EDF Power Solutions has commissioned a 50MW/120MWh BESS project in Poland, Eurus has done the same in Hungary, while NGEN and Aretis Group have financed and enlisted optimisers (respectively) for projects in Hungary, Romania, Poland, Slovenia and Latvia.
EDF Power Solutions completes Poland project
EDF Power Solutions, part of the power group EDF, has commissioned a 50MW/120MWh battery energy storage system (BESS) in Poland.
It is its first operational project in the country, part of a 370MW pipeline, and project pictures show that Chinese BESS and inverter firm Sungrow provided the energy storage units.
Like most other large-scale projects in Poland that have progressed to construction, it has a 17-year capacity market (CM) contract.
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The CM is the bedrock of the business case for large-scale storage in the country, all-in-all handing out around 5GW of contracts to BESS over four annual auctions in 2022-2025. However, 2025’s saw the quantity fall for the first time after a big de-rating cut for BESS.
EBRD backs NGEN’s CEE rollout
The European Bank for Reconstruction and Development (EBRD) is providing a €70 million (US$82 million) package to BESS owner-operator NGEN for five BESS projects in Latvia, Poland (two), Romania and Slovenia.
Tesla will provide the BESS for the projects which will total 302MW of power capacity and and an undisclosed megawatt-hour (MWh) capacity.
They will operate under a merchant model, presumably optimised by NGEN’s in-house aggregation and trading capabilities.
The financing benefits from a first loss guarantee, similar to other packages that EBRD has provided in the Central and Eastern Europe (CEE) region.
EBRD will also support NGEN in increasing its cybersecurity resilience, and the company has also committed to increasing the share of women in its workforce. The firm also recently started building projects in Germany and Austria.
Aretis Group enlists Capalo for solar and storage optimisation in Latvia
IPP Aretis Group has enlisted optimiser Capalo AI to trade its solar and storage projects in Latvia.
Capalo will optimise revenues in the electricity market for the following projects:
- 4.4MWp solar, 4.4MW/10.32MWh BESS Līvāni hybrid
- 4MWp solar, 4MW/10.32MWh BESS Krāslava hybrid
- 15MW/40MWh Iļģuciems standalone BESS
- 15MW/40MWh Torņakalns standalone BESS
The two hybrid projects became operational in March 2026 while the standalone projects will do so in July 2026. Capalo will trade them into all electricity markets including ancillary services FCR, aFRR, mFRR. Ancillary service prices are very high in the Baltics right now.
Eurus puts solar and storage project into operation in Hungary
IPP Eurus Energy has started commercial operations on its Baracska PV & BESS Hybrid project, a 7.24MW solar, 5MW/20MWh BESS project in Baracska, Fejér County, Hungary. Tongwei provided the solar modules while Sungrow provided the BESS.
It comes two days after a partner at local law firm wrote a guest blog for Energy-Storage.news on the potential of Hungary for energy storage investment. The largest BESS we are aware of under construction in the country is a 299MWh system from IPP Greenvolt, scheduled for completion in the current quarter (Q2 2026).
Our publisher Solar Media will hold the Energy Storage Summit Central Eastern Europe (CEE) 2026 on 6-7 October in Warsaw, Poland.
