The Best Home Solar in Cupertino, CA

Compare the highest-rated home solar professionals in Cupertino, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

SunPower by Stellar Solar

4.8
(200 reviews)
Verified

A top-tier, locally-operated SunPower Master Dealer. They are renowned for installing the highest-efficiency solar panels on the market, backed by a comprehensive 25-year warranty. Their service is comprehensive, covering everything from initial design and financing to installation and long-term maintenance.

(Serving Cupertino from) 10487 Roselle St, San Diego, CA 92121 (Corporate office; local teams serve the Bay Area)

Specialties & Features

High-efficiency solar panel installation
Comprehensive 25-year warranties
Battery storage integration

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

PetersenDean Roofing & Solar

4.2
(150 reviews)
Verified

A large, established company that provides integrated roofing and solar services. They are known for handling the entire project in-house, which can streamline the process for homeowners needing roof work alongside their solar installation. They offer strong financing options and have a significant presence in California.

(Serving Cupertino from) 1737 N 1st St, San Jose, CA 95112

Specialties & Features

Integrated roofing and solar installation
In-house financing options
System maintenance and repair

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Semper Solaris

4.7
(180 reviews)
Verified

A reputable, veteran-owned company that has expanded throughout California. They are known for exceptional customer service and offer a strong combination of solar, battery storage, and energy efficiency services like HVAC. They are well-versed in local incentives and financing.

(Serving Cupertino from) 1580 Oakland Rd, San Jose, CA 95131

Specialties & Features

Solar and battery storage systems
Veteran-owned and operated
Energy efficiency assessments

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Home Solar Contractors in Cupertino

** The home solar market in Cupertino is highly mature and competitive, characterized by a tech-savvy and environmentally-conscious homeowner base. The high cost of electricity from PG&E provides a strong financial incentive for residents to adopt solar. The market features a mix of large national installers and highly specialized local or regional companies. Due to Cupertino's affluence and the prevalence of high-end homes, there is a significant demand for premium, high-efficiency systems and integrated battery storage (like Tesla Powerwall) for backup power and energy independence under the new NEM 3.0 policy. **Average Quality:** High. Homeowners in this area typically seek out top-tier equipment and professional installation. **Competition Level:** Intense. Many reputable providers compete for business, which can benefit consumers through competitive pricing and robust service offerings. **Typical Pricing:** Pricing is generally at a premium compared to national averages, reflecting the high cost of living, the quality of equipment installed, and the expertise of the local contractors. A typical residential system can range from $25,000 to $45,000+ before incentives, with the final cost heavily dependent on system size, panel efficiency, and the inclusion of battery storage.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Cupertino regulations and climate

Frequently Asked Questions About Home Solar in Cupertino

Get answers to common questions about home solar services in Cupertino, California.

1What is the average cost of a home solar system in Cupertino, and what incentives can reduce it?

For a typical 6kW system in Cupertino, the gross cost before incentives ranges from $18,000 to $25,000. The most significant incentive is the 30% federal Investment Tax Credit (ITC), which directly reduces your federal tax liability. Additionally, California's net metering policies and the lack of local sales tax on solar equipment make the long-term return on investment very strong in our sunny climate.

2How does Cupertino's climate and PG&E's net metering affect my solar production and savings?

Cupertino's abundant sunshine, with over 260 clear days per year, allows for excellent solar energy production. Under PG&E's current Net Billing Tariff (NEM 3.0), you earn credits for excess energy sent to the grid, but at a lower export rate. This makes pairing your system with a home battery, like a Tesla Powerwall, highly advantageous to maximize self-consumption and protect against PG&E's high evening rates and public safety power shutoffs.

3Are there specific permits or regulations for installing solar in Cupertino I should know about?

Yes, all installations require a building permit from the City of Cupertino's Building Division. The process is generally straightforward for standard roof-mounted systems, but the city may have specific aesthetic or structural guidelines. Your chosen installer should handle the entire permitting process, including ensuring compliance with the California Electrical Code and submitting interconnection paperwork to PG&E.

4What should I look for when choosing a solar provider in the South Bay/Cupertino area?

Prioritize local, established companies with extensive experience navigating Cupertino's permit process and PG&E interconnection. Verify they are licensed (C-10 or C-46), insured, and have strong reviews on platforms like Yelp and the California Contractors State License Board website. Ask for multiple Cupertino-specific references and ensure they provide a detailed production estimate tailored to your roof's orientation and Cupertino's microclimate.

5My roof gets some afternoon shade; is solar still worthwhile in Cupertino?

Yes, it can still be very effective. A reputable installer will conduct a detailed shade analysis using tools like a Solar Pathfinder. They can design a system using modern microinverters or power optimizers, which maximize output from each panel independently, mitigating shade loss. Given Cupertino's high electricity rates, even a partially shaded system often provides significant savings over time.