.0 |
Other operating costs (underlying) | 32.0 | 30.0 |
Well services | 6.8 | 7.2 |
Transportation and storage | 3.2 | 3.1 |
Adjusted EBITDA was £11.1 million (2023: £16.1 million) and the underlying operating profit was £5.9 million (2023: £9.1 million), with the variance resulting primarily from a reduction in revenues.
Adjusted EBITDA | | |
Reconciliation of (loss)/profit before tax to Adjusted EBITDA | ||
| 2024 | 2023 |
| £m | £m |
(Loss)/profit before tax | (4.5) | 2.8 |
Net finance costs | 4.8 | 4.4 |
Depletion, depreciation & amortisation* | 6.5 | 8.3 |
Impairment of development costs | 4.3 | - |
Exploration and evaluation assets impaired | 1.9 | 0.5 |
Goodwill impairment | - | 0.1 |
Changes in fair value of contingent consideration | (2.3) | - |
EBITDA | 10.7 | 16.1 |
Lease rentals capitalised under IFRS 16 | (1.9) | (1.8) |
Other expenses | 2.0 | - |
Share-based payment charge | 0.2 | 0.7 |
Unrealised (gain)/loss on hedges | (0.4) | 0.5 |
Redundancy costs | 0.5 | 0.1 |
Acquisition costs | - | 0.5 |
Adjusted EBITDA | 11.1 | 16.1 |
Related to oil and gas business segment | 15.1 | 19.1 |
Related to Geothermal business segment | (4.0) | (3.0) |
* Includes depreciation charge recorded in administrative expenses
Underlying operating profit | | |
Reconciliation of operating (loss)/profit to underlying operating profit | ||
| 2024 | 2023 |
| £m | £m |
Operating (loss)/profit | (1.9) | 7.2 |
Other expenses | 2.0 | - |
Lease rentals capitalised under IFRS 16 | (1.9) | (1.8) |
Depreciation charge of right-of-use assets | 1.2 | 1.3 |
Share-based payment charge | 0.2 | 0.7 |
Impairment of development costs | 4.3 | - |
Exploration and evaluation assets impaired | 1.9 | 0.5 |
Goodwill impairment | - | 0.1 |
Unrealised (gain)/loss on hedges | (0.4) | 0.5 |
Redundancy costs | 0.5 | 0.1 |
Acquisition costs | - | 0.5 |
Underlying operating profit | 5.9 | 9.1 |
Net Debt | ||
| 31 December 2024 | 31 December 2023 |
| £m | £m |
Debt (nominal value excluding capitalised expenses) | (12.2) | (5.5) |
Cash and cash equivalents (excluding restricted cash) | 4.7 | 3.9 |
Net debt | (7.5) | (1.6) |
Restricted cash was £4.3 million (€5.2 million) which provides cash backing for the performance guarantees issued in relation to geothermal licence commitments in Croatia.
Income Statement
The Group recognised revenues of £43.7 million for the year (2023: £49.5 million). Oil revenue was £42.0 million compared to £44.8 million in 2023, reflecting lower prices and volumes and a stronger USD to GBP exchange rate. The average pre-hedge realised price for the year was $76.9/bbl (2023: $79.0/bbl). Gas revenues reduced to £0.2 million (2023: £ 1.9 million) due to lower gas prices and the permanent shut-in of gas-to-grid production at our Albury site. Electricity revenues declined by £0.6 million, primarily due to lower prices. Revenues relating to the sale of third-party oil also declined from £1.2 million to £0.3 million with the reduction relating mainly to lower volumes being processed in the year.
A gain of £0.7 million was recognised on oil hedges during the year (2023: loss of £0.03 million) with 201,400 bbls of fixed oil price contracts at an average price of $78.6/bbl (2023: 120,000 bbls at an average price of $88.1/bbl).
Cost of sales for the year were £28.8 million (2023: £32.3 million) including DD&A of £6.5 million (2023: £8.2 million), and other costs of sales of £22.3 million (2023: £24.1 million). Other costs of sales decreased by £1.8 million compared to 2023 mainly due to reduction in staff costs, lower workover and maintenance activity following the investment in our fields in 2023 and a reduction in third-party volumes being processed. The DD&A charge has decreased by £1.7 million mainly due to an increase in the proven and probable reserves as at 1 January 2024 as compared to 1 January 2023 and due to lower production volumes in the year.
Adjusted EBITDA in the year was £11.1 million (2023: £16.1 million). The gross profit for the year was £14.9 million (2023: £17.1 million).
Administrative costs remained largely consistent with prior year at £7.4 million (2023: £7.3 million). The increase in costs in the year due to redundancy payments, lower allocation to capital projects and inflationary increases was partially offset by a reduction in legal and professional costs, lower share-based payment charges and savings from cost reduction measures.
Research and non-capitalised development costs were £2.0 million (2023: £2.0 million), of which £1.6 million (2023: £1.6 million) related to our operations in Croatia, primarily for the re-entry and testing of a well on the Ernestinovo licence. These are early-stage costs which do not meet the criteria for capitalisation as development costs under IAS 38 Intangible Assets. The remainder of the costs mainly related to UK geothermal business development costs and expenditure on the NHS Trust geothermal projects, net of any grants received.
An impairment of development costs of £4.3 million (2023: £nil million) was recognised related to the Stoke-on-Trent geothermal project following the decision by SSE to change the focus of the project towards an 'Energy from Waste' project. The majority of the Stoke-on-Trent development costs arose as part of the GT Energy UK Limited acquisition. However, a significant portion of the consideration was based on achieving various milestones on that project and as a result of its cancellation, £2.3 million (2023: £nil million) of this contingent consideration provision was released.
Other expenses of £2.0 million (2023: £nil million) were incurred in the year in connection with preparing our Holybourne Oil Terminal site for sale. We exchanged contracts for the sale of the site in November 2024 with completion in April 2025.
Exploration and evaluation assets impaired of £1.9 million mainly represent costs incurred on PEDL 235 (Godley Bridge) where we decided not to renew that licence (2023: £0.5 million impairment of costs relating to our oil and gas assets where there was no further development prospect and trailing costs on previously impaired unconventional licences).
Net finance costs were £4.8 million (2023: £4.4 million) including interest and fees on borrowings of £1.1 million (2023: £1.2 million) and costs related to the performance guarantees issued in relation to licence commitments in Croatia of £0.4 million (2023: £0.1 million). Finance costs also included the unwinding of the discount on the decommissioning provision of £2.5 million (2023: £2.6 million) and interest charge on lease liabilities of £0.7 million (2023: £0.7 million). Net foreign exchange losses during the year were £0.1 million (2023: gain of £0.2 million) mainly arising from our Croatian operations.
A net tax charge of £8.1 million (2023: £8.3 million) was recognised during the year, mainly due to the reduction in the deferred tax asset relating to tax losses reflecting the decrease in the oil and gas reserves forecast (£6.1 million) and a current tax charge arising as a result of the Energy Profits Levy (£2.0 million).
Cash Flow
Net cash generated from operating activities for the year was £2.3 million (2023: £17.2 million). The reduction was primarily due to the decrease in cash inflows from revenue of £6.6 million, an increase in the cash outflows from operating costs, administrative expenses, including non-recurring legal and professional costs, and research and non-capitalised development costs of £8.6 million, partially offset by reduction in abandonment spend of £0.5 million.
The Group invested £5.7 million across its asset base during the year (2023: £8.5 million) primarily comprising of upgrades and a pipeline replacement at our Gainsborough site, optimisation projects across our portfolio to offset declines, rationalisation and decommissioning at our Holybourne site and general improvements across our fields.
