The biggest battery in the Nordic countries was taken into use on the 1st of March at Fortum’s Järvenpää power plant. In Fortum’s Batcave battery project, the Nordic countries’ biggest lithium-ion battery storage was installed in conjunction with Fortum’s biomass-fired biopower plant in Järvenpää. Electricity production forms that are condition-dependent, such as wind and solar energy, will require more flexibility from the electricity grid in the future. In addition to hydropower, also electricity storage brings flexible regulating power to the electricity system. The flexibility brought by a battery storage enables growth in the use of renewable energy sources in
Finland.