Form Energy, Inc., an American technology company developing and commercializing a new class of cost-effective, multi-day energy storage systems, announced a $450 million Series E financing round led by TPG's global impact investing platform, TPG Rise.

Also joining the Series E round are GIC and Canada Pension Plan Investment Board (CPP Investments), along with existing investors ArcelorMittal, Breakthrough Energy Ventures (BEV), Capricorn Investment Group, Coatue, Energy Impact Partners (EIP), MIT's The Engine, NGP ETP, Temasek, Prelude Ventures, and VamosVentures.

Form Energy is developing and commercializing ultra-low-cost, long-duration energy storage systems that can be located in any market and scaled to match existing energy generation infrastructure globally. These systems have the capability to reshape the electric system, making renewables fully firm and dispatchable year-round, extending transmission capacity without building new wires, and completely replacing the need for conventional thermal generation.