Finland inaugurates world’s largest 1 MW/100 MWh sand battery

Finland has inaugurated the world’s largest sand battery, a 1 MW/100 MWh thermal storage system developed by Polar Night Energy. The unit is already exceeding efficiency targets. August 28, 2025 Patrick Jowett Image: Polar Night Energy Finland has inaugurated the world’s largest sand battery this week, a 1 MW/100 MWh thermal storage system developed by Polar Night Energy. The industrial-scale unit in Pornainen began operating in June after district heating company Loviisan Lämpö commis...
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Malaysian partners to develop 1.5 GW of solar

Malaysian partners to develop 1.5 GW of solar

Subsidiaries of Gentari and Gamuda will develop 1.5 GW of solar with battery storage in Malaysia to supply hyperscale data centers under the Corporate Renewable Energy Supply Scheme (CRESS), supporting the country’s push to expand clean energy and meet rising tech-sector demand. August 25, 2025 Patrick Jowett Image: Gentari, Gamuda Clean energy company Gentari and construction and engineering firm Gamuda are teaming up to develop 1.5 GW of solar power plants paired with battery energy storag...
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Malaysian group starts 243 MW solar, 172 MW/409 MWh BESS in Australia

Gentari Renewables Australia is developing 243 MW of solar alongside 172 MW/409 MWh of battery energy storage in the state of New South Wales. The project is scheduled to begin commercial operations in early 2027. August 14, 2025 Patrick Jowett Image: Gentari Renewables Australia Gentari Renewables Australia has broken ground on the Maryvale Solar & Energy Storage project in New South Wales, Australia. The project will include 243 MW of solar capacity and a 172 MW/409 MWh battery energy sto...
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Saint Lucia plans 10 MW solar project

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...
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World’s largest 1 MW/100 MWh sand battery commissioned in Finland

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...
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