The solar system, which covers 1.2 million square feet area, has been installed on a Prologis distribution center rooftop located in Rialto.

Oltmans Solar vice president Mike Englhard said with the completion of the new project, the company has constructed a total of 13 solar installations totaling 26MW and covering 5.5 million square feet with a value of about $68m.

The solar installation is part of Southern California Edison’s renewable energy program.

US-based Oltmans is a general contractor providing quality services and sustainable solutions for its customers.