The Group completed the refinancing of its borrowing facility during the year and secured a €25.0 million facility with Kommunalkredit Austria AG. Drawdowns were made primarily to repay the remaining balance under the reserves based lending (RBL) facility with BMO Capital Markets (BMO) of £5.5 million (€ 6.7 million), to provide cash backing for the performance guarantees issued in relation to licence commitments in Croatia of £4.3 million (€5.2 million) and to fund geothermal activity during the year. The amount drawn at the end of the year was £12.2 million (€14.8 million). Net debt at the end of the year was £7.5 million (2023: £1.6 million). In addition, the Group held £4.3 million (€5.2 million) of restricted cash in relation to the Croatian performance bonds.
Facility arrangement and other fees were £0.6 million and we paid loan interest of £0.5 million (2023: £0.8 million).
Balance Sheet
Net assets reduced by £12.3 million to £42.6 million at 31 December 2024 (2023: £54.9 million), primarily due to a reduction in the intangible assets, property, plant and equipment, deferred tax asset and trade and other receivables and an increase in borrowings (net of restricted cash) and corporation tax payable, partially offset by a reduction in provisions and trade and other payables.
Intangible assets reduced by £6.1 million due to the recognition of impairment charges of £4.3 million relating to the Stoke-on-Trent geothermal project and the impairment of exploration costs of £1.9 million primarily relating to the Godley Bridge licence as explained above.
Property, plant and equipment reduced by £3.3 million during the year to £70.7 million. The value of decommissioning assets reduced by £2.8 million as a result of management's reassessment of the decommissioning provision. Capital expenditure incurred in the year was £4.8 million and we recognised a DD&A charge of £5.3 million.
The provision for decommissioning costs decreased by £1.5 million (2023: £0.4 million) mainly as a result of abandonment activity undertaken during the year (£1.1 million), a reassessment of the remaining provision, primarily due to a change in the discount rate (£2.9 million) and the annual unwinding of the discount on the provision (£2.5 million). The provision for contingent consideration reduced by £2.3 million following the cancellation of the Stoke-on-Trent project as explained above.
Trade and other payables reduced by £4.2 million as a result of timing of activity on capital and abandonment projects. In addition, the balance at the end of the previous year included accruals in relation to costs associated with refinancing, well re-entry activity on the Ernestinovo licence in Croatia and a liability related to the award of the Sječe and Pčelić Croatian geothermal exploration licences. No similar balances were included in the accruals and other creditor balance at the end of the current year. Trade and other receivables reduced by £0.7 million mainly due to the decrease in receivables from joint venture partners.
The deferred tax asset reduced by £6.1 million from £37.2 million at 31 December 2023 to £31.1 million at 31 December 2024 mainly due to a change in forecast utilisation of available tax losses.
The Group recognised a current tax liability of £3.1 million at 31 December 2024 relating to the Energy Profits Levy charge for the years ended 2023 and 2024 (2023: £1.1 million).
The derivative asset of £0.4 million (2023: £nil) represents the fair values of the open commodity price hedges provided by counterparties with whom the trades have been entered into.
Going Concern
The Group continues to closely monitor and manage its liquidity. Cash flow forecasts for the Group are prepared on a monthly basis based on, inter alia, the Group's production and expenditure forecasts, management's best estimate of future oil prices and foreign exchange rates and the Group's available loan facility. Sensitivities are run to reflect different scenarios including, but not limited to, possible reductions in commodity prices, fluctuations in exchange rates and reductions in forecast oil production rates.
The current geopolitical climate and the impact of an increase in trade tariffs on the global economy has reduced crude oil prices in the first quarter of 2025, with volatility in oil prices and foreign exchange rates likely to continue whilst countries seek to negotiate trade agreements with the US.
The focus of the Group in 2024 has been to strengthen our balance sheet and improve our resilience to oil price volatility. We have generated strong operating cashflows in 2024 as a result of stable production and a continued effort to minimise operating costs. We have also carried out a reorganisation resulting in a material reduction in general and administrative costs going into 2025. The €25 million finance facility agreed with Kommunakkredit, and the sale of non-core land with the proceeds of £6.3 million being received in April 2025, further improves our liquidity position.
However, the ability of the Group to operate as a going concern is dependent upon the continued availability of future cash flows and the availability of the monies drawn under its loan facility, which is dependent on the Group not breaching the facility's covenants. To mitigate these risks, the Group benefits from its hedging policy with 146,200 barrels hedged for 2025 using swaps at an average price of $75/bbl.
The Group's base case cash flow forecast was run with average oil prices of $65/bbl for the remainder of 2025 and $70/bbl for 2026, foreign exchange rates of an average $1.31/£1 for the remainder of 2025 and $1.28/£1 for 2026. In this base case scenario, our forecasts show that the Group will have sufficient liquidity as well as sufficient financial headroom to meet the applicable financial covenants for the 12 months from the date of approval of the financial statements.
Management has also prepared a "severe but plausible" downside case, which reflects the possible impact of global economic uncertainties resulting in the oil price dropping to $55/bbl in Q2 2025 before recovering to $58/bbl in Q3 and Q4 2025, and to an average of $62/bbl in 2026. In this downside case management has assumed foreign exchange rates of an average $1.33/£1 for the remainder of 2025 and $1.33/£1 for 2026. Our downside case also includes a reduction in production of 5% throughout the going concern period. In the event of a downside scenario, management has the ability to drawdown further under the loan facility as well as to take mitigating actions including delaying capital expenditure and reducing costs, in order to maintain liquidity and to remain within the Group's financial covenants over the remaining facility period, should such actions be necessary. All such mitigating actions are within management's control. In this downside scenario including mitigating actions, our forecast shows that the Group will have sufficient financial liquidity as well as sufficient headroom to meet its financial covenants for the 12 months from the date of approval of the financial statements. Management remain focused on maintaining a strong balance sheet and funding to support our strategy.
Based on the analysis above, the Directors have a reasonable expectation that the Group has adequate resources to continue as a going concern for at least the next twelve months from the date of the approval of the Group financial statements and have concluded it is appropriate to adopt the going concern basis of accounting in the preparation of the financial statements.
Frances Ward
Chief Financial Officer
Non-IFRS Measures
The Group uses non-IFRS measures of performance that are not specifically defined under IFRS or other generally accepted accounting principles. The non-IFRS measures include net debt, adjusted EBITDA and underlying operating profit.
These non-IFRS measures are used by the Group, alongside IFRS measures, for both internal performance analysis and to help shareholders, lenders and other users of the Annual Report to better understand the Group's performance in the period in comparison to previous periods and to industry peers.
Net debt is defined as borrowings excluding capitalised fees less cash and cash equivalents and does not include the Group's lease liabilities or restricted cash.
Adjusted EBITDA and underlying operating profit includes adjustments in relation to non-cash items such as share-based payment charges and unrealised gain/ loss on hedges.
Lease costs for the period which have been capitalised under IFRS 16 have been added to underlying operating costs and deducted in the calculation of adjusted EBITDA.
