Energy_Transition

Sand, ice and supercritical CO2: innovative long-duration system offers ‘cheapest energy storage yet’

US-based Echogen says its thermal energy storage technology, which can output power for several days straight, will cost far less than batteries and beat long-duration market leader Highview Power on price

An illustration of Echogen's sand-based pumped thermal energy storage system.
An illustration of Echogen's sand-based pumped thermal energy storage system.Echogen
Published 17 May 2021, 09:31Updated 17 May 2021, 09:31