Covenergo and Delta Capacity have started construction on the AKKU One battery energy storage system (BESS) project in Lapinlahti, Finland.
The site will feature a stand-alone battery with a capacity of 125MW and an energy storage capability of 300MW-hours (MWh).
The companies expect to commission the facility in the fourth quarter of 2027 (Q4 2027).
The AKKU One project was acquired as a ready-to-build asset from Helios Nordic Energy.
Covenergo holds the majority ownership and expects to use its experience in renewable energy development, project finance and asset management to support the scheme.
Delta Capacity is responsible for securing offtake agreements, delivering construction and handling long-term management of the asset as the engineering, procurement and construction management contractor. It will work alongside Covenergo’s team.
According to Covenergo, the move supports the company’s strategy of expanding its flexible asset portfolio and increasing its involvement in the Nordic energy market.
Covenergo CEO František Kalivoda said: “This partnership and acquisition is an important step forward for Covenergo’s flexible asset portfolio and reinforces our growing footprint in the Nordic energy market. We remain fully committed to delivering high-quality, investment-ready projects that support Europe’s energy transition.”
For Delta Capacity, AKKU One is its second BESS storage project in Finland. Earlier this year, the company completed the 70MW/160MWh Ånge BESS in Sweden, reflecting its increased activity in the Nordic region.
Delta Capacity CEO Patrik Hes said: “AKKU One once again reaffirms our belief in the Nordic market and our expertise in delivering high-quality battery storage projects – including as a trusted partner for developers like Covenergo. We are proud to bring the same speed and execution that delivered Ånge to our new project in Finland.”
A Nordic team is providing support throughout construction and for future operations.
Rejlers, an engineering consultancy, is delivering technical project support. Sungrow will supply the battery system, following a 1GW-hour framework agreement with Delta Capacity signed earlier this year.
NYAB is conducting balance of plant works, and Ampner is responsible for grid connection studies and compliance.
GreenPowerMonitor will provide energy management and supervisory control and data acquisition systems for operational monitoring and control.
Once operational, the AKKU One project is expected to deliver flexibility services to the Finnish electricity network, including frequency regulation and balancing, as the country expands its wind and solar generation.
“Covenergo, Delta begin construction on AKKU One BESS in Finland” was originally created and published by Power Technology, a GlobalData owned brand.