CONSOLIDATED INCOME STATEMENT
FOR THE YEAR ENDED 31 DECEMBER 2024
| Note | Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
Revenue | 2 | 43,651 | 49,466 |
Cost of sales: | |
| |
Depletion, depreciation and amortisation | | (6,472) | (8,241) |
Other costs of sales | | (22,318) | (24,135) |
| | (28,790) | (32,376) |
Gross profit | | 14,861 | 17,090 |
Administrative expenses | | (7,422) | (7,290) |
Research and non-capitalised development costs | | (1,973) | (2,002) |
Exploration and evaluation assets impaired | 6 | (1,854) | (456) |
Impairment of development costs | 6 | (4,259) | - |
Impairment of goodwill | 6 | - | (130) |
Gain/(loss) on derivative financial instruments | | 737 | (25) |
Other expense | | (2,000) | - |
Other income | | 3 | 8 |
Operating (loss)/profit | | (1,907) | 7,195 |
| |
| |
Finance costs | 3 | (4,805) | (4,426) |
Change in fair value of contingent consideration | 10 | 2,251 | - |
(Loss)/profit before tax | | (4,461) | 2,769 |
Income tax | 4 | (8,133) | (8,260) |
Loss after tax
| | (12,594) | (5,491) |
Attributable to: | |
| |
Owners of the Parent Company | | (11,295) | (4,493) |
Non-controlling interest | | (1,299) | (998) |
| | (12,594) | (5,491) |
Loss per share attributable to equity shareholders: | |
| |
Basic loss per share | 5 | (8.74p) | (3.52p) |
Diluted loss per share | 5 | (8.74p) | (3.52p) |
CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME
FOR THE YEAR ENDED 31 DECEMBER 2024
|
| Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
Loss for the year |
| (12,594) | (5,491) |
Other comprehensive income for the year: | |
| |
Items that may be reclassified subsequently to profit or loss: | |
| |
Foreign exchange differences on translation of foreign operations | | 117 | 19 |
Total comprehensive loss for the year |
| (12,477) | (5,472) |
Total comprehensive loss attributable to: |
|
| |
Owners of the Parent Company |
| (11,181) | (4,477) |
Non-controlling interest |
| (1,296) | (995) |
|
| (12,477) | (5,472) |
CONSOLIDATED BALANCE SHEET
AS AT 31 DECEMBER 2024
| Note | 31 December 2024 £000 | 31 December 2023 £000 |
ASSETS | | | |
Non-current assets | | | |
Intangible assets | 6 | 7,736 | 13,823 |
Property, plant and equipment | 7 | 70,657 | 73,994 |
Right-of-use assets | | 7,253 | 7,426 |
Restricted cash | 8 | 4,282 | - |
Deferred tax asset | 4 | 31,054 | 37,192 |
| | 120,982 | 132,435 |
Current assets | |
| |
Inventories | | 1,497 | 1,522 |
Trade and other receivables | | 6,381 | 7,067 |
Cash and cash equivalents | 8 | 4,708 | 3,855 |
Restricted cash | 8 | - | 410 |
Derivative financial instruments | | 398 | - |
| | 12,984 | 12,854 |
Total assets | | 133,966 | 145,289 |
LIABILITIES | |
| |
Current liabilities | |
| |
Trade and other payables | | (6,731) | (10,971) |
Corporation tax payable | 4 | (3,073) | (1,099) |
Borrowings | 9 | (6,488) | (5,358) |
Lease liabilities | | (1,145) | (865) |
Provisions | 10 | (1,335) | (2,236) |
| | (18,772) | (20,529) |
Non-current liabilities | |
| |
Borrowings | 9 | (5,246) | - |
Other payables | | (440) | - |
Lease liabilities | | (6,830) | (6,981) |
Provisions | 10 | (60,035) | (62,906) |
| | (72,551) | (69,887) |
Total liabilities | | (91,323) | (90,416) |
Net assets | | 42,643 | 54,873 |
EQUITY | |
| |
Capital and reserves | |
| |
Called up share capital | | 30,334 | 30,334 |
Share premium account | | 103,248 | 103,189 |
Foreign currency translation reserve | | 3,929 | 3,815 |
Other reserves | | 38,512 | 38,324 |
Accumulated deficit | | (132,331) | (121,036) |
Equity attributable to owners of the Company | | 43,692 | 54,626 |
Non-controlling interest | | (1,049) | 247 |
Total equity | | 42,643 | 54,873 |
These financial statements were approved and authorised for issue by the Board on 29 April 2025 and are signed on its behalf by:
Ross Glover Frances Ward
Chief Executive Officer Chief Financial Officer
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY
FOR THE YEAR ENDED 31 DECEMBER 2024
| Called up share capital £000 | Share premium account £000 | Foreign currency translation reserve* £000 | Other reserves** £000 | Accumulated deficit £000 | Equity attributable to owners of the Company £000 | Non-controlling Interest £000 | Total equity £000 |
At 1 January 2023 | 30,334 | 103,068 | 3,799 | 37,617 | (116,543) | 58,275 | - | 58,275 |
Loss for the year | - | - | - | - | (4,493) | (4,493) | (998) | (5,491) |
Acquisition of subsidiary with non-controlling interest | - | - | - | - | - | - | 1,242 | 1,242 |
Share options issued under the employee share plan | - | - | - | 707 | - | 707 | - | 707 |
Issue of shares | - | 121 | - | - | - | 121 | - | 121 |
Currency translation adjustments | - | - | 16 | - | - | 16 | 3 | 19 |
At 31 December 2023 | 30,334 | 103,189 | 3,815 | 38,324 | (121,036) | 54,626 | 247 | 54,873 |
Loss for the year | - | - | - | - | (11,295) | (11,295) | (1,299) | (12,594) |
Share options issued under the employee share plan | - | - | - | 188 | - | 188 | - | 188 |
Issue of shares | - | 59 | - | - | - | 59 | - | 59 |
Currency translation adjustments | - | - | 114 | - | - | 114 | 3 | 117 |
At 31 December 2024 | 30,334 | 103,248 | 3,929 | 38,512 | (132,331) | 43,692 | (1,049) | 42,643 |
* The foreign currency translation reserve includes an amount of £3,799 thousand (2023: £3,799 thousand) relating to exchange gains and losses on translation of net assets and results, and intercompany balances, which formed part of the net investment of the Group, in respect of subsidiaries which previously operated with a functional currency other than UK pound sterling.
** Other reserves include: 1) Share plan reserves comprising a EIP/MRP/EDRP reserve representing the cost of share options issued under the long term incentive plans and share incentive plan reserve representing the cost of the partnership and matching shares; 2) a treasury shares reserve which represents the cost of shares in Star Energy Group plc purchased in the market to satisfy awards held under the Group incentive plans; 3) a capital contribution reserve which arose following the acquisition of IGas Exploration UK Limited; and 4) a merger reserve which arose on the reverse acquisition of Island Gas Limited.
