heat battery

November 26, 2025
Technology provider Polar Night Energy and utility Lahti Energia have partnered for a large-scale project using Polar’s ‘Sand Battery’ technology for the latter’s district heating network in Vääksy, Finland.
November 17, 2025
Rondo Energy and SCG Cleanergy have commenced operation of Southeast Asia’s first industrial thermal battery energy storage system (BESS) at SCG’s cement plant in Saraburi, Thailand.
December 12, 2024
A roundup of energy storage news from across the EU, involving Polar Night Energy’s ‘Sand Battery’ in Finland, GazelEnergie and Q Energy in France, and Spain’s MITECO awarding financial support to 45 projects.
November 20, 2024
Construction is underway on a 100MWh thermal energy storage project in Finland, using the same ‘Sand Battery’ technology as a 8MWh system which came online in 2022.
May 20, 2024
Saudi Arabian oil firm Aramco has entered into a memorandum of understanding (MOU) with Rondo Energy, a thermal energy storage company, following an equity investment.
March 15, 2024
Portugal-based energy company EDP has partnered with zero-carbon heat and power provider Rondo Energy to electrify industrial heat.
August 17, 2023
Thermal energy storage company Rondo Energy has completed a US$60 million fundraising round from investors including Rio Tinto, Microsoft, Aramco and Energy Impact Partners.
May 3, 2023
Israel-based thermal energy storage firm Brenmiller Energy has inaugurated a factory targeting 4GWh of annual production capacity by the end of 2023, the first such gigafactory anywhere, it claimed.
November 10, 2022
With nearly half of global emissions coming from heat processes, clean long duration energy storage (LDES) which can store thermal energy are crucial for decarbonisation, says a new LDES Council report.
August 11, 2020
News in brief from around the world in energy storage.

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