Photon Vault was founded in 2018 and is active in Environmental Services. Photon Vault provides clean, efficient, and profitable energy storage solutions. Photon Vault is a grid-scale thermal energy storage system. The company’s technology offers the stabilization of the grid by delivering power when required as well as batteries for short durations and long-duration technology for a durations up to 100hrs. The company claims it that outputs more electricity than it pulls from the grid.