New Mexico auctioned 34,000 acres of land, awarding a 45-year lease.
The project will be built over several phases over the next 10 years, with construction for 300MW of Phase I starting this year.
Mark Stacy, Iberdrola Renewables’ development director said: "Winning this bid is an important achievement in our ongoing efforts to bring the El Cabo project to fruition."
A live public auction was held on September 19 at the Torrance County Courthouse in Estancia, New Mexico.