Alamosa photovoltaic power plant developed by SunEdison, sells all output to Xcel Energy, a utility holding company based in what state? 
Xcel Energy: Xcel Energy Inc. is a utility holding company based in Minneapolis, Minnesota, serving more than 3.3 million electric customers and 1.8 million natural gas customers in Minnesota, Michigan, Wisconsin, North Dakota, South Dakota, Colorado, Texas and New Mexico.
i don't know