"This is a major milestone for our company, the San Emidio project and the geothermal industry,” says US Geothermal chief executive Daniel Kunz.

NV Energy, the largest electric utility in Nevada, will pay $89.75/MWh subject to a 1% annual escalator, under terms of a 25-year power purchase agreement. The power plant is projected to average 71,500/MWHs of electricity output each year.