CONSOLIDATED CASH FLOW STATEMENT
FOR THE YEAR ENDED 31 DECEMBER 2024
| Note | Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
Cash flows from operating activities: | |
| |
(Loss)/profit before tax | | (4,461) | 2,769 |
Depletion, depreciation and amortisation | | 6,517 | 8,291 |
Abandonment costs/other provisions utilised or released | | (1,672) | (2,186) |
Share-based payment charge | | 195 | 633 |
Exploration and evaluation assets impaired | 6 | 1,854 | 456 |
Impairment of development costs | 6 | 4,259 | - |
Impairment of goodwill | 6 | - | 130 |
Change in fair value of contingent consideration | 10 | (2,251) | - |
Unrealised (gain)/loss on oil price derivatives | | (398) | 525 |
Gain on sale of fixed assets | | (3) | (8) |
Finance costs | 3 | 4,805 | 4,426 |
Operating cash flows before working capital movements | | 8,845 | 15,036 |
(Increase)/decrease in trade and other receivables and other financial assets | | (1,397) ) | 1,482 |
(Decrease)/increase in trade and other payables | | (1,334) | 553 |
(Increase) in restricted cash | | (3,872) | - |
Decrease in inventories | | 25 | 145 |
Net cash generated from operating activities | | 2,267 | 17,216 |
Cash flows from investing activities: | |
| |
Purchase of intangible exploration and evaluation assets | | (67) | (343) |
Purchase of property, plant and equipment | | (5,579) | (7,547) |
Purchase of intangible development assets | | (30) | (619) |
Acquisition of subsidiary, net of cash acquired | | - | (1,282) |
Proceeds from disposal of property, plant and equipment | | 3 | 152 |
Net cash used in investing activities | | (5,673) | (9,639) |
|
|
| |
Cash flows from financing activities: | |
| |
Cash proceeds from issue of ordinary share capital | | 28 | 42 |
Drawdown on finance facility | 8 | 12,530 | - |
Repayment of Reserves Based Lending facility | 8 | (5,541) | (3,284) |
Transaction costs related to loan refinancing | 8 | (610) | - |
Repayment of principal portion of lease liabilities | | (887) | (1,255) |
Repayment of interest on lease liabilities | | (709) | (727) |
Interest paid | 8 | (493) | (1,360) |
Net cash generated from/(used in) financing activities | | 4,318 | (6,584) |
Net increase in cash and cash equivalents in the year |
| 912 | 993 |
Net foreign exchange differences | 8 | (59) | (230) |
Cash and cash equivalents at the beginning of the year |
| 3,855 | 3,092 |
Cash and cash equivalents at the end of the year | 8 | 4,708 | 3,855 |
CONSOLIDATED FINANCIAL STATEMENTS - NOTES
FOR THE YEAR ENDED 31 DECEMBER 2024
1 Material accounting policies
(a) Basis of preparation of financial statements
Whilst the financial information in this preliminary announcement has been prepared in accordance with international accounting standards (IFRS) in conformity with the requirements of the Companies Act 2006 ("the "Standards"), this announcement does not contain sufficient information to comply with the Standards. The Group will publish full financial statements that comply with the Standards in May 2025.
The financial information for the year ended 31 December 2024 does not constitute statutory financial statements as defined in sections 435 (1) and (2) of the Companies Act 2006. Statutory financial statements for the year ended 31 December 2023 have been delivered to the Registrar of Companies and those for 2024 will be delivered following the Company's annual general meeting. The auditor has reported on the 2024 financial statements and their report was unqualified. The report did not contain a statement under section 498 (2) or (3) of the Companies Act 2006.
The accounting policies applied are consistent with those adopted and disclosed in the Group's financial statements for the year ended 31 December 2023. There have been certain amendments to accounting standards issued by the International Accounting Standards Board which were applicable from 1 January 2024. These did not have a material impact on the accounting policies, methods of computation or presentation applied by the Group.
There are also new accounting standards and certain amendments to existing accounting standards issued by the International Accounting Standards Board which will be applicable from either 1 January 2025 or from periods subsequent to that date. These have not been adopted early and are not expected to have a material impact on the accounting policies, methods of computation or presentation applied by the Group other than IFRS 18 Presentation and Disclosure in Financial Statements which was issued on 9 April 2024, effective for periods beginning on or after 1 January 2027. We are in the process of assessing the impact of this standard on our future financial statements.
Further details on new International Financial Reporting Standards adopted and yet to be adopted will be disclosed in the 2024 Annual Report and Financial Statements.
Star Energy Group plc is a public limited company incorporated and registered in England and Wales and is listed on the Alternative Investment Market ("AIM"). The Group's principal activities are exploring for, appraising, developing and producing oil and gas and developing geothermal projects.
The financial information is presented in UK pounds sterling and all values are rounded to the nearest thousand (£000) except when otherwise indicated.
Prior year numbers have been reclassified, where necessary, to conform to the current year presentation.
(b) Going concern
The Group continues to closely monitor and manage its liquidity. Cash flow forecasts for the Group are prepared on a monthly basis based on, inter alia, the Group's production and expenditure forecasts, management's best estimate of future oil prices and foreign exchange rates and the Group's available loan facility. Sensitivities are run to reflect different scenarios including, but not limited to, possible reductions in commodity prices, fluctuations in exchange rates and reductions in forecast oil production rates.
The current geopolitical climate and the impact of an increase in trade tariffs on the global economy has reduced crude oil prices in the first quarter of 2025, with volatility in oil prices and foreign exchange rates likely to continue whilst countries seek to negotiate trade agreements with the US.
The focus of the Group in 2024 has been to strengthen our balance sheet and improve our resilience to oil price volatility. We have generated strong operating cashflows in 2024 as a result of stable production and a continued effort to minimise operating costs. We have also carried out a reorganisation resulting in a material reduction in general and administrative costs going into 2025. The €25 million finance facility agreed with Kommunakkredit, and the sale of non-core land with the proceeds of £6.3 million being received in April 2025, further improves our liquidity position.
However, the ability of the Group to operate as a going concern is dependent upon the continued availability of future cash flows and the availability of the monies drawn under its loan facility, which is dependent on the Group not breaching the facility's covenants. To mitigate these risks, the Group benefits from its hedging policy with 146,200 barrels hedged for 2025 using swaps at an average price of $75/bbl.
The Group's base case cash flow forecast was run with average oil prices of $65/bbl for the remainder of 2025 and $70/bbl for 2026, foreign exchange rates of an average $1.31/£1 for the remainder of 2025 and $1.28/£1 for 2026. In this base case scenario, our forecasts show that the Group will have sufficient liquidity as well as sufficient financial headroom to meet the applicable financial covenants for the 12 months from the date of approval of the financial statements.
Management has also prepared a "severe but plausible" downside case, which reflects the possible impact of global economic uncertainties resulting in the oil price dropping to $55/bbl in Q2 2025 before recovering to $58/bbl in Q3 and Q4 2025, and to an average of $62/bbl in 2026. In this downside case management has assumed foreign exchange rates of an average $1.33/£1 for the remainder of 2025 and $1.33/£1 for 2026. Our downside case also includes a reduction in production of 5% throughout the going concern period. In the event of a downside scenario, management has the ability to drawdown further under the loan facility as well as to take mitigating actions including delaying capital expenditure and reducing costs, in order to maintain liquidity and to remain within the Group's financial covenants over the remaining facility period, should such actions be necessary. All such mitigating actions are within management's control. In this downside scenario including mitigating actions, our forecast shows that the Group will have sufficient financial liquidity as well as sufficient headroom to meet its financial covenants for the 12 months from the date of approval of the financial statements. Management remain focused on maintaining a strong balance sheet and funding to support our strategy.
Based on the analysis above, the Directors have a reasonable expectation that the Group has adequate resources to continue as a going concern for at least the next twelve months from the date of the approval of the Group financial statements and have concluded it is appropriate to adopt the going concern basis of accounting in the preparation of the financial statements.
2 Revenue
The Group derives revenue solely within the United Kingdom from the transfer of control over the goods and services to external customers, which is recognised at a point in time when the performance obligation has been satisfied by the transfer of goods. The Group's major product lines are:
| Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
Oil sales | 42,794 | 46,448 |
Electricity sales | 550 | 1,162 |
Gas sales | 249 | 1,856 |
Other | 58 | - |
| 43,651 | 49,466 |
Revenues of approximately £21.6 million and £21.2 million were derived from the Group's two largest customers (2023: £23.6 million and £22.8 million) and are attributed to the oil sales.
As at 31 December 2024, there are no contract assets or contract liabilities outstanding (2023: nil).
