Semper Solaris

Semper Solaris serves Concord and surrounding California communities with solar panel installations and battery backup systems. The company holds a 4.6-star rating from 144 customer reviews, reflecting consistent service across residential solar projects. Technicians maintain professional conduct and product knowledge throughout each installation. Their availability spans from early morning through late evening, accommodating homeowner schedules throughout most of the week. They welcome inquiries from homeowners seeking renewable energy solutions for their properties.

What distinguishes this contractor is their expertise with integrated solar and battery solutions, including Tesla Powerwall installations. Their team provides personalized system design through dedicated representatives who guide homeowners from initial consultation through final inspection. The company also offers ongoing support for systems installed by other providers who are no longer in business, a service several reviewers specifically praised. This comprehensive approach ensures customers have a single point of contact throughout their solar journey.

Several reviewers highlight specific technicians who delivered exceptional service. Dimitri Salido managed a 40-panel solar installation with four Tesla Powerwalls, completing the project on schedule. Lesley Prentice noted that Brak B. resolved issues left by a previous installer, getting her system operational after a year of unsuccessful repairs. Sean provided thorough diagnostic work on heating concerns, keeping the homeowner informed throughout the resolution process. Angie C. was praised for efficient support and helping homeowners understand app features.