Greenvolt Power Sells Two 200 MW / 800 MWh BESS Projects in North-Eastern Poland to A&R Investments

Greenvolt Power has agreed to sell the Ełk and Turośń Kościelna standalone BESS projects in Poland to A&R Investments. Each project has a capacity of 200 MW / 800 MWh (4-hour duration), both completed in Q3 2026 and backed by 17-year capacity market contracts starting in 2028 and 10-year tolling agreements. Combined capacity totals 400 MW / 1,600 MWh.

Transaction date: · Source: greenvolt.com

Key facts

Transaction date
Capacity
400 MW
Transaction price
Not disclosed
Country
Poland
Region
Warmia-Masuria and Podlaskie
Location
Ełk, Warmia-Masuria and Turośń Kościelna, Podlaskie, north-eastern Poland
Continent
Europe
Development status
Operational
PPA
Yes

Technology details

Two standalone BESS projects each with 200 MW of power capacity and 800 MWh of storage capacity (4-hour duration), totalling 400 MW / 1,600 MWh. Both projects completed in Q3 2026 and have obtained all required permits for use. Each project has secured a 17-year capacity market contract in Poland starting in 2028 (85% rated capacity availability guarantee). Both covered by a 10-year tolling agreement for power market optimisation.

Power purchase agreement (PPA)

Both projects have 17-year capacity market contracts in Poland starting in 2028 (fixed payment for 85% rated capacity availability). Both also covered by a 10-year tolling agreement optimising battery dispatch in power markets.

Additional information

Transaction expected to close by end of 2026, subject to customary conditions. Part of Greenvolt's asset rotation strategy targeting sales of approximately 70–80% of internally developed projects. Greenvolt Power has a BESS pipeline of approximately 4.6 GW across its markets. A&R Investments is a Malta-based investment vehicle managing a diversified portfolio of private and public investments.

Source

Original announcement: https://greenvolt.com/greenvolt-group-agrees-to-sell-two-battery-storage-projects-in-poland-to-ar-investments/

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