Elenger has invested nearly EUR 10 million in energy storage
Elenger has invested nearly EUR 10 million in battery energy storage systems in Estonia and Latvia. Most recently, the battery storage system built at the company’s Olaine solar park in Latvia received its operating permit. The system has a capacity of 4.5 MW and a storage capacity of 9 MWh.

Margus Kaasik
Olaine is Elenger’s second operational battery energy storage system in Latvia. Together with systems already in operation and under construction, Elenger’s total energy storage capacity in Estonia and Latvia will increase to 44 MWh, with a total power capacity of 22 MW.
“There is a growing need for storage capacity in the electricity market, as renewable energy production depends on weather conditions and electricity generation does not always coincide with consumption. Batteries make it possible to store electricity during periods of higher production and use it when demand increases. Our investment of nearly EUR 10 million has already given us significant storage capabilities in both Estonia and Latvia, strengthening our position and competitiveness as an electricity supplier,” said Margus Kaasik, Chairman of the Management Board of Elenger Group.
Kaasik noted that such investments benefit all electricity consumers: “Batteries help smooth price fluctuations, reduce pressure on the electricity system and strengthen the resilience of the energy system as a whole. The more such solutions we have, the more efficiently we can integrate renewable energy and reduce our dependence on fossil energy sources.”
Elenger commissioned its first battery energy storage system in September 2025 at its Nīca solar park in Latvia. In August this year, the second BESS in Liepāja was commissioned and following now the commissioning of the Olaine system, the company will continue to expand its storage capacity in Estonia.
The storage systems make it possible to use electricity generated by solar parks when demand is higher and to respond to the needs of the electricity market and grid. Electricity can be stored during lower-priced hours and fed back into the grid when demand is higher. Batteries also help balance the electricity grid and support security of supply.
“As renewable energy production grows, the question of how to use the electricity generated at the right time becomes increasingly important. Storage enables us to manage generation and consumption more flexibly and reduce situations where the potential of renewable energy goes unused during periods of high production,” Kaasik added.
Elenger began producing solar energy in 2019, when it developed four solar parks in Pärnu in cooperation with a partner company, comprising a total of 13,000 solar panels with a combined capacity of 4.7 MW. Since then, the company has expanded its solar energy production in Estonia and Latvia and invested in energy storage alongside generation.
Elenger is the largest privately owned energy company in the Baltic-Finnish region, operating in six markets – Finland, Estonia, Latvia, Lithuania, Poland and Germany – and serving more than 450,000 customers. Elenger’s activities span energy sales and trading, infrastructure and generation.
Elenger supplies its customers with Western-origin natural gas and renewable biomethane and operates over 9,000 km of gas distribution networks in Estonia, Latvia and Poland. The company sells electricity, including green electricity generated by its own solar parks, and is active in international energy trading. The Group employs more than 1,000 people. Elenger is wholly owned by Infortar, an investment company listed on the Baltic Main List of Nasdaq Tallinn.