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2026 RANKINGS

Best Solar Contractors in Campbell, CA

We compared 3 licensed solar contractors serving Campbell based on credentials, insurance, experience, and customer reviews.

Updated March 2026

3
Total Contractors
15.7
Avg. Years Licensed
3
With Workers' Comp
Campbell, California homeowners are uniquely positioned to benefit from solar energy investments. Located in the heart of Silicon Valley's Santa Clara County, this vibrant city of approximately 43,000 residents enjoys an average of 260 sunny days per year—well above the national average. With California's elevated electricity rates and the South Bay's Mediterranean climate, solar panel systems in Campbell typically achieve payback periods of 6-8 years while providing decades of clean energy. The city's mix of mid-century ranch homes and newer construction throughout neighborhoods like the Pruneyard area, Downtown Campbell, and the tree-lined streets near Los Gatos Creek Trail creates diverse installation scenarios that require experienced, licensed professionals.

Choosing the right solar contractor in Campbell isn't just about price—it's about finding a company that understands Santa Clara County's specific permitting requirements, can navigate the complexities of PG&E interconnection agreements, and has proven experience working with Campbell's Building Department. The wrong choice can lead to installation delays, failed inspections, warranty issues, or system underperformance that negates your investment. With California's evolving net metering policies and battery storage incentives, you need a contractor who stays current with state regulations and can design systems optimized for your specific energy usage patterns.

This comprehensive guide examines Campbell's top-rated solar contractors, all verified through the California Contractors State License Board (CSLB) and evaluated based on licensing status, insurance coverage, customer reviews, and years of proven experience. We've analyzed hundreds of customer reviews, verified credentials, and assessed each company's specific strengths to help you make an informed decision. Whether you're looking to install a new solar array, add battery backup to an existing system, or integrate an EV charging solution, this guide will help you identify the right contractor for your Campbell home.

Quick Comparison

# Contractor Rating Reviews Years Insured
1 Supreme Air Systems 4.9 125 28 Yes
2 Infinium Solar Roofing And Electric 4.9 286 8 Yes
3 Earth Electric 4.9 49 11 Yes

How We Ranked These Campbell Solar Contractors

Our ranking methodology combines objective credential verification with comprehensive customer feedback analysis to identify Campbell's most reliable solar contractors. Every company listed has been verified through the California Contractors State License Board database to confirm active licensing status, appropriate classification for solar work (typically C-10 Electrical or C-46 Solar), and clean disciplinary records. We verified that each contractor carries required workers' compensation insurance and maintains the mandatory $25,000 contractor bond, protecting homeowners from potential liability and financial loss.

Customer review analysis forms a critical component of our evaluation. We examined both Google and Yelp reviews, calculating average ratings and analyzing review volume to ensure sufficient feedback for meaningful assessment. A contractor with 286 five-star reviews provides more reliable data than one with only a handful of ratings. We read through individual reviews to identify patterns in customer experiences, looking specifically at mentions of project management, installation quality, communication, permitting efficiency, and post-installation support. Years in business and licensing history provide additional context—a contractor licensed for 28 years demonstrates sustained commitment to the industry and compliance with evolving regulations. This multi-factor approach ensures our recommendations reflect both professional qualifications and real-world customer satisfaction.

What to Look for in a Campbell Solar Contractor

Campbell homeowners should prioritize contractors with specific experience navigating Santa Clara County's permitting process and established relationships with the Campbell Building Department. Solar installations require both building permits and electrical permits, and contractors familiar with local requirements can expedite approvals and avoid costly revision requests. Ask potential contractors about their typical permit timeline in Campbell and how many local projects they've completed—experience with Campbell's specific requirements, including compliance with California's Building Energy Efficiency Standards (Title 24) and local fire setback regulations, is invaluable.

Verify that contractors carry both C-10 Electrical and C-46 Solar licenses when applicable, along with proper workers' compensation insurance and bonding. Request proof of insurance and confirm coverage amounts directly with the insurance provider. Given Campbell's mix of architectural styles, from vintage Eichler homes to modern construction, ensure your contractor has experience with your specific roof type—tile, composition shingle, metal, or flat roofing systems all require different installation approaches and mounting hardware.

