Fervo Energy

How to Feed a Data Centre 24/7: Drill Into 460-Degree Rock

Fervo drilled its hardest well yet into 460-degree rock in 21 days and named Utah for the first data centres built to run on always-on geothermal heat.

The Signal — A battery of iron and air could be clean energy's missing piece

Cheap storage that lasts days, not hours, is the part that finally lets a grid run on sun and wind — plus five more signals from the frontier.