The Tenaska Imperial Solar Energy Center West is a 150 megawatt (MW) photovoltaic power plant built in Imperial County, California.

Construction began in 2014 and full commercial operation was achieved in September 2016.

[1] Power is sold to San Diego Gas & Electric on a 25-year agreement.

The project utilizes 1.8 million thin-film photovoltaic modules made of CdTe, designed and manufactured by First Solar and covers an area of 1,100 acres (450 ha).

The plant is owned by CSOLAR IV South, LLC, an affiliate of Tenaska.