Campbell's climate considerations should inform system design. With hot, dry summers and mild winters, proper ventilation beneath panels prevents efficiency loss from heat buildup. Contractors should conduct detailed shade analysis using tools like Aurora Solar or similar software, accounting for Campbell's mature tree canopy in many neighborhoods. Ask about panel selection—high-efficiency modules may cost more upfront but deliver better performance in the limited roof space common in Campbell's established neighborhoods. Finally, ensure contractors explain PG&E's NEM 3.0 tariff implications and whether battery storage makes financial sense for your specific usage patterns, especially given the South Bay's increasing electricity rates and occasional Public Safety Power Shutoff events.

Detailed Contractor Reviews

#1

Supreme Air Systems

License #740667 • Campbell, CA

28 years licensed Workers' Comp ✓ $25,000 bond Active License ✓
4.9
125 reviews
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Supreme Air Systems brings 28 years of licensed experience to Campbell, making them one of the longest-established contractors in the area. While primarily known for HVAC services, their extensive experience with residential systems and electrical integration provides valuable expertise for homeowners considering comprehensive home energy solutions. Their 4.9-star Google rating across 125 reviews reflects consistently high customer satisfaction, with reviewers frequently praising their responsiveness, professionalism, and attention to detail. License #740667 remains in active standing with full workers' compensation coverage and required bonding.

Customer reviews highlight Supreme Air's exceptional service culture, with one long-term client noting they've worked with the company for "many, many years" and consistently received outstanding results. Reviewers specifically mention staff members by name—including Alan, Stephanie, Darrece, and Humbe—indicating strong team continuity and personalized service. The administrative team receives particular praise for efficiency and communication. Recent May 2025 reviews confirm ongoing quality with mentions of technicians arriving on schedule, thorough cleanup, and ensuring installations are "done right." Supreme Air Systems is best suited for Campbell homeowners seeking a well-established local company with deep roots in the community and a proven track record of customer satisfaction across multiple service categories.
#2

Infinium Solar Roofing And Electric

License #1031953 • Campbell, CA

8 years licensed Workers' Comp ✓ $25,000 bond Active License ✓
4.9
286 reviews
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Infinium Solar Roofing And Electric has established itself as a dedicated solar specialist in Campbell with 8 years of focused experience and an impressive 4.9-star rating across 286 Google reviews—the highest review volume among Campbell's top solar contractors. Licensed under #1031953 with full workers' compensation and bonding, Infinium demonstrates particular expertise in comprehensive solar installations including battery storage systems and EV charger integration. Recent reviews from December 2025 and January 2026 confirm their continued excellence in current project execution.

Customer feedback consistently highlights Infinium's project management capabilities, with reviewers praising project manager Nil for being "exceptional" in guiding installations alongside ADU construction and managing complex timelines. Installation crews including Ennan, Dilan, Rogelio, Fernando, and Moises receive specific recognition for quality workmanship and welcoming customer suggestions during installation. One repeat customer who initially installed a 5kWh system returned years later for a Franklin battery upgrade, demonstrating confidence in long-term performance. Reviewers note that Infinium emerged as the top choice after competitive evaluation processes involving six or more competing bids. The most common constructive feedback mentions that projects require customer follow-up to maintain momentum through permitting and installation phases. Infinium Solar is ideal for Campbell homeowners seeking comprehensive solar solutions with battery backup, EV charging integration, and a contractor with extensive local project experience and proven installation quality.
#3

Earth Electric

License #1003783 • Campbell, CA

11 years licensed Workers' Comp ✓ $25,000 bond Active License ✓
4.9
49 reviews
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Earth Electric operates with 11 years of licensed experience and maintains a 4.9-star Google rating across 49 reviews, demonstrating strong customer satisfaction despite a smaller review sample. License #1003783 remains active with proper workers' compensation and bonding. Earth Electric distinguishes itself through specialization in custom battery systems and premium equipment installations, with specific experience installing Tesla Powerwall, HomeGrid batteries, and Solark inverters—solutions that appeal to technically sophisticated Campbell homeowners seeking optimized energy storage.

Reviewer feedback emphasizes Earth Electric's technical expertise and consultative approach. One customer who evaluated over 20 solar companies and invited three for on-site visits ultimately chose Earth Electric based on their comprehensive service. Multiple reviews note that while Earth Electric isn't the cheapest option, their service quality justifies the investment. An October 2025 Tesla Powerwall installation review specifically states their "service was absolutely incredible and worth every penny." Customers praise their administration, permitting expertise, and work with the city throughout complex installations. A December 2023 review of a custom battery and solar system highlights their thorough approach "from administration and working with permitting to final installation." Earth Electric particularly excels at complex integrations combining solar arrays, battery storage, and EV charging infrastructure. This contractor is best suited for Campbell homeowners who prioritize technical excellence, custom system design, and comprehensive service over lowest-price options, particularly those interested in advanced battery storage solutions and premium equipment.