3 Finance costs | Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
Interest on borrowings | (817) | (885) |
Amortisation of finance fees on borrowings | (226) | (268) |
Net foreign exchange (loss)/gain | (84) | 153 |
Unwinding of discount on decommissioning provision (note 10) | (2,537) | (2,596) |
Interest charge on lease liability | (709) | (727) |
Other interest payable | (432) | (103) |
| (4,805) | (4,426) |
4 Income tax
(i) Tax charge on (loss)/profit from continuing ordinary activities | Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
Current tax: |
| |
Charge for the year | 2,110 | 1,099 |
Adjustments in respect of prior periods | (136) | - |
Total current tax charge | 1,974 | 1,099 |
Deferred tax: |
| |
Charge relating to the origination or reversal of temporary differences | 6,570 | 8,611 |
Credit due to tax rate changes | (1,070) | - |
Charge/(credit) in relation to prior years | 659 | (1,450) |
Total deferred tax charge | 6,159 | 7,161 |
Total income tax charge | 8,133 | 8,260 |
ii) Factors affecting the tax charge
The majority of the Group's profits are generated by "ring-fence" businesses which attract UK corporation tax and supplementary charges at a combined average rate of 40% (2023: 40%), in addition to the Energy Profit Levy (EPL) introduced in May 2022 with an average rate of 36% for the year (2023: 35%).
A reconciliation of the UK statutory corporation tax rate (applicable to oil and gas companies) applied to the Group's (loss)/profit before tax to the Group's total tax charge is as follows:
| Year ended 31 December 2024 £000 | Year ended 31 December 2023 £000 |
(Loss)/profit before tax | (4,461) | 2,769 |
Expected tax charge/(credit) based on (loss)/profit multiplied by an average combined rate of corporation tax and supplementary charge and Energy Profit Levy in the UK of 76% (2023: 75%) | (3,368) | 2,077 |
Tax charge/(credit) in respect of prior years | 523 | (1,450) |
Expenses not allowable for tax purposes | 469 | 1,502 |
Differences in amounts not allowable for supplementary charge purposes* | 99 | (29) |
Impact of profits or losses taxed or relieved at different rates | 3,484 | 1,218 |
Net increase in unrecognised losses carried forward | 7,808 | 5,178 |
Net increase/(decrease) in unrecognised temporary taxable differences | 188 | (236) |
Tax rate change | (1,070) | - |
Tax charge on (loss)/profit | 8,133 | 8,260 |
* Amounts not allowable for supplementary charge purposes relate to net financing costs disallowed for supplementary charge offset by investment allowance, which is deductible against profits subject to supplementary charge.
iii) Deferred tax
The movement on the deferred tax asset in the year is shown below:
| 2024 £000 |
2023 £000 |
Asset at 1 January | 37,192 | 44,813 |
Tax (charge)/credit relating to prior year | (659) | 1,450 |
Tax charge during the year | (6,570) | (8,611) |
Tax credit arising due to the changes in tax rates | 1,070 | - |
Deferred tax arising from business combination | - | (454) |
Exchange differences | 21 | (6) |
Asset at 31 December | 31,054 | 37,192 |
The following is an analysis of the deferred tax asset by category of temporary difference:
| 31 December 2024 £000 | 31 December 2023 £000 |
Accelerated capital allowances | (24,439) | (25,321) |
Tax losses carried forward | 34,924 | 44,388 |
Investment allowance unutilised | 2,311 | 2,051 |
Decommissioning provision | 18,104 | 15,737 |
Unrealised gains or losses on derivative contracts | (310) | - |
Share-based payments | 42 | 68 |
Right-of-use asset and liability | 422 | 269 |
Deferred tax asset | 31,054 | 37,192 |
iv) Corporation tax payable
The movement on the Corporation tax payable in the year is shown below:
| 2024 £000 |
2023 £000 |
Payable at 1 January | (1,099) | - |
Tax charge during the year | (2,110) | (1,099) |
Adjustment in respect of prior periods | 136 | - |
Payable at 31 December | 3,073 | (1,099) |
v) Tax losses
The Group has gross total tax losses and similar attributes carried forward of £367.8 million (2023: £362.1 million). Deferred tax assets have been recognised in respect of tax losses and other temporary differences where the Directors believe it is probable that these assets will be recovered based on a five-year profit forecast or to the extent that there is offsetting deferred tax liabilities. Such recognised tax losses include £85.0 million (2023: £109.5 million) of ringfence corporation tax losses which will be recovered at 30% of future taxable profits, £70.2 million (2023: £92.6 million) of supplementary charge tax losses which will be recovered at 10% of future taxable profits and £4.1 million (2023: £4.3 million) of losses arising under the EPL regime which will be recovered at 38% of future taxable profits.
vi) Changes in legislation
In October 2024, the UK Government announced the following changes to the EPL regime:
· An increase in the EPL rate from 35 per cent to 38 per cent
· Removal of the main EPL investment allowance of 29%
· An extension of the EPL regime to 31 March 2030.
The rate increase and the investment allowance removal were substantively enacted at the balance sheet date and took effect from 1 November 2024. These changes resulted in an increase in the tax charge of £0.3 million. The EPL extension to 31 March 2030 was substantively enacted on 3 March 2025 and is therefore not reflected in the financial statements as at 31 December 2024. This impact will be included in the financial statements for the following period. Had the extension been enacted at the balance sheet date, an additional deferred tax charge of £2.7 million would have been recognised in the current financial statements.
5 Earnings per share (EPS)
Basic EPS amounts are based on the loss for the year after taxation attributable to the ordinary equity holders of the Parent Company of £11.3 million (2023: £4.5 million) and the weighted average number of ordinary shares outstanding during the year of 129.3 million (2023: 127.7 million).
Diluted EPS amounts are based on the loss for the year after taxation attributable to the ordinary equity holders of the Parent Company and the weighted average number of ordinary shares outstanding during the year plus the weighted average number of ordinary shares that would be issued on the conversion of all the potentially dilutive ordinary shares into ordinary shares, except where these are anti-dilutive.
As at 31 December 2024, there are 6.0 million potentially dilutive share options (31 December 2023: 7.5 million potentially dilutive share options) which were not included in the calculation of diluted earnings per share as their conversion to ordinary shares would have decreased the loss per share.
The following reflects the income and share data used in the basic and diluted earnings per share:
| Year ended 31 December 2024
| Year ended 31 December 2023
|
Basic loss per share - ordinary shares of 0.002 pence each | (8.74p) | (3.52p) |
Diluted loss per share - ordinary shares of 0.002 pence each | (8.74p) | (3.52p) |
Loss for the year attributable to equity holders of the Parent Company - £000 | (11,295) | (4,493) |
Weighted average number of ordinary shares in the year- basic EPS | 129,275,299 | 127,671,520 |
Weighted average number of ordinary shares in the year- diluted EPS | 129,275,299 | 127,671,520 |
6 Intangible assets
|
| 2024 | | | 2023 | |||||
| Exploration and evaluation assets £'000 | Goodwill £'000 | Development costs £'000 | Total £'000 | | Exploration and evaluation assets £'000 | Goodwill £'000 | Development costs £'000 | Total £'000 | |
At 1 January |
5,655 |
1,196 |
6,972 |
13,823 | |
5,558 |
- |
3,710 |
9,268 | |
Additions |
176 |
- |
30 |
206 | |
553 |
- |
705 |
1,258 | |
Amounts recognised on acquisition of a subsidiary |
- |
- |
- |
- | |
- |
1,311 |
2,529 |
3,840 | |
Exchange differences |
- |
(55) |
(117) |
(172) | |
- |
15 |
28 |
43 | |
Transfer to property, plant and equipment |
(8) |
- |
- |
(8) | |
- |
- |
- |
- | |
Impairment |
(1,854) |
- |
(4,259) |
(6,113) | |
(456) |
(130)* |
- |
(586) | |
At 31 December |
3,969 |
1,141 |
2,626 |
7,736 |
|
5,655 |
1,196 |
6,972 |
13,823 | |
Exploration and evaluation assets
Exploration costs impaired in the financial year to 31 December 2024 were £1.9 million (2023: £0.5 million) which were substantially all related to the capitalised exploration costs at PEDL 235, where the Board decided not to renew our exploration licence given the potential challenges with obtaining relevant planning and regulatory approvals.
