In four years, San Luis Obispo-based Mainstream Energy Corp. has grown from a head count of fewer than 100 employees to nearly 600 employees and $150 million in annual sales. It recently signed on Kam Mofid, a veteran of large firms such as Teleflex, Pratt & Whitney and General Motors, as president to expand the company even further.

Mainstream Energy is the corporate parent of REC Solar, a company that designs and installs solar energy systems. Its systems are on single-family homes and major commercial buildings, such as the 137-kilowatt example on the roof of the Melfred Borzall factory in Santa Maria. Mainstream Energy also owns AEE Solar, a wholesale distributor of components for solar systems.

“I joined the MSE team to help write the next chapter in our journey — to help create a world-class company and a major contributor to our country’s need for more secure and more sustainable energy sources,” Mofid told the Business Times via e-mail.

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