A new solution to stop-gapping renewable variability is bubbling under the ground in the Southwest United States. An experimental geothermal lab in Beaver County, Utah thinks that it has the solution to keeping energy pumping to the grid when the sun isn’t shining and the breeze isn’t blowing on U.S. solar and wind farms. The lab, funded since 2018 with $220 million from the U.S. Department of Energy, sits atop bedrock that reaches a blistering 465 degrees Fahrenheit. With this limitless supply of heat deep under the…
