First Solar, Inc. has entered into a 25-year power purchase agreement with Tri-State Generation and Transmission Association, Inc., a wholesale electric power supplier serving more than 1.4 million consumers through 44 electric cooperatives and public power districts in Colorado, Nebraska, New Mexico and Wyoming. “This photovoltaic (PV) power plant is another demonstration of our ability to provide affordable, utility-scale solar solutions,” said John Carrington, First Solar execu...