Home Selected ReferencesHannes Snellman advised Exilion on Its Investment into a 20 MW / 41 MWh Battery Energy Storage Solution 02/07/2026 | Energy Hannes Snellman advised Exilion on Its Investment into a 20 MW / 41 MWh Battery Energy Storage Solution Main Contacts Maria Landtman Partner maria.landtman@hannessnellman.com +358 50 388 9468 Hannes Snellman advised Exilion, a leading Finnish renewable energy investor, on its over EUR 8 million investment into a 20 MW / 41 MWh battery energy storage solution, comprising the BESS and a hybrid controller for the BESS and the co-located Varevaara wind farm in Tervola. Once operational in 2027, the facility will provide critical balancing capacity to the electricity market and enhance power system stability, with a hybrid power plant controller enabling the BESS and the wind farm to operate as a single integrated system, further optimising the operation of the wind farm within the grid. Our team advised on the negotiation of construction, supply, and long-term services contracts with Merus Power. Hannes Snellman’s team included Maria Landtman and Emmi Malm. Main Contacts Maria Landtman Partner maria.landtman@hannessnellman.com +358 50 388 9468