The project, which was built on an abandoned gas and oil field, features 250,000 SunEdison Silvantis solar photovoltaic panels.
TerraForm Power acquired the facility from its call right list with SunEdison.
SunEdison Services will provide operation and maintenance services for the facility.
Southern California Edison will buy the energy generated from the plant under a 20-year power purchase agreement.
Google provided $145m in equity financing for the solar plant, which is expected to generate enough energy for more than 10,000 homes and reduce CO2 emissions equivalent to not burning 125 million pounds of coal per year.
The project is expected to provide about $184m in revenue to local businesses, governments and homes in the initial 20 years of operation.
SunEdison executive vice president of North America Utility and Global Wind Paul Gaynor said: "Regulus is another SunEdison success story in the California utility scale solar market and is an important contributor to the state’s RPS goals.
"We are excited to see the support and enthusiasm surrounding this project, and are pleased that this project is able to provide economic and environmental benefits to the people of California."
Earlier in 2015, TerraForm Power acquired 21 distributed generation solar power plants in the US from SunEdison for $47m.
Image: The Regulus facility features 250,000 SunEdison Silvantis solar photovoltaic panels. Photo: Courtesy of SunEdison/PRNewswire.
