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Econergy has acquired full ownership of four operational battery storage projects in England, adding 106 MW of capacity to its UK portfolio. The systems currently store 106 MWh in total; Econergy is evaluating upgrades that could raise that figure to about 318 MWh. The seller and transaction price have not been disclosed.
Independent power producer Econergy has acquired full ownership of a holding company that owns four operational battery storage projects in England, adding 106 MW of capacity to its UK portfolio. The projects currently have one-hour storage duration, and the company is evaluating whether to extend them to three hours, according to its filing to the Tel Aviv Stock Exchange.
The four standalone battery energy storage systems have a combined 106 MW power capacity and 106 MWh of storage capacity at their current one-hour duration. Econergy said it bought 100% of the shares in the holding company that owns the assets, giving it full ownership and control of the portfolio. The company did not disclose the seller or the purchase price.
Econergy said it expects the portfolio to generate about £4.7 million in EBITDA in 2027, before planned augmentation works. That figure is a company projection, not a reported result. The company is assessing upgrades that could extend the systems’ duration to three hours and raise their combined storage capacity to about 318 MWh.
The acquisition raises Econergy’s operational UK battery capacity from 90 MW to 196 MW and increases its grid-connected operational assets from two to six, according to the company. Its existing UK projects are the 50 MW/100 MWh Swangate site in Yorkshire, which entered operation in 2024, and the 40 MW/120 MWh Dalmarnock project in Glasgow, which connected to the grid in October 2026.
Econergy Doubles Its UK Capacity
The purchase expands Econergy’s operating presence in a UK market where battery systems can store electricity and return it to the grid at a later time. Moving from 90 MW to 196 MW gives the company a larger portfolio of operating assets, rather than relying only on projects still under development.
The potential duration upgrades could add another dimension to the acquisition. A three-hour system can hold more energy than a one-hour system at the same power rating, allowing electricity to be delivered across a longer period. Econergy said longer duration could help the assets respond to changing market conditions by shifting electricity toward times of stronger demand. The upgrades remain under evaluation, however, so the additional capacity and any related financial benefit are not yet confirmed.
The deal also adds to the company’s development plans. Econergy said it has a 1.6 GW UK energy storage pipeline. Across Europe, it reports a 5.9 GW battery portfolio, with 3.3 GW expected to be connected to the grid, under construction or in pre-construction by 2028. Those are company pipeline figures, not a guarantee that each project will be built or connected on that schedule.
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Four Sites Join Existing UK Projects
The acquisition extends an existing portfolio that includes assets at different stages of operation. Swangate, in West Melton, Yorkshire, has a rated capacity of 50 MW and 100 MWh and began operating in 2024. Dalmarnock, in Glasgow, is rated at 40 MW and 120 MWh and connected to the grid in October 2026. The newly acquired projects bring Econergy’s operational UK total to six grid-connected assets, the company said.
Battery power capacity, measured in megawatts, describes how quickly a system can deliver electricity; energy capacity, measured in megawatt-hours, describes how much it can store. At a one-hour duration, the four acquired projects’ 106 MW rating corresponds to 106 MWh. Econergy’s proposed three-hour configuration would mean about 318 MWh if the stated power capacity is retained and the augmentation is completed.
“We’re pleased to be purchasing these four projects, which represent a business opportunity with clear upside.”
— Eyal Podhorzer, Econergy CEO and director
Seller and Upgrade Plans Remain Undisclosed
The seller, purchase price and other financial terms have not been disclosed in the reported filing. The source report said public registry transfer filings had not yet been made to Companies House, so those records had not publicly identified the transaction parties at the time of reporting.
Econergy has not confirmed that it will carry out the proposed augmentation, when work might begin, what it would cost or how the project would be financed. The company’s projected £4.7 million EBITDA for 2027 is stated before planned augmentation works; the report does not provide a separate estimate for earnings after any upgrades. The precise names and locations of the four acquired sites were also not provided in the source material.
Watch for Upgrade and Registry Details
The next developments to watch are public filings that may identify the seller and confirm the ownership transfers, along with Econergy’s decision on whether to extend the batteries’ storage duration. The company has not set out a timetable for an upgrade decision or construction in the information reported.
Further company updates may clarify the investment required, the expected schedule and whether the projected 2027 EBITDA changes after the proposed work. Until those details are released, the confirmed development is the acquisition of the four operational projects and the resulting increase in Econergy’s reported UK capacity.
Key Questions
What did Econergy acquire?
Econergy acquired 100% of the shares in a holding company that owns four operational battery storage projects in England. The four sites have a combined power rating of 106 MW.
How much energy can the batteries currently store?
The projects currently have a one-hour duration, for a combined stated storage capacity of 106 MWh. Econergy is evaluating upgrades that could increase this to about 318 MWh by extending the systems to three hours.
How much capacity will Econergy have in the UK after the deal?
Econergy said the purchase increases its operational UK battery capacity from 90 MW to 196 MW, and its number of operational grid-connected assets from two to six.
Who sold the projects, and what was the price?
The seller and purchase price have not been disclosed in the reported information. The source report said Companies House transfer filings had not yet been made at the time of publication.
Is the three-hour upgrade confirmed?
No. Econergy is evaluating plans to augment the systems. The company has not confirmed the work, its cost or its schedule.
Source: ess-news.com