How We Rank Contractors

Licensing & Insurance

Active CSLB license, workers' comp coverage, and bond amounts verified.

Experience

Years of licensed operation in California, demonstrating longevity.

Customer Reviews

Google & Yelp ratings weighted for consistent positive feedback over time.

Priority Score

Our algorithm combines all factors into a single score, updated regularly.

Our ranking methodology for Campbell solar contractors employs a rigorous, multi-layered verification process designed to identify companies that combine proper licensing, financial stability, and demonstrated customer satisfaction. The foundation of our evaluation begins with California Contractors State License Board (CSLB) verification, where we confirm each contractor holds active licensing appropriate for solar work. This typically includes C-10 Electrical Contractor or C-46 Solar classifications, though some contractors hold multiple relevant licenses. We verify licensing duration to assess experience levels, check for disciplinary actions or license restrictions, and confirm compliance with continuing education requirements.

Financial protection verification forms the second critical layer. We confirm each contractor maintains workers' compensation insurance, protecting homeowners from liability if workers are injured on their property. We verify the required $25,000 contractor bond is current, providing recourse if contractors fail to complete work or violate contract terms. These financial protections are non-negotiable requirements for inclusion in our rankings.

Customer review analysis provides real-world performance data that licensing alone cannot reveal. We aggregate ratings from Google and Yelp, calculating weighted averages that account for review volume—a 4.9-star rating across 286 reviews carries more statistical significance than the same rating with only a handful of reviews. We analyze review content to identify patterns in customer experiences, paying particular attention to recent reviews (within the past 12 months) to ensure current performance standards. We look for specific mentions of project management, installation quality, permitting efficiency, communication, problem resolution, and post-installation support.

Our scoring system weighs these factors proportionally: licensing status and insurance compliance are pass/fail requirements, years in business contributes to experience assessment, review ratings indicate customer satisfaction levels, and review volume provides confidence in rating reliability. We prioritize contractors with consistent five-star ratings, substantial review counts, extensive licensing history, and specific expertise in solar installations. This comprehensive approach ensures our rankings reflect both regulatory compliance and proven customer satisfaction in real Campbell solar projects.

