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Econergy has acquired full ownership of four operational battery storage projects in England with a combined capacity of 106 MW. The one-hour systems could be expanded to three-hour duration, but the company has not confirmed whether or when it will carry out that work.
Econergy has acquired all shares in a holding company that owns four operating battery storage projects in England, adding 106 MW of capacity to its UK portfolio, according to a company filing to the Tel Aviv Stock Exchange. The acquisition raises its operational UK battery capacity from 90 MW to 196 MW; the sites currently have one-hour storage duration, and Econergy is evaluating upgrades that could extend them to three hours.
The four standalone battery energy storage systems have a combined 106 MW power capacity and 106 MWh of storage, reflecting their current one-hour duration. Econergy said the portfolio is expected to generate around £4.7 million in EBITDA in 2027, before planned augmentation works. The company has not provided details in the source report on the assumptions behind that estimate.
The acquisition gives Econergy 100% ownership and control of the holding company and its four assets, according to the filing. The seller was not identified. The source report said public registry filings recording the transfer had not yet appeared at Companies House.
Econergy is assessing whether to increase the systems’ duration to three hours. If implemented across the portfolio, that would raise its storage energy capacity to about 318 MWh, while the stated power capacity would remain 106 MW. The company said longer duration could allow the batteries to store more electricity and deliver it over a longer period, helping them respond to changing market conditions.
Econergy’s UK Operating Base Expands
The deal more than doubles Econergy’s operational UK battery power capacity, from 90 MW to 196 MW, and increases its connected operating asset count from two to six. That gives the company a larger base of working storage projects as it pursues a reported 1.6 GW UK energy storage development pipeline.
Storage duration affects how much electricity a battery can hold relative to its power output. A three-hour system could supply energy over a longer window than the current one-hour configuration, which may give operators more options for responding to demand and market prices. However, Econergy has described augmentation as a possibility under evaluation, not as a completed or approved project. The additional capacity and revenue implications will depend on whether upgrades proceed and on their costs and operating conditions.
The company’s estimate of £4.7 million in 2027 EBITDA offers an indication of expected portfolio contribution before augmentation, but it is a forecast, not reported earnings. The filing details supplied in the source do not specify the purchase price or the transaction’s financing, limiting what can be concluded about its financial returns.
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Existing Assets and Growth Plans
Before this acquisition, Econergy’s operational UK storage portfolio comprised two projects. Its 50 MW / 100 MWh Swangate battery in West Melton, Yorkshire, entered operation in 2024. The company’s 40 MW / 120 MWh Dalmarnock project in Glasgow connected to the grid in October 2026, according to the source report.
The newly acquired sites are all in England and are described as operational, with one-hour duration. Their addition takes Econergy from two to six grid-connected operating assets in the UK. The company also reported a European battery storage portfolio of 5.9 GW, of which 3.3 GW is expected to be connected to the grid, under construction or in pre-construction by 2028. Those pipeline figures cover projects at different development stages and are not equivalent to 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
Purchase Terms and Upgrade Plans
The source report does not identify the seller or disclose the acquisition price, financing arrangements, or other transaction terms. It also said Companies House transfer filings were not yet available at the time of reporting. The filing to the Tel Aviv Stock Exchange is the cited basis for Econergy’s ownership announcement.
It remains unclear whether Econergy will proceed with three-hour augmentation, when work might start, what it would cost, or whether all four sites would be upgraded. The company has not supplied project-by-project locations or individual technical specifications in the reported details. The £4.7 million 2027 EBITDA figure is an expectation before augmentation, and the source does not provide its calculation assumptions.
Filing Details and Upgrade Decisions
Further details may emerge through company disclosures or public company records, including confirmation of the holding-company transfer and additional transaction terms. Econergy’s next substantive decision for the portfolio is whether to advance the proposed one-hour-to-three-hour augmentation. The company has not announced a schedule for that assessment or for any construction work.
Until those details are released, the confirmed development is the acquisition of four operational assets and the resulting increase in Econergy’s UK operating capacity. The potential 318 MWh total storage capacity and associated longer-duration market opportunities remain conditional on augmentation proceeding.
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, according to its filing to the Tel Aviv Stock Exchange.
How much capacity do the four projects have?
The projects total 106 MW of power capacity and currently provide about 106 MWh of storage, based on their one-hour duration.
Will the batteries be expanded to three hours?
That has not been confirmed. Econergy said it is evaluating augmentation that could increase the portfolio’s storage capacity to about 318 MWh. No schedule or final decision was reported.
How does the acquisition change Econergy’s UK portfolio?
The acquisition raises Econergy’s operational UK battery capacity from 90 MW to 196 MW and takes its operating asset count from two to six, according to the source report.
Was the purchase price disclosed?
No purchase price or seller was identified in the source report. It also reported that public Companies House transfer filings were not yet available.
Source: ess-news.com
