Alamosa photovoltaic solar power plant, is a 8.22 MWp photovoltaic power plant located in San Luis Valley, Colorado, USA. The power plant was developed by SunEdison, sells all output to Xcel Energy, and was completed in December 2007. The solar power plant occupies 83 acres (34 ha) of land, and provided enough power to supply 1400 homes in 2008. Alamosa photovoltaic power plant is the largest producer of photovoltaic power in the United States in 2008. Colorado Xcel customers pay approximately 2% more for electricity to subsidize renewable energy projects. The plant has received some criticism, saying that the amount of land used is large in comparison to the amount of power generated.