Solar Power (IMAGE) Washington State University Caption One of the largest photovoltaic solar power plant in the United States is at Nellis Air Force Base in Nevada. Solar arrays produce more than 15 megawatts of power. Credit Nellis Air Force Base Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.