The 2023 exploration costs impaired included £0.3 million of early-stage projects relating to our conventional assets where it was assessed that there was no further development prospect and £0.2 million related to trailing costs on previously impaired unconventional licences.
The remaining £4.0 million (2023: £5.7 million) of capitalised exploration expenditure relates to our conventional assets including PL 240. Management has assessed the remaining capitalised exploration expenditure for indications of impairment under IFRS 6 Exploration for and Evaluation of Mineral Resources and did not identify any factors indicating a need to perform detailed impairment testing.
Goodwill
The carrying value of goodwill relates to the acquisition of an interest in A14 Energy Limited during 2023. The Group has identified four Cash Generating Units (CGUs) within our geothermal business, whereby technical, economic and/or contractual features create underlying interdependence in the cash flows. These CGUs correspond to the three Croatian geothermal licences (Ernestinovo, Sječe and Pčelić) and the UK geothermal business. The carrying amount of goodwill has been allocated to the following CGUs:
| 31 December 2024 £000 | 31 December 2023 £000 |
Sječe licence | 352 | 369 |
Pčelić licence | 351 | 368 |
Ernestinovo licence | 438 | 459 |
| 1,141 | 1,196 |
* During the previous year, goodwill of £0.1 million allocated to the Leščan CGU was fully impaired since the related licence was not awarded to the Group. No goodwill has been allocated to the UK geothermal business CGU.
The Group reviewed the carrying value of the Sječe licence and Pčelić licence CGUs at 31 December 2024 and assessed them for impairment. The recoverable amount for these CGUs was based on their fair value less costs of disposal which was calculated using key assumptions in relation to electricity generation volumes, future electricity prices, project capital expenditure and discount rate. The recoverable amount was higher than the carrying values of these CGUs, hence no impairment charge was recognised against allocated goodwill during the year.
The Group also reviewed the carrying value of the Ernestinovo licence CGU (which includes the related goodwill) at 31 December 2024, as further detailed below, with no impairment charge being recognised against goodwill allocated to this CGU in the year (2023: £nil).
Development costs
Development costs relate to assets acquired as part of the GT Energy acquisition in 2020, and assets acquired relating to the Ernestinovo licence as part of the A14 Energy acquisition in 2023.
The carrying amount of development costs is split between CGUs as follows:
| 31 December 2024 £000 | 31 December 2023 £000 |
UK Geothermal business | 186 | 4,415 |
Ernestinovo licence | 2,440 | 2,557 |
| 2,626 | 6,972 |
Development costs relating to UK Geothermal business
The costs allocated to this CGU primarily related to the design and development of deep geothermal heat projects in the United Kingdom, with the principal project being at Etruria Valley, Stoke-on-Trent.
At 30 June 2024 the Group reviewed the carrying value of the development costs and assessed it for impairment. Following the launching of the Green Heat Network Fund (GHNF) by the UK government in March 2022, it had been the intention that 50% of the project's total combined commercialisation and construction costs would be funded through a grant from the fund. A grant funding request was jointly submitted by GT Energy and SSE in the second half of 2022, with SSE as lead applicant. Following an extended due diligence process (with technical and commercial aspects of the project being signed off by a third-party consultant in 2023), in 2024, SSE submitted a project change request seeking to amend the capital grant and timetable. Further amendments saw the project change its focus to being fed by a proposed new 'Energy from Waste' facility. This meant that the project could not progress in its intended form. Therefore, the decision was taken at 30 June 2024 to fully impair the capitalised amounts relating to the Stoke project, resulting in an impairment charge of £4.3 million (2023: £nil).
Development costs relating to Ernestinovo licence
The development costs associated with Ernestinovo licence relate to the fair value of assets acquired as part of the A14 Energy acquisition made in 2023. The costs relate to the value of the licence award and work performed up to the acquisition date in progressing with the re-entry of an existing well on the licence.
The Group reviewed the carrying value of the Ernestinovo licence CGU as at 31 December 2024 and assessed it for impairment. The recoverable amount for the CGU was based on its fair value less costs of disposal which was calculated using key assumptions in relation to electricity generation volumes, future electricity prices, project capital expenditure and discount rate. The recoverable amount calculated above was higher than the carrying value of the CGU, hence no impairment charge was recognised against capitalised development cost or allocated goodwill during the year (2023: £nil).
7 Property, plant and equipment
| | 2024 | | | 2023 | ||||
| | Oil and gas assets £'000 | Other property, plant and equipment £'000 | Total £'000 | | | Oil and gas assets £'000 | Other property, plant and equipment £'000 | Total £'000 |
Cost |
| | | | | | | | |
At 1 January | | 226,888 | 1,734 | 228,622 | | | 220,301 | 2,046 | 222,347 |
Additions | | 4,812 | - | 4,812 | | | 6,920 | 27 | 6,947 |
Transfer from exploration and evaluation assets | | 8 | - | 8 | | | - | - | - |
Disposals/write-offs | | - | (25) | (25) | | | - | (339) | (339) |
Changes in decommissioning* | | (2,829) | - | (2,829) | | | (333) | - | (333) |
At 31 December |
| 228,879 | 1,709 | 230,588 |
|
| 226,888 | 1,734 | 228,622 |
Accumulated Depreciation, Depletion and Impairment |
|
|
|
| | | | | |
At 1 January | | 154,004 | 624 | 154,628 | | | 147,022 | 594 | 147,616 |
Charge for the year | | 5,293 | 35 | 5,328 | | | 6,982 | 30 | 7,012 |
Disposals/write-offs | | - | (25) | (25) | | | - | - | - |
At 31 December |
| 159,297 | 634 | 159,931 |
|
| 154,004 | 624 | 154,628 |
NBV at 31 December |
| 69,582 | 1,075 | 70,657 |
|
| 72,884 | 1,110 | 73,994 |
\* The decommissioning asset reduced in line with the decommissioning liability following a review of the estimate at 31 December 2024 (note 10).
Capital expenditure incurred during the year mostly related to upgrades at various sites and a number of projects carried out to generate near-time production and to offset field declines by upgrading existing facilities and systems and optimising production at a number of sites.
Impairment of oil and gas assets
Year ended 31 December 2024
Cash Generating Units (CGUs) for impairment purposes are the group of fields whereby technical, economic and/or contractual features create underlying interdependence in the cash flows. The Group has identified the three main producing CGUs as: North, South, and Scotland. At each balance sheet date, the Group assesses its CGUs for impairment whenever events or changes in circumstances indicate that the carrying amount of the CGU may not be recoverable. If any such indication exists, the Group makes an estimate of the asset's recoverable amount. An impairment assessment was performed for all three CGUs at the balance sheet date as a result of the identification of impairment indicators, mainly a downward revision in the reserve estimates and changes to the Energy Profits Levy regime in the year. An impairment indicator was noted for the Scotland CGU given the delay in the finalisation of the potential sale of the underlying site.
The recoverable amounts of the North and South CGUs have been estimated by assessing the fair value less costs of disposal using a discounted cash flow methodology. The recoverable amount of the Scotland CGU has been estimated by assessing the fair value less costs of disposal with respect to a potential sale of the site.
