Nexus Energy Systems is a solar and clean energy company based in Anaheim that has been operating since 1978. They install solar systems, roofing, and battery storage solutions on residential properties across California, with experience working on all roof types including composite shingle, metal tile and ground mounts. The company holds an A+ BBB rating and offers 25-year warranties on maintenance and repairs, plus a power production guarantee. They would be a good referral for homeowners looking for established, experienced solar installation with strong customer service backing.