Geothermal Power Plant (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Geothermal power plants at the Salton Sea like this one, the John Featherstone plane, produce superheated brine, which is full of lithium and other minerals. Berkeley Lab is advancing the science and technology to make this a “green” source of lithium for domestic battery manufacturing. Credit Patrick Dobson/Berkeley Lab Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.