Renewables.digital currently lists 2 Battery Storage (BESS) transactions in Poland in June 2026, with a combined capacity of 256 MW. Companies involved include Enea Nowa Energia (Enea Group) (1), ENGIE Zielona Energia (1), Greenvolt Power (1) and R.Power (1). Development status: Operational (1) and Ready-to-Build (1). The most recent deal is “ENGIE Zielona Energia Acquires 250 MW / 1,000 MWh Tursko Wielki BESS Project in Poland from R.Power” (27 June 2026).
ENGIE Zielona Energia has acquired the special purpose vehicle developing the Tursko Wielki battery storage project in Świętokrzyskie Voivodeship, Poland, from R.Power. The 250 MW / 1,000 MWh project has reached ready-to-build status and will connect directly to the Połaniec power station. Construction is expected to begin in early 2027, with commissioning targeted for Q4 2028.
Enea Nowa Energia and Greenvolt Power have finalised the sale of the 6.6 MW Nowe Miasto Lubawskie Wind Farm in Warmian-Masurian Voivodeship, Poland, including a 3 MW BESS project with building permit. This is the third of four transactions under a broader €83.3 million, 33.2 MW Polish wind portfolio deal announced in May 2025.
Data as of 30 September 2026. The overview covers the transactions currently listed in the Renewables.digital database; each deal links to its original public source.