PRESS RELEASE: Usva Energia closes 100 MW BESS project sale in Finland
Usva Energia closes sale of a 100 MW ready-to-build battery energy storage project in Finland to Prime Green Energy Infrastructure Fund II, managed by Prime Capital AG.

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Espoo, Finland, 17.3.2026 – Usva Energia Oy has closed the sale of a 100 MW ready-to- build (RTB) battery energy storage system (BESS) project located in Teuva, Finland, to Prime Capital AG.
Developed by Usva Energia, the Project has reached RTB status following a comprehensive development process including site acquisition, permitting, grid connection preparation and technical design. The Project is planned to connect to Finland’s transmission grid operated by Fingrid and is designed to provide flexibility and balancing capacity to the power system while supporting the integration of renewable energy. The transaction forms part of Usva Energia’s broader portfolio strategy. By realizing value from selected assets at the RTB stage, the company strengthens its financial position and enables the accelerated development of other projects within its growing energy storage portfolio.
Aarnematti Keinänen, CEO of Usva Energia, commented:
“Reaching ready-to-build status and successfully completing this transaction demonstrates the strength of our development platform and the quality of our project pipeline. This transaction strengthens our ability to advance additional energy storage projects and continue expanding our activities in the Nordic energy storage market.”
Vincent Fosse, Investment Manager at Prime Capital AG, commented:
“We are very glad to add this asset into our portfolio and are looking forward to starting the construction. We are strong believers in a reliable and green energy mix for Finland, and we are convinced our collaboration with USVA Energia is a step in the right direction.”
Usva Energia was advised by EY-Parthenon Corporate Finance as M&A advisor and Hannes Snellman as legal advisor in the transaction.
Media contact
Usva Energia Oy
Aarnematti Keinänen, CEO
aarnematti.keinanen@usvaenergia.fi
About Usva Energia
Usva Energia develops battery-based energy storage projects to support the growth of renewable energy and a reliable power system in Finland. The company develops and builds energy storage solutions designed to provide flexibility and balancing capacity to the power system.
About Prime Capital AG
Prime Capital AG is a leading European player in alternative investments, including investments in energy infrastructure. Prime Capital currently has €4.1 billion under management. Prime was founded in 2006 and currently employs around 120 people in Frankfurt and Luxembourg. The business is supervised by the German BaFin and the Luxembourg CSSF.
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