Arizona utility Tucson Electric Power (TEP) claims that the cost-effectiveness of a new large-scale solar-plus-storage facility under construction will allow it to provide “more solar energy to more customers for less money”.

Energy storage software and integration specialist Greensmith Energy will partner power firm E.ON Climate and Renewables and the utility Tucson Electric Power (TEP) to provide software control for a utility-scale energy storage system next to a solar array in Arizona.