Vistra, Malta, and Southwest Research Institute Collaborate on Department of Energy Funded Study to Advance Clean Power Generation News provided by Share this article Share this article CAMBRIDGE, Mass. and IRVING, Texas, April 14, 2021 /PRNewswire/ -- Vistra (NYSE: VST) a leading Fortune 275 integrated retail electricity and power generation company and Malta Inc., a leading developer of long-duration thermal energy storage solutions, in collaboration with Southwest Research Institute (SwRI), have been awarded a Department of Energy (DOE) grant. The federally funded project will study how Malta's energy storage system can improve the environmental and economic performance of a natural gas-powered power plant, help to balance the diverse power generation on electric grids, and improve the reliability and resiliency of the electric system as more intermittent renewables come online.