Avra Valley Solar is a 34 MW (DC, 25 MW AC) photovoltaic power plant in Avra Valley, Pima County, Arizona, owned by NRG. It uses single axis tracking that is designed to be maintenance free over the twenty year design life of the system. The panels are mounted on a north-south axis and rotate each day to follow the sun from sunrise to sunset, increasing the output by about 20%. Power is being sold to Tucson Electric Power in a 20-year power purchase agreement.Avra Valley plant harvesting power of sun instead of cottonAvra Valley Project

Production

+Generation (MW·h) of Avra Valley Solar Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total 2012 2,125 2,125 2013 4,208 5,074 6,694 7,948 8,475 8,847 6,820 6,126 6,571 6,475 4,381 4,193 75,812 2014 4,539 4,602 6,868 7,377 8,323 8,680 6,812 7,042 5,935 5,815 4,698 3,463 74,154 2015 3,721 4,929 6,561 7,644 7,602 6,703 6,837 5,591 5,214 3,575 58,377 2016 4,118 5,492 6,886 7,349 8,663 7,599 7,953 7,104 5,856 5,798 4,480 3,548 74,846Total 285,314

See also

Solar power in Arizona

References