Batteries

Battery energy storage systems (BESS) support the integration of renewables by helping to respond to the demand, increasing the reliability of the network and reducing the generation curtailment.

Green flexibility technology

 

Energy storage technologies can be integrated in various markets by providing balancing, ancillary, frequency response services, including arbitrage in the day-ahead market. The rapid renewables development in the region increases the demand for balancing and other network services.

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Ignitis Group’s battery energy storage systems

1 March 2026 data

CountryUnder constructionTotal capacity
Lithuania
  • Kelmės EEKS (147 MW; 295 MWh)
  • Kruonio EEKS (99 MW; 199 MWh)
  • Mažeikių EEKS (45 MW; 90 MWh)
584 MW; 291 MWh
Energy

Ignitis Renewables 

Ignitis Renewables is an international green energy company operating in the Baltics and Poland. It focuses on developing green generation and green flexibility technologies. By developing onshore and offshore wind, solar, battery and power-to-X technologies, the company is implementing Ignitis Group’s strategic priority to deliver 4–5 GW of installed green capacities by 2030.

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