The future cash flows in the discounted cash flow models for the North and South CGUs were estimated using the following key assumptions:
· Group's estimate of proved plus probable reserves at the balance sheet date
· Oil price (Brent): $75-$70/bbl for the years 2025-2029 and $75/bbl thereafter
· USD/GBP foreign exchange rate: Range of $1.25:£1.00 - $1.30:£1.00
· Post-tax discount rate: 9.9%
Outcome of impairment reviews:
The 31 December 2024 impairment assessment resulted in a recoverable amount greater than the carrying amount by £5.8 million in the South CGU (recoverable amount of £35.1 million) and £1.9 million in the North CGU (recoverable amount of £33.1 million). At the Scotland CGU, no impairment charge was recognised, with the recoverable amount of £0.5 million assessed to approximate the carrying value of the CGU (which includes the carrying value of the associated decommissioning liability).
Sensitivity of changes in assumption:
The principal assumptions in the discounted cashflow methodology are future production, estimated Brent prices, the USD/GBP long-term foreign exchange rate, and the discount rate. The impact on the recoverable amount that would result from changes to the key assumptions at 31 December 2024 are shown below:
CGU | 10% reduction in price | 10% reduction in production | Increase in USD/GBP long-term foreign exchange rate to $1.35 | Increase in discount rate by 1% |
| £m | £m | £m | £m |
| | | | |
North | (8.82) | (8.87) | (2.46) | (1.72) |
South | (8.32) | (9.94) | (2.75) | (1.91) |
The sensitivity analysis above does not take into account any mitigating actions available to management should these changes occur, such as implementing cost savings and other process efficiencies.
No impairment charge has been recognised for the North, South or Scotland CGUs.
Year ended 31 December 2023
At 31 December 2023, an impairment assessment was performed for the North, South and Scotland CGUs as a result of identification of impairment indicators. The recoverable amounts of the North and South CGUs were estimated by assessing the fair value less costs of disposal using a discounted cash flow methodology. The recoverable amount of the Scotland CGU was estimated by assessing the fair value less costs of disposal with respect to a potential sale of the site.
The future cash flows in the discounted cash flow models for the North and South CGUs were estimated using the following key assumptions:
· Group's estimate of proved plus probable reserves at the balance sheet date
· Oil price (Brent): $78-$70/bbl for the years 2024-2028 and $65/bbl thereafter
· USD/GBP foreign exchange rate: Range of $1.27:£1.00 - $1.30:£1.00
· Post-tax discount rate: 9.5%
Outcome of impairment reviews:
The 31 December 2023 impairment assessment resulted in a recoverable amount greater than the carrying amount by £16.9 million in the South CGU (recoverable amount of £45.5 million) and £6.3 million in the North CGU (recoverable amount of £38.2 million). Despite historic impairments remaining un-reversed in the North CGU, no impairment reversal was recorded at the North CGU as reasonable downside cases indicated that an impairment could be required if certain plausible sensitivities were applied. Therefore, the factors that led to the initial impairment were assessed to have not fully reversed and management did not consider it appropriate to reverse a portion of the past impairment. At the Scotland CGU, no impairment charge was recognised, with the recoverable amount of £0.5 million assessed to approximate the carrying value of the CGU (which included the carrying value of the associated decommissioning liability).
8 Cash and cash equivalents
| 31 December 2024 £000 | 31 December 2023 £000 |
Cash at bank and in hand | 4,708 | 3,855 |
Cash and cash equivalents do not include restricted cash.
Restricted cash
| 31 December 2024 £000 | 31 December 2023 £000 |
Current | - | 410 |
Non-current | 4,282 | - |
Restricted cash represents amounts held in a deposit account with a commercial bank as a collateral in support of performance guarantees issued by Tokio Marine Europe S.A. (an insurance company) for licence commitments relating to the Sječe and Pčelić, exploration licences. The deposit is subject to restrictions during the tenure of the related performance guarantees and hence not available for general use of the Group.
The previous year amount related to restoration deposits paid to Nottinghamshire County Council, which served as collateral for the restoration of drilling sites at the end of their life. This amount was collected in full during the year.
Net debt reconciliation
| 31 December 2024 £000 | 31 December 2023 £000 |
Cash and cash equivalents | 4,708 | 3,855 |
Borrowings - including capitalised fees | (11,734) | (5,358) |
Net debt | (7,026) | (1,503) |
Capitalised fees | (503) | (133) |
Net debt excluding capitalised fees | (7,529) | (1,636) |
| 2024 | 2023 | ||||
| Cash and cash equivalents | Borrowings | Total | Cash and cash equivalents | Borrowings | Total |
| £000 | £000 | £000 | £000 | £000 | £000 |
Net debt as at 1 January | 3,855 | (5,358) | (1,503) | 3,092 | (8,743) | (5,651) |
Interest paid on borrowings | (479) | - | (479) | (809) | - | (809) |
Other Interest paid | (14) 12 | - | (14) | (575) | - | (575) |
Drawdown on finance facility (note 9) | 12,530 | (12,530) | - | - | - | - |
Repayment of RBL (note 9) | (5,541) | 5,541 | - | (3,284) | 3,284 | - |
Foreign exchange adjustments | (59) | 229 | 170 | (230) | 369 | 139 |
Capitalised transaction costs | (610) | 610 | - | - | - | - |
Cash backing of performance guarantees | (4,282) | - | (4,282) | - | - | - |
Other cash flows | (692) | - | (692) | 5,661 | - | 5,661 |
Other non-cash movements | - | (226) | (226) | - | (268) | (268) |
Net debt as at 31 December | 4,708 | (11,734) | (7,026) | 3,855 | (5,358) | (1,503) |
9 Borrowings
| 31 December 2024 £000 | 31 December 2023 £000 |
Reserve-Based Lending Facility (RBL) - secured (current) | - | (5,358) |
Finance facility - secured (current) | (6,488) | - |
Finance facility - secured (non-current) | (5,246) | - |
| (11,734) | (5,358) |
The carrying amounts of each of the Group's financial liabilities included within borrowings are considered to be a reasonable approximation of their fair value.
During the year, on 9 April 2024, the Group secured a €25.0 million finance facility with Kommunalkredit Austria AG (Kommunalkredit). The facility comprises of a facility A which was used to fund the repayment of the outstanding balance on the reserves based loan (RBL) facility and carries a fixed interest rate of 9.4% and is repayable on 30 June 2025 and a facility B which primarily provides funding for the Group's geothermal development activities and carries an interest rate of Euribor + 6% and has a five-year term with repayments commencing on 31 December 2025.
The Group is subject to the following financial covenants under the facility agreement, to be calculated and tested for compliance at 30 June and 31 December for each year of the agreement, in addition to when drawdowns are made, or as otherwise required by the facility agreement:
· Loan Life Cover Ratio ("LLCR") of greater than or equal to 1.25:1.
· Net Debt to Earnings before Interest, Tax, Depreciation, Amortisation, and Exceptional items ("EBITDAX") ratio of less than or equal to 2.00:1.
· Current ratio of the Group as defined in the facility agreement of greater than or equal to 1.00:1.
· Debt Service Cover Ratio ("DSCR") of greater than or equal to 1.10:1, for both projected and historic figures.
· Proved and developed reserves value to Net Debt ratio of greater than or equal to 2.50:1.
We complied with all the covenants applicable at the balance sheet date.
The balance at the end of the previous year related to the outstanding amount under the $40.0 million RBL facility with BMO Capital Markets (BMO). The facility was due to mature in June 2024 and the outstanding balance was repaid in April 2024 from the proceeds of the Kommunalkredit facility. The facility carried an interest rate of USD LIBOR plus 4.0% and was secured on the Group's assets. USD LIBOR ceased to be published from 30 June 2023 and the facility was amended to replace LIBOR with the Secured Overnight Finance Rate (SOFR) with effect from 1 July 2023. There was no material impact on the financial position and performance of the Group resulting from this transition.
