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Econergy acquired full ownership of four operational battery storage projects in England with a combined capacity of 106 MW. The one-hour sites raise the company’s operational UK battery capacity to 196 MW; Econergy is evaluating whether to extend them to three-hour duration.
Energy company Econergy has acquired full ownership of four operational battery storage projects in England with a combined power capacity of 106 MW, increasing its operating UK battery portfolio from 90 MW to 196 MW. The one-hour facilities hold 106 MWh in total, and the company is evaluating upgrades that could extend their storage duration to three hours.
Econergy disclosed the acquisition in a filing to the Tel Aviv Stock Exchange, saying it bought 100% of the shares in the holding company that owns the four projects. The filing gives the company full ownership and control of the portfolio. Econergy has not named the seller, and public company-transfer filings had not yet appeared at Companies House, according to the report by Energy Storage.
The four standalone battery energy storage systems are operating in England and have a combined power rating of 106 MW and a current storage capacity of 106 MWh. Econergy said the projects are expected to generate about £4.7 million in EBITDA in 2027, before planned augmentation work. The figure is a company forecast, not a reported result.
Econergy is assessing whether to increase the sites’ duration from one hour to three hours. If completed, that would bring their combined storage capacity to about 318 MWh, while the stated 106 MW power rating remains the same. The company says longer duration could let the batteries store energy for longer and dispatch it over a wider period; no upgrade decision or timetable was provided in the source report.
Econergy’s UK Operating Fleet Doubles
The acquisition expands Econergy’s operating UK battery capacity by 106 MW, from 90 MW to 196 MW, and increases its number of grid-connected operating assets from two to six. It gives the company a larger operating base in a market where battery systems can store electricity and release it later, including when demand or market conditions change.
The proposed duration extension could add storage capacity without a corresponding increase in the sites’ power rating: the portfolio would be able to hold more energy and deliver it for longer, if Econergy proceeds with the work. That potential may broaden how the facilities can respond to market conditions, but the upgrade’s cost, timing and expected financial effect have not been disclosed. The announced 2027 EBITDA forecast applies before augmentation.
The deal also adds operating assets to a business that has a substantial UK development pipeline. However, the report does not provide the acquisition price or detail how Econergy financed the purchase, so the transaction’s effect on the company’s costs and returns cannot be assessed from the disclosed information alone.
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Two Existing UK Battery Sites
Before this acquisition, Econergy’s UK operating portfolio included two projects. The 50 MW / 100 MWh Swangate BESS in West Melton, Yorkshire, entered operation in 2024. The 40 MW / 120 MWh Dalmarnock project in Glasgow connected to the grid in October 2026, according to the source report.
Econergy says it has a 1.6 GW UK energy storage development pipeline. Across Europe, the company’s battery storage portfolio totals 5.9 GW, with 3.3 GW expected to be connected to the grid, under construction or in pre-construction by 2028. Those pipeline figures describe projects at different stages and are not all operating capacity.
“We’re pleased to be purchasing these four projects, which represent a business opportunity with clear upside.”
— Eyal Podhorzer, Econergy CEO and director
Price, Seller and Upgrade Plans
The source report does not identify the seller or disclose the purchase price, financing arrangements or transaction closing date. It also says public registry transfer filings had not yet been made to Companies House, leaving the public record of the ownership change incomplete at the time of reporting.
Econergy is evaluating, rather than confirming, an extension from one-hour to three-hour duration. The company has not given a decision date, construction schedule, expected cost or revised financial forecast for the potential work. The reported £4.7 million EBITDA estimate for 2027 is before augmentation and should not be read as a projection of returns after any upgrade.
Ownership Records and Augmentation Decision
Further details may emerge through company disclosures or public filings as the ownership transfer is recorded. Econergy’s next material update on the portfolio could clarify whether it will proceed with the proposed duration upgrades, and, if so, the work’s scale, cost and schedule.
Until the company provides those details, the confirmed change is the acquisition of the four operating sites and the resulting increase in Econergy’s UK operational capacity to 196 MW. The three-hour configuration remains under evaluation.
Key Questions
What did Econergy acquire?
Econergy acquired 100% of the shares in the holding company that owns four operational battery storage projects in England, giving it full ownership and control of the portfolio.
How much capacity do the four battery sites have?
The four facilities have a combined power rating of 106 MW and current storage capacity of 106 MWh, reflecting their one-hour duration.
Will Econergy extend the batteries to three hours?
The company is evaluating that option; it has not announced a final decision or a timetable. If completed, three-hour duration would bring the projects’ combined storage capacity to about 318 MWh.
How does the purchase change Econergy’s UK operating portfolio?
The acquisition increases Econergy’s operational UK battery capacity from 90 MW to 196 MW and its operating, grid-connected asset count from two to six.
What is known about the acquisition price and seller?
The report does not name the seller or disclose a purchase price. It also says public registry transfer filings had not yet been made to Companies House at the time of reporting.
Source: ess-news.com
