Nevada Solar One

Nevada Solar One is a concentrated solar power plant, with a nominal capacity of 64 MW and maximum steam turbine power output up to 72 MW net (75 MW gross), spread over an area of 400 acres (160 ha). The projected CO₂ emissions avoided are equivalent to taking approximately 20,000 cars off the road. The project required an investment of $266 million USD, and the project officially went into operation in June 2007. Electricity production is estimated to be 134 GWh (gigawatt hours) per year.

In 2007, when the plant came on line, it was the second solar thermal energy (STE) power plant built in the United States in more than 16 years, and in 2007, the largest STE plant built in the world since 1991. It is located in Eldorado Valley in the southwest fringe of Boulder City, Nevada, and was built in that city's Energy Resource Zone, which requires renewable generation as part of plant development permits; Nevada Solar One was approved as part of Duke Energy's larger El Dorado Energy project, which built 1 GW of electrical generation capacity. The solar trough generation was built by Acciona Solar Power, a partially owned subsidiary of Spanish conglomerate Acciona Energy. Lauren Engineers & Constructors (Abilene, TX) was the EPC contractor for the project. Acciona purchased a 55 percent stake in Solargenix (formerly Duke Solar), and Acciona owns 95 percent of the project. Nevada Solar One is unrelated to the Solar One power plant in California.