Form Energy Stock

A four-year-old startup says it has built an inexpensive battery that can discharge power for days using one of the most common elements on Earth: iron. Its backers include Breakthrough Energy Ventures, a climate investment fund whose investors include Microsoft Corp. co-founder Bill Gates and Amazon.com Inc. founder Jeff Bezos.

Form Energy, which is developing what it calls ultra-low-cost, long-duration energy storage for the grid, has signed a contract with the Minnesota-based Great River Energy to develop a 1 megawatt, 150 megawatt hour pilot project. The second-largest electric utility in the U.S., Great River Energy'

Form Energy, which is developing what it calls ultra-low-cost, long-duration energy storage for the grid, has signed a contract with the Minnesota-based Great River Energy to develop a 1 megawatt, 150 megawatt hour pilot project. The second-largest electric utility in the U.S., Great River Energy…