Geothermal kit can help make the power grid flexible

Photograph: Veronica G. Cardenas

Nov 19th 2025|CHRISTINE, TEXAS|2 min read

IF YOU do not mind chance encounters with alligators and feral hogs, the trip down the long gravelly track off a local road in Christine, Texas, is worth making. On a clearing in the bushes a firm based in nearby San Antonio with a deal to supply power to Meta’s data centres has built one of the world’s most intriguing batteries. The project has already demonstrated its ability to store and release 3MW of power to the Texas grid and is set for further expansion.