Frequently Asked Questions

How much does solar cost in Campbell?
Solar installation costs in Campbell typically range from $15,000 to $35,000 for residential systems before incentives, with the average 6-8 kW system costing approximately $18,000-$24,000. The actual cost depends on your roof size, energy consumption, equipment selection, and whether you include battery storage. Campbell homeowners benefit from the federal Investment Tax Credit (ITC), currently at 30% of total system cost, which significantly reduces out-of-pocket expenses. California's SGIP (Self-Generation Incentive Program) provides additional rebates for battery storage, particularly valuable given PG&E's NEM 3.0 tariff structure that reduces export credits. With Campbell's high electricity rates—PG&E customers often pay $0.35-$0.45 per kWh during peak periods—most homeowners see 6-8 year payback periods. Systems in Campbell's sunnier neighborhoods with optimal south-facing roof exposure tend toward the lower end of the payback range. Request detailed proposals from multiple licensed contractors to compare equipment quality, warranties, production estimates, and total installed costs. The cheapest bid isn't always the best value when considering 25-year system performance.
Do I need a permit for solar work in Campbell?
Yes, solar installations in Campbell require both building and electrical permits issued by the Campbell Building Department. Your contractor must submit detailed plans showing panel layout, electrical schematics, structural calculations, and equipment specifications. Santa Clara County enforces California's Title 24 energy standards and specific fire setback requirements—panels must typically be set back several feet from roof edges and ridges to provide firefighter access pathways. The permitting process usually takes 2-4 weeks depending on plan complexity and department workload. Experienced Campbell contractors familiar with local requirements can expedite approvals by submitting complete, compliant plans initially. Never allow work to proceed without proper permits—unpermitted installations can void equipment warranties, create home sale complications, and prevent PG&E interconnection approval. Your contractor should handle all permitting and schedule required inspections, including rough electrical, final electrical, and building final inspections before your system can be energized.
What should I ask a solar contractor before hiring?
Start by requesting their CSLB license number and verifying it directly at cslb.ca.gov—confirm the license is active, properly classified for solar work, and has no serious disciplinary actions. Ask how many Campbell installations they've completed and request local references you can contact. Inquire about their typical permitting timeline with Campbell's Building Department and their relationship with local inspectors. Request details on equipment brands—panel manufacturers, inverters, racking systems, and warranties for each component. Ask whether they subcontract installation work or use in-house crews, as this affects quality control and warranty service. Discuss their approach to PG&E interconnection and NEM 3.0 implications for your specific usage patterns. Request a detailed production estimate based on actual site assessment, not just satellite imagery. Ask about monitoring systems and what performance guarantees they provide. Inquire about their process for system maintenance, troubleshooting, and warranty claims—will they be available in 5-10 years if issues arise? Finally, request a detailed written proposal itemizing all costs, equipment specifications, production estimates, timeline, payment schedule, and warranty terms. Compare at least three detailed proposals before making your decision.
How do I verify a contractor's license in California?
Visit the California Contractors State License Board website at cslb.ca.gov and use the "License Search" tool. Enter the contractor's license number or business name to access their complete record. The results will show license status (active, inactive, or expired), issue date, expiration date, license classifications, and any disciplinary actions or citations. Verify the contractor holds appropriate classifications—C-10 Electrical or C-46 Solar for solar work. Check the "Details" section for workers' compensation insurance status and bond information. Review the "Complaints and Disciplinary Actions" section for any substantiated complaints or license suspensions. You can also call the CSLB at 800-321-CSLB (2752) to verify information by phone. Never hire a contractor who cannot provide a license number or whose license shows as inactive or suspended. Unlicensed contractors offer no legal recourse if problems arise and their work typically isn't covered by homeowners insurance.
What's the best time of year for solar work in Campbell?
Campbell's Mediterranean climate allows year-round solar installations, but spring (March-May) and fall (September-November) offer optimal conditions. These seasons provide mild temperatures for installation crews and typically involve less permitting department congestion than summer months when construction activity peaks. Starting your project in early spring allows completion before summer's highest electricity usage, maximizing immediate savings during expensive peak rate periods. Fall installations ensure systems are operational before winter's shorter days, and contractor schedules often have more flexibility as summer demand subsides. Avoid starting major projects during Campbell's brief rainy season (December-February), though light rain rarely prevents work entirely. Keep in mind that permitting timelines, equipment lead times, and PG&E interconnection can add 6-12 weeks to your project, so plan accordingly. Many contractors offer winter promotions when demand is slower, potentially providing cost savings, but verify they can still meet quality standards during busier periods when you'll need warranty service.
Selecting the right solar contractor in Campbell requires balancing multiple factors—licensing credentials, insurance coverage, customer satisfaction, local experience, and equipment quality. The three contractors profiled in this guide represent different strengths: Supreme Air Systems offers nearly three decades of local experience and exceptional customer service culture, Infinium Solar Roofing And Electric provides the most extensive project portfolio with 286 verified customer reviews and comprehensive solar expertise, and Earth Electric specializes in custom battery solutions and premium equipment installations for technically sophisticated homeowners. Each maintains proper California licensing, workers' compensation coverage, and strong customer ratings above 4.9 stars.

Your choice should align with your specific project requirements and priorities. Homeowners seeking straightforward solar installations with proven local support may prefer established contractors with long Campbell track records. Those planning complex integrations with battery storage and EV charging should prioritize contractors demonstrating specific expertise in these technologies. Budget-conscious buyers should obtain detailed proposals from multiple contractors, but remember that the lowest bid rarely delivers the best 25-year value when considering equipment quality, installation workmanship, and long-term support availability.

Compare Local Pros provides the tools you need to make informed decisions about your Campbell solar investment. Use our comparison features to request quotes from multiple licensed contractors, verify their credentials through our CSLB links, and read detailed customer reviews from local homeowners. Solar represents a significant investment that will serve your home for decades—take time to evaluate options thoroughly, ask detailed questions, and choose a contractor who demonstrates both technical competence and commitment to customer satisfaction. Start your comparison today to find the right solar contractor for your Campbell home.

Related Pages

Data Sources: License information from California CSLB. Ratings and reviews from Google. Rankings updated regularly.

This ranking is based on publicly available information and our proprietary scoring algorithm. We recommend getting multiple quotes and verifying all credentials directly before hiring.

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