Sempra US Gas & Power is planning to expand its Mesquite Solar complex in Arlington, Arizona by adding 100MW capacity.
Construction on the proposed project, which is the phase 2 of the Mesquite Solar complex, will begin this fall.
The Mesquite Solar 2 expansion is expected to be completed in late 2016 and it will employ over 600 workers.
Southern California Edison will purchase the clean electricity generated by the Mesquite Solar 2 project, under a 20-year power purchase agreement.
Sempra U.S. Gas & Power renewables president Kevin C. Sagara said: "We are pleased to support Southern California Edison’s commitment to diversify its growing renewable energy portfolio through the development of Mesquite Solar 2.
"The expansion of our landmark Mesquite Solar complex reflects the progressive vision and leadership by the state of Arizona and Maricopa County, and we look forward to delivering a new supply of clean, emission-free energy to California consumers."
All the three phases of the Mesquite Solar complex are expected to produce 400MW of clean power by late 2016.
Sempra also intends to complete the 94MW Copper Mountain Solar 4 project in Nevada by the next year.
The combined solar power portfolio of projects, jointly owned by the company in Arizona and Nevada, is expected to grow to more than 1,000MW by the end of 2016.
Sempra completed the 150MW, phase I of Mesquite Solar project in January 2013.
Image: All the three phases of the Mesquite Solar complex are expected to produce 400MW of clean power. Photo: courtesy of Sempra U.S. Gas & Power.