The Desert Sunlight Solar Farm is a 550-megawatt (MWAC) photovoltaic power station approximately six miles north of Desert Center, California, United States, in the Mojave Desert. It uses approximately 8.8 million cadmium telluride modules made by the US thin-film manufacturer First Solar. It has the same 550 MW installed capacity as the Topaz Solar Farm in the Carrizo Plain region of Central California, making both of them tied for the second largest completed solar plants by installed capacity as of fall 2015.

Desert Center is a census designated place in the Colorado Desert in Riverside County, California. It is in southern California, between the cities of Indio and Blythe at the junction of Interstate 10 and State Route 177, about halfway between Phoenix and Los Angeles. The ZIP Code is 92239, and the community is in telephone area codes 442 and 760. The elevation is 656 feet (200 m). The population was 204 at the 2010 census.