Parau 1 in Romania can now store cheap grid power, and not only the sunshine it makes. Econergy has connected a 70 MW / 141 MWh battery at the site on September 2, 2026, with a dedicated grid link that it calls Import Capacity.
Snapshot
Company - Econergy Ltd, through its subsidiary Econergy UK.
Project - Parau 1, Romania, now solar plus storage.
Storage - 70 MW / 141 MWh, about two hours' duration.
Solar - 92 MW, in commercial operation since 2024.
Site total - 162 MW installed across both components.
Storage cost - €21.3 million, excluding financing and VAT.
Storage revenue - €9.7 million a year, five-year average.
Feature - Import Capacity allows charging from the grid.
Econergy Ltd, an Israel-based BESS integrator, connected the 70 MW / 141 MWh storage component of its Parau 1 project in Romania to the electricity grid on September 2, 2026, which makes the site a co-located solar plus storage plant. The storage component is wholly and indirectly owned by Econergy International Limited (Econergy UK), which is a subsidiary of Econergy Ltd, and it sits beside a 92 MW PV plant that has been in commercial operation since 2024.
What separates the battery from most storage that is built alongside generation is a dedicated grid connection for charging, which Econergy calls Import Capacity. The company says that storage which is co-located with generation assets is not usually built this way. The battery can therefore draw from the grid rather than only from the PV plant, so that it takes power when prices are low or negative and discharges when they are higher.
The storage component cost €21.3 million (about $24.8 million) to build, which excludes financing costs and VAT. Both components together bring Parau 1 to 162 MW of installed capacity for roughly €84.7 million (about $98.5 million). Econergy is negotiating further bank financing to cover part of the storage cost.
When the first five full years of operation are averaged, Econergy expects the storage addition to earn €9.7 million (about $11.3 million) a year from electricity sales, with €8.0 million (about $9.3 million) of EBITDA and €6.3 million (about $7.3 million) of FFO. Econergy UK has booked €316,000 of construction management revenue on the component, and it projects €390,000 a year from managing the asset. For the project as a whole, the same averages come to €18.4 million (about $21.4 million) of electricity revenue, €14.7 million (about $17.1 million) of EBITDA and €11.2 million (about $13.0 million) of FFO.
On those numbers the battery is the smaller half of the capital and the larger half of the return: it accounts for about a quarter of Parau 1's construction cost and for more than half of the project's projected electricity revenue. At 70 MW and 141 MWh it runs for roughly two hours at full output.
Econergy's holding rate in the project is 100%, and the figures are presented on that basis rather than as the company's share. The revenue lines rest on the price forecasts of its market consultants, which makes them forward-looking information under Israel's Securities Law, 1968. Econergy states that they may not be realised in whole or in part, or that they may turn out materially different. It cites electricity prices, market conditions and financing conditions, and the risk factors that are set out in its 2025 annual report.
Adding storage to PV projects is the company's stated strategy. In Romania it counts 743 MW of projects that are connected or ready for connection, and a further 861 MW that are under construction.