A building permit has been granted in spring 2025 for a battery energy storage system (BESS) to be located near the new substation under construction in Kukonkylä, Sievi, in the Järvineva area. The total power capacity of the system will be 125MW with an energy capacity of 250MWh. Detailed technical planning is progressing in accordance with the conditions set in the building permit.
The project page will be updated as the project progresses