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Econergy has acquired full ownership of four operational battery storage projects in England, adding 106 MW of power capacity. The one-hour sites bring its operating UK battery capacity to 196 MW; the company is evaluating upgrades that could extend storage duration to three hours.
Econergy has acquired 100% of the holding company that owns four operational battery storage projects in England, adding a combined 106 MW to its UK portfolio. The one-hour facilities lift the independent power producer’s operational UK battery capacity from 90 MW to 196 MW, while the company considers upgrades to extend their storage duration.
The deal covers four standalone battery energy storage system (BESS) facilities that are already operational and connected to the grid. They have a combined 106 MW power capacity and, at their current one-hour duration, 106 MWh of storage capacity. Econergy disclosed the acquisition in a filing to the Tel Aviv Stock Exchange. The seller was not named in the report.
Econergy said the sites are expected to generate about £4.7 million in EBITDA in 2027, before planned augmentation works. That figure is a company projection, not a reported result, and the source material does not provide the assumptions behind it. The company is evaluating upgrades that could increase the facilities’ duration to three hours, or about 318 MWh in total.
The transaction expands Econergy’s operating UK fleet from two assets to six. Its existing sites are the 50 MW / 100 MWh Swangate BESS in West Melton, Yorkshire, which entered operation in 2024, and the 40 MW / 120 MWh Dalmarnock project in Glasgow, which connected to the grid in October 2026.
A Larger Operating Storage Fleet
The acquisition more than doubles Econergy’s operational battery power capacity in the UK, increasing it from 90 MW to 196 MW. The additional sites give the company a larger operating platform in a market where battery operators can store electricity and release it at a later time. However, the assets’ current one-hour duration means their combined storage energy is 106 MWh; MW capacity and MWh storage are different measures.
Extending the systems to three hours could allow them to hold more energy and dispatch it over a longer period. Econergy says that would give the assets greater flexibility to respond to market conditions and shift electricity toward periods of stronger demand. The upgrade remains under evaluation, so its cost, schedule and effect on revenue have not been confirmed in the source material.
The transaction also adds operating projects to a broader development effort. Econergy says it has a 1.6 GW UK energy storage pipeline. Across Europe, the company reports a 5.9 GW BESS portfolio, with 3.3 GW expected to be connected to the grid, under construction or in pre-construction by 2028. Those are company-reported pipeline figures, not capacity already operating.
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Econergy’s UK Storage Expansion
Before the acquisition, Econergy’s UK operating battery assets included Swangate in Yorkshire and Dalmarnock in Glasgow. Swangate, rated at 50 MW / 100 MWh, entered operation in 2024. Dalmarnock, rated at 40 MW / 120 MWh, connected to the grid in October 2026, according to the report.
The new portfolio consists of four projects in England, all with a current one-hour duration. In battery terms, MW describes how quickly a system can charge or discharge, while MWh describes the amount of energy it can store. Econergy’s proposed three-hour duration would raise the portfolio’s stated storage capacity from 106 MWh to approximately 318 MWh if the planned augmentation proceeds.
The transaction was reported by Energy Storage on November 4, 2026, based on Econergy’s filing to the Tel Aviv Stock Exchange. The report says Companies House transfer filings for the relevant companies had not yet been made public at that point.
“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 Details Pending
The seller has not been identified in the reported disclosure, and the source says Companies House transfer filings had not yet appeared. The report therefore does not provide public registry confirmation of the ownership transfer beyond Econergy’s filing and its stated acquisition of the holding company.
It is also unclear when Econergy will decide whether to augment the batteries, what the work would cost, or how long it would take. The projected £4.7 million in 2027 EBITDA is stated before planned augmentation, and the report gives no detailed forecast assumptions, purchase price or financing terms.
Ownership and Upgrade Decisions
Further confirmation may come through Companies House filings as the holding-company ownership changes are recorded. Econergy’s next material decision is whether to proceed with the proposed three-hour augmentation and, if so, to disclose its timing, investment cost and implementation plan. Until those details emerge, the four sites’ confirmed configuration remains 106 MW / 106 MWh.
Investors and market participants can also look for updates to Econergy’s reported UK pipeline and operating portfolio. The company has not provided a specific timetable for those updates or for the upgrade decision in the material cited here.
Key Questions
What did Econergy acquire?
Econergy said it acquired 100% of the shares in a holding company that owns four operational battery storage projects in England. The seller was not named in the report.
How much capacity do the four projects have?
The portfolio has 106 MW of power capacity and a current one-hour duration, equivalent to 106 MWh of storage capacity, according to the report.
Will the batteries be upgraded to three hours?
Econergy is evaluating augmentation to three-hour duration, which would bring the portfolio to about 318 MWh. The company has not confirmed that the work will go ahead or provided a timetable.
How does the deal change Econergy’s UK operating capacity?
The acquisition raises Econergy’s reported operational UK BESS capacity from 90 MW to 196 MW and increases its operating asset count from two to six.
What earnings does Econergy expect from the portfolio?
Econergy said the sites are expected to generate around £4.7 million in EBITDA in 2027, before planned augmentation. This is a company forecast; the source does not provide its underlying assumptions.
Source: ess-news.com
