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The 10 Best Solar Installers in San Jose (2026)
This list ranks the top local solar installers and related services for San Jose based on Google reviews, updated for 2026. We use a Bayesian-style score that weights a business’s average rating by its number of reviews, so firms with many high-rated reviews rise to the top. The result is a review-driven shortlist focused on real customer feedback rather than advertising. San Jose homeowners and small businesses face specific choices—roof suitability, electrical upgrades, and permitting—so this compilation aims to help readers narrow their options when shopping for panels, maintenance, or system service in the South Bay.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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TN Electrical and Solar Services
TN Electrical and Solar Services earns the top spot because it combines a perfect 5.0 Google rating with 122 reviews, giving it the highest weighted score in our ranking. It’s listed as a Solar energy system service, and the company name also indicates electrical capability, which can matter for complete system work. The blend of a flawless average and sizable review volume is what places it above competitors.
The full ranking
Infinium Solar, Roofing and Electric
With a 4.9-star average across 350 reviews, Infinium Solar, Roofing and Electric appears as a Solar energy system service based in Campbell.
350 reviews
All One Solar Shine
All One Solar Shine carries a 4.9 rating from 297 reviews and is categorized on Google as a Solar panel maintenance service.
297 reviews
Sunlight Concepts | Natural Daylighting and Ventilation System – Solatube Dealer
Sunlight Concepts is rated 4.9 with 266 reviews and is listed as a Skylight contractor in San Jose.
266 reviews
Smart Solar Panel Cleaning San Jose
Smart Solar Panel Cleaning San Jose holds 4.9 stars from 172 reviews and is listed as a Solar panel maintenance service in San Jose.
172 reviews
Simmitri, Inc.
Simmitri, Inc. has a 4.9 rating based on 102 reviews and is listed as a Solar energy company in San Jose.
102 reviews
Indaspec Smart Roofing and Energy Solutions
Indaspec Smart Roofing and Energy Solutions is a Roofing contractor in San Jose with a 4.9 average from 74 reviews.
74 reviews
Poco Solar Energy Inc
Poco Solar Energy Inc is listed as a Solar energy equipment supplier in Santa Clara and holds a 4.8 rating across 283 Google reviews.
283 reviews
Cinnamon Energy Systems, Inc.
Cinnamon Energy Systems, Inc. appears as a Solar energy company in Los Gatos, with a 4.8 average from 111 reviews.
111 reviews
Highlight Solar
Highlight Solar is a Solar energy company in San Jose listed with a 4.8 score from 60 reviews.
60 reviews
Frequently asked questions
How should I choose a solar installer in San Jose?
Look for installers with consistent, recent customer reviews and verifiable credentials. Compare multiple written bids that break down equipment, labor, permits and warranties, and ask for local references and examples of completed jobs with similar roof types or system sizes.
What affects the cost of a residential solar installation?
Cost depends on system size, the quality and brand of panels and inverters, roof complexity and any required electrical upgrades. Local permitting, interconnection fees and available incentives also affect net cost, so get detailed line-item estimates to compare offers accurately.
What should I check before hiring a solar company?
Verify the company’s state contractor license and insurance, confirm who will pull permits, and get warranty details in writing for both equipment and installation. Also ask about the installer’s process for utility interconnection and whether subcontractors are used on site.
How was this ranking of solar installers created?
This list is built from Google review data and updated for 2026. We use a weighted (Bayesian-style) score that combines average rating with review count so that businesses with many high ratings rank higher, and we do not include paid placement.