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Sunline Energy is a privately-owned solar energy contractor that designs and installs customized solar energy systems for residential and commercial clients in the San Diego area.

Sunline Energy, Inc. was founded in 2012 by Matthew Margolin, a serial entrepreneur and San Diego resident with training in solar technology. Margolin serves as company President and CEO, and often interacts directly with potential clients. Since opening for business, Sunline Energy has completed more than 3,000 solar installation projects.

Solar energy solutions from Sunline Energy are fully customized to fit the physical dimensions of homes and commercial buildings. If roofing repairs or reconstruction are needed, Sunline technicians can provide those services. Sunline Energy designs, engineers, installs, tests, connects, and maintains their solar panel arrays, with no use of outside contractors. Each project is supervised by a Dedicated Installation Manager, who remains available after construction is finished to help with any technical issues for the customer.

Sunline Energy does not have formal relationships with specific

solar manufacturers. It gives clients the opportunity to choose solar panels, inverters, and battery storage systems from multiple suppliers. They've recently begun stocking more products manufactured in the USA, for the benefit of clients who prefer those options.

Financing is available for clients who require it through third-party lenders and from funding platforms that offer state-backed PACE loans paid for by property tax assessment. At this time, Sunline Energy does not offer solar leasing options.

Despite their small size, Sunline Energy is one of the better reviewed firms in the solar industry. More than 80 percent of their business comes from referrals, mostly in the form of online reviews. Sunline Energy is the best-reviewed solar company in the San Diego area on Yelp, was a winner of Angie's List Super Service Award, and was rated as high as #55 on Solar Power World's annual list of the Top Solar Companies in America.


Mounted Panels

Low Profile Panels

Solar Roofing

Roof Replacement

Minor Roof Repairs


Mobile App

Purchase & Finance Options






Solar System: 25 years
Battery System: 10 years
Roofing: N/A years
Solar Roofing: N/A years

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