Collateral against borrowing
A security agreement was executed between Apex Corporate Trustees (UK) Limited (as security agent for Kommunalkredit Austria AG) ("Apex"), Star Energy Group plc and certain subsidiaries, namely; IGas Energy Limited, Star Energy Limited, IGas Energy Enterprise Limited, Island Gas (Singleton) Limited, Island Gas Limited, Dart Energy (East England) Limited, Dart Energy (West England) Limited, IGas Energy Development Limited, IGas Energy Production Limited, Dart Energy (Europe) Limited and GT Energy UK Limited (as chargors) dated 9 April 2024 ("Star Energy Debenture"). On the same date, Scottish bonds and floating charges were executed between Apex (as security agent) and Dart Energy (Europe) Limited and IGas Energy Production Limited (Star Energy Group companies, as "Scottish Chargors") ("Scottish BFCs"). A further security agreement was executed between GT Energy Croatia Limited (a Star Energy Group company, as chargor) and Apex (as security agent) dated 26 April 2024 ("GT Debenture").
Under the terms of the Star Energy Debenture and GT Debenture, Apex has fixed charges over certain real property (freehold and/or leasehold property), petroleum licences, all pipelines, plant, machinery, vehicles, fixtures, fittings, computers, office and other equipment and chattels and all related property rights, shares of certain subsidiaries as well as the assigned agreements and rights and all related property rights and first floating charges over property, assets, rights and revenues (other than those charged or assigned pursuant to the aforementioned fixed charges). Under the terms of the Scottish BFCs, Apex has a first floating charge over all of the assets of the Scottish Chargors.
10 Provisions
| | 2024 | | 2023 | ||||
| | Decommissioning provisions £'000 | Contingent consideration £'000 | Total £'000 | | Decommissioning provisions £'000 | Contingent consideration £'000 | Total £'000 |
At 1 January | | (62,411) | (2,731) | (65,142) | | (62,825) | (2,731) | (65,556) |
Acquisitions | | - | - | - | | - | (857) | (857) |
Utilisation of provision | | 1,147 | - | 1,147 | | 2,909 | 857 | 3,766 |
Unwinding of discount (note 3) | | (2,537) | - | (2,537) | | (2,596) | - | (2,596) |
Foreign exchange adjustments | | 10 | - | 10 | | - | - | - |
Changes in FV of contingent consideration | | - | 2,251 | 2,251 | | - | - | - |
Reassessment of decommissioning provision | | 2,901 | - | 2,901 | | 101 | - | 101 |
At 31 December |
| (60,890) | (480) | (61,370) |
| (62,411) | (2,731) | (65,142) |
| | 2024 | | 2023 | ||||
| | Decommissioning provisions £'000 | Contingent consideration £'000 | Total £'000 | | Decommissioning provisions £'000 | Contingent consideration £'000 | Total £'000 |
Current | | (855) | (480) | (1,335) | | (1,956) | (280) | (2,236) |
Non-current | | (60,035) | - | (60,035) | | (60,455) | (2,451) | (62,906) |
At 31 December |
| (60,890) | (480) | (61,370) |
| (62,411) | (2,731) | (65,142) |
Decommissioning provision
The Group spent £1.1 million on decommissioning activities during the year (2023: £2.9 million) related primarily to the Group's share of costs related to plugging and abandoning wells at the Doe Green, Irlam and Springs Road sites.
Provision has been made for the discounted future cost of abandoning wells and restoring sites to a condition acceptable to the relevant authorities. This is expected to take place between 1 to 31 years from year end (2023: 1 to 29 years). The provisions are based on the Group's internal estimate as at 31 December 2024. Assumptions are based on our cumulative experience from decommissioning wells which management believes is a reasonable basis upon which to estimate the future liability. The estimates are based on a planned programme of abandonments but also include a provision to be spent in 2025-2029 on preparing for the abandonment campaign, abandoning wells and restoring sites which for regulatory, integrity or other reasons fall outside the planned campaign. The estimates are reviewed regularly to take account of any material changes to the assumptions. Actual decommissioning costs will ultimately depend upon future costs for decommissioning which will reflect market conditions and regulations at that time. Furthermore, the timing of decommissioning is uncertain and is likely to depend on when the fields cease to produce at economically viable rates. This, in turn, will depend on factors such as future oil prices, which are inherently uncertain.
The Group applies an inflation adjustment to the current cost estimates and discounts the resulting cash flows using a risk free discount rate. The provision estimate reflects a higher inflation percentage of 2.5% in the near term for the period 2025 - 2026 and thereafter incorporates the long term UK target inflation rate of 2% for the period 2027 and beyond. The discount rate used in the provision calculation as at 31 December 2024 ranged from 3.0% to 6.3% (2023: 3.0% to 5.5%). The increase in the risk free discount rate during the year is mainly due to the increase in the yield on UK government bonds for periods comparable to the life of the provision.
At 31 December 2024, the Group reassessed the decommissioning provision which resulted in a reduction of £2.9 million to the value of the liability. The change comprises a £2.5 million decrease due to the change in the discount rate and £0.7 million due to changes in expected costs offset by an increase of £0.3 million due to changes in expected timing of abandonment activities.
Management performed sensitivity analysis to assess the impact of changes to the risk free rate on the Group's decommissioning provision balance. A 0.5% decrease in the risk free rate assumption would result in an increase in the decommissioning provision by £4.5 million. Management also performed sensitivity analysis to assess the impact of changes to the undiscounted future cost of abandoning wells and restoring sites on the Group's decommissioning provision balance. A 10% increase in the undiscounted future cost would result in an increase in the decommissioning provision by £6.0 million.
Contingent consideration
The carrying value of contingent consideration relates to the acquisition of GT Energy UK Limited (GT Energy). The consideration is payable in shares and is dependent on the timing of various milestones being achieved. It is also dependent on the inputs to an agreed-form economic model which determines the level of the consideration for each milestone in accordance with the sale and purchase agreement (SPA). These inputs relate to targets for aspects of the Stoke-on-Trent project, including funding, amount of heat delivered, and costs and revenues achieved.
As detailed in note 6, it is now expected that the project will not progress in its intended form. This means that it will not be possible to meet the milestones, with the exception of a "business development" milestone (relating to the development of a second project) which could result in a payment of up to £1 million. Therefore the fair value for each milestone other than the business development milestone has been assessed as £nil. The fair value of the business development milestone was calculated by determining the probability weighted value of the payment. The balance of the contingent consideration at 31 December 2024 has been classified as a current liability based on the contractual milestone payment dates in the SPA for the GT Energy acquisition and the estimated timing of the achievement of the milestone.
In 2023, a contingent consideration of £0.9 million was recognised as part of the acquisition of an interest in A14 Energy Limited which was payable on the award of geothermal licences in bids submitted by IGeoPen d.o.o za trogovinu i usluge. The outcome of the bids was announced in October 2023 with the successful award of two licences, resulting in the contingent consideration becoming payable. This amount was fully settled during 2024.
11 Subsequent events
· On 3 January 2025, the Group acquired a further 20% interest in the issued share capital of its subsidiary A14 Energy Limited ("A14 Energy") from the minority shareholder Peninsula International PTE Limited. As a result, the Group's shareholding in A14 Energy increased from 51% to 71%. The acquisition of the additional shareholding was completed by conversion of the loan notes held by the Group.
· In April 2025, the Group completed the sale of its non-core asset, the Holybourne site in Alton, Hampshire, for a consideration of £6.3 million. The site, previously the location of Star's decommissioned Holybourne Oil Terminal, has now been transferred to the new owners following the satisfaction of all sale conditions.
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