Solar Companies in California
Compare all 8 solar installation companies serving California. View detailed ratings, customer reviews, pricing tiers, and service areas.
All Solar Companies Serving California
Powur PBC
Del Mar, CA
500 reviews
Powur PBC is a B-Corp certified solar marketplace and MLM company that connects customers with solar installation partners across 22 states. Operating since 2014, Powur uses independent consultants for sales and subcontracts installation work to regional partners.
Sunrun
San Francisco, CA
2800 reviews
Sunrun is the largest residential solar company in the U.S., specializing in solar leases and PPAs. They offer comprehensive protection including roof leak coverage and free maintenance for lease customers.
Momentum Solar
South Plainfield, NJ (serves CA)
1200 reviews
Momentum Solar is a rapidly growing national installer with operations across multiple states. They offer competitive pricing and various financing options, though customer service quality can vary by region.
Stellar Solar
Oceanside, CA
676 reviews
Stellar Solar is a top-rated local installer with 28 years of experience in Southern California since 1998. As an authorized Maxeon dealer, they install premium Maxeon panels (formerly SunPower) with industry-leading 40-year warranties. With over 16,000 residential and commercial installations, they are consistently voted San Diego's Best Solar.
Elevation
Chandler, AZ (serves CA)
450 reviews
Elevation offers comprehensive home energy solutions beyond just solar. Their services include energy audits, insulation, and HVAC upgrades, making them ideal for homeowners seeking complete efficiency improvements.
Palmetto Solar
Charleston, SC (serves CA)
850 reviews
Palmetto Solar is a B Corp certified company focused on social and environmental impact. Their proprietary technology platform provides advanced monitoring and energy management tools.
Baker Electric Home Energy
San Diego, CA
920 reviews
Founded in 1938, Baker Electric is one of California's most trusted names in electrical services. Their solar division offers premium installations backed by decades of electrical expertise.
Semper Solaris
El Cajon, CA
1100 reviews
Semper Solaris is a veteran-owned company offering solar, roofing, and HVAC services. They provide special discounts for military members and veterans.
Disclaimer: Company rankings are based on publicly available data including customer reviews, BBB ratings, years in business, and service offerings as of February 2, 2026. Featured companies may include paid placements.
How to Choose a Solar Company
Key Factors to Consider
- Experience: Look for companies with 5+ years in business and local expertise
- Licensing & Certifications: Verify proper licensing and manufacturer certifications
- Customer Reviews: Check BBB ratings, Google reviews, and Reddit discussions
- Warranty Coverage: Compare workmanship and equipment warranty terms
- Pricing Transparency: Get detailed quotes with all costs itemized
- Response Time: Consider post-installation support and service response times
- Equipment Quality: Research the panel and inverter brands they offer
⚠️ Red Flags to Watch For
- High-pressure sales tactics or "limited time" offers
- Requiring full payment upfront
- Unwillingness to provide references or detailed quotes
- No physical address or local presence
- Extremely low bids (may indicate quality issues)
- Poor communication during the sales process
✓ Best Practices
- Get at least 3 quotes from different companies
- Ask for customer references and follow up with them
- Verify licensing with the California Contractors State License Board
- Read the full contract before signing
- Understand the warranty terms and what's covered
- Ask about post-installation monitoring and support
- Confirm the timeline and what happens if delays occur
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