This #geothermal startup showed its wells can be used like a giant underground #battery
#Fervo can create flexible geothermal #powerplants, capable of ramping #electricity output up or down as needed. Potentially more important, the system can store up energy for hours or even days and deliver it back over similar period
https://www.technologyreview.com/2023/03/07/1069437/this-geothermal-startup-showed-its-wells-can-be-used-like-a-giant-underground-battery/