Xcel Energy’s 10-megawatt iron-air battery demonstration project takes off in Pueblo

Xcel Energy’s 10-megawatt iron-air battery demonstration project takes off in Pueblo

Xcel Energy is partnering with Form Energy to build two 10-megawatt iron-air battery demonstration projects, one at the soon-to-be shuttered Comanche power plant site near Pueblo. The iron-air batteries can deliver cost-competitive electricity for as long as 100 hours, allowing Xcel Energy to integrate more low-cost, renewable energy into its system and maintain the grid's reliability as it retires its coal plants. The projects are expected to b…