Electric utility company St Lucia Electricity Services is set to tender a 10 MW solar project with accompanying battery energy storage later this year. July 14, 2025 Patrick Jowett...

Finnish startup Polar Night Energy has commissioned the world’s largest sand battery in Pornainen, southern Finland. The industrial-scale system delivers 1 MW of thermal power with 100 MWh storage capacity, covering up to a month’s summer heat demand and nearly a week’s winter demand for the local district heating network. June 11, 2025 Patrick Jowett Pornainen Sand Battery Mikko Paajanen, CEO of Loviisan Lämpö, said the municipality is aiming to be climate neutral by 2035 and “the san...