Sunline Energy Inc.

Sunline Energy Inc., headquartered in San Diego, California, is a family-owned and operated solar energy contractor specializing in both residential and commercial projects throughout Southern California. Established over a decade ago by Matthew Margolin, Sunline has completed more than 10,000 installations—making it one of the region’s most experienced providers of solar solutions. The company distinguishes itself as a vertically integrated operation: all engineering, construction—including roofing and electrical work—and project management are handled entirely in-house by licensed professionals. This approach ensures quality control at every stage of installation while streamlining communication for clients. Sunline offers comprehensive services that include custom solar system design/engineering tailored to each property’s needs; full-service roofing; advanced energy storage solutions; EV charging station installation; ongoing maintenance; as well as assistance with permits and inspections. Their commitment to transparency, fair pricing with high-quality components, exceptional workmanship, and customer satisfaction has earned them top ratings on platforms like Yelp and Angi’s List along with industry recognition such as being ranked among Solar Power World’s Top Contractors. Financing options are available through third-party lenders or PACE programs paid via property tax assessments—though traditional leasing is not offered. Sunline backs its systems with robust warranties up to 25 years on panels, reflecting confidence in their products’ longevity. With an emphasis on honest business practices (“doing business the old fashioned way”), streamlined processes free from pushy sales tactics or delays, Sunline continues to be recognized as Southern California's premier choice for integrated solar energy solutions.