The Ivanpah Solar Electric Generating System is a concentrated solar thermal plant located in the Mojave Desert at the base of Clark Mountain in California, across the state line from Primm, Nevada. It was slated to close in 2026, but that decision has been reversed by the California Public Utilities Commission. The facility derives its name from its proximity to Ivanpah, California, which lies with. CountryUnited StatesLocationnear , StatusOperationalConstruction beganOctober 27, 2010DescriptionThe Ivanpah system consists of three on 3,500 acres (1,400 ha) of near the California–Nevada border in the. Initially it was planned wit. The plant burns each morning to commence operation. reported, "Instead of ramping up the plant each day before sunrise by burning one hour's worth of natural gas to generate steam, Ivan.