Thermal energy storage (IMAGE) DOE/Sandia National Laboratories Caption Walter Gerstle, who co-founded CSolPower LLC, is working with Sandia National Laboratories to develop his company’s thermal energy storage system and get it ready for commercial use. Credit Photo by Craig Fritz/Sandia National Laboratories Usage Restrictions Media use with credit 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.