Delta Capacity signs Sungrow supply agreement for Kärppiö 125 MW / 300 MWh BESS in Finland

Type: Supply Agreement · Technology: Storage · Country: Finland · Announced: 2026-09-25

Delta Capacity signed a supply agreement with Sungrow for BESS equipment for the 125 MW / 300 MWh Kärppiö battery energy storage system in Teuva, Finland. Construction on the Kärppiö project has begun and commissioning is planned for Q4 2027, with Delta Capacity acting as long-term asset manager. NEPower will serve as the balance-of-plant contractor delivering electrification and substation works, and Despro is the local engineering partner; the project is developed jointly by Delta Capacity and the Strioga Family Foundation. Delta Capacity has a partial tolling agreement with Centrica Energy to optimise and trade the asset across Nordic power markets. The deal is one of two large BESS projects linked to a 1 GWh framework agreement between Sungrow and Delta Capacity fulfilled this year, supporting Delta Capacity's expansion in the Nordic energy market.

Analysis

Delta Capacity signed a supply agreement with Sungrow to provide battery energy storage system equipment for the 125 MW / 300 MWh Kärppiö project in Teuva, Finland, with construction underway and commissioning targeted for Q4 2027. Sungrow Power Supply Co., Ltd. develops and manufactures power supply devices for renewable energy including storage, while Delta Capacity is a New York‑based private equity firm focused on long‑term infrastructure investments across the energy transition. The Strioga Family Foundation, a mission‑driven investment platform with a €100 million endowment, partners with Delta Capacity on the project, and NEPower is the balance‑of‑plant contractor delivering electrification and substation works. Delta Capacity holds a partial tolling agreement with Centrica Energy to optimise and trade the asset across Nordic power markets, and the project is part of a 1 GWh framework agreement between Sungrow and Delta Capacity fulfilled in 2026.

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