15 Best Solar Companies in Sunnyvale, CA (2023 Reviews)

We analyzed over 1500 solar companies in the nation,
and have selected the top 15 in Sunnyvale based on:

  • Customer review scores
  • Service area for Sunnyvale, CA
  • Company policies and services offered
  • Accreditations and certifications

Average Sunnyvale homeowner saves $2,554/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated September 15, 2023

Why you can trust EcoWatch

We work with a panel of solar experts to create unbiased reviews that empower you to make the right choice for your home. No other site has covered renewables as long as us, which means we have more data and insider information than other sites. Our rankings are never affected by revenue or partnerships.

Best Solar Companies in Sunnyvale

Do you want energy freedom in Sunnyvale? Installing solar panels can be a rewarding home project since there are lots of benefits when you switch to solar power. On average, your family can save $30,000 over 20 years when you use solar power. And because solar panels last about 25 to 30 years, your total cost savings will be even higher overall.

In this article, we'll help you narrow in on the best options in your area. To get an estimate of how much it might cost to install solar panels on your roof, you can click the button below to be connected to a certified installer near you.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best Regional Coverage

Momentum Solar

★★★★★
4.5

  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best Warranty Coverage

ADT Solar

★★★★★
4.0

  • Industry-leading warranty coverage
  • Expansive service area
  • Some reported communication issues
  • No leases or PPAs

EcoWatch Rankings for Solar Companies in Sunnyvale

Best Local Installer
ecowatch badge icon

EcoWatch Rating

4.5/5

SunPower Corporation

  • Pros icon Free Quotes
  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Tailored solutions
  • Service icon Business installations
  • Service icon Integrated roofing
  • Service icon Home installations
  • Service icon Expert panel installation
  • Service icon Energy storage solutions

Website: https://us.sunpower.com/
Address: 51 Rio Robles, San Jose, CA 95134
Phone: 5105400550
Outstanding Local Installer
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EcoWatch Rating

4.1/5

High Definition Solar

  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Home installations
  • Service icon Expert panel installation
  • Service icon Integrated roofing
  • Service icon Tailored solutions

Website: http://www.highdefinitionsolar.com/
Address: 1190 Burnett Ave, Concord, CA 94520
Phone: 9255668282
Outstanding Local Installer
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EcoWatch Rating

3.0/5

SunPower by The Solar Quote

  • Pros icon Prompt Service Delivery
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Energy storage solutions
  • Service icon Home installations
  • Service icon Tailored solutions
  • Service icon Expert panel installation
  • Service icon Integrated roofing
  • Service icon Business installations

Website: http://www.sunpowerbythesolarquote.com/
Address: 2819 W March Ln #154, Stockton, CA 95219
Phone: 8889446765
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Home Networks, Electric & Solar, Inc. (CA)

  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Tailored solutions
  • Service icon Energy storage solutions
  • Service icon Home installations

Website: https://homenes.com/
Address: 838 Charcot Ave, San Jose, CA 95131
Phone: 4082544663
Outstanding Local Installer
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EcoWatch Rating

4.9/5

TN Electrical and Solar Services

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Expert panel installation
  • Service icon Energy storage solutions
  • Service icon Home installations
  • Service icon Tailored solutions

Website: http://www.tnsolars.com/
Address: 1150 Murphy Ave Suite 235, San Jose, CA 95131
Phone: 4082293632
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Silicon Valley Capital Solar Panel Co

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Expert panel installation
  • Service icon Tailored solutions
  • Service icon Skilled repairs
  • Service icon Integrated roofing
  • Service icon Business installations
  • Service icon Home installations

Website: http://solar-sanjose.com/
Address: 1470 Monterey Hwy, San Jose, CA 95112
Phone: 4087151245
Outstanding Local Installer
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EcoWatch Rating

4.9/5

California Glass and Solar

  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Business installations
  • Service icon Home installations
  • Service icon Tailored solutions

Website: http://caglassandsolar.com/
Address: 131A Lost Lake Ln, Campbell, CA 95008
Phone: 4086617747
Outstanding Local Installer
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EcoWatch Rating

4.9/5

SF Green Construction

  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Business installations
  • Service icon Skilled repairs
  • Service icon Home installations
  • Service icon Integrated roofing
  • Service icon Energy storage solutions
  • Service icon Expert panel installation
  • Service icon Tailored solutions

Website: https://www.sfgreen.us/
Address: 2880 Zanker Rd Suite 203, San Jose, CA 95134
Phone: 6693693339
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Skyfox Solar

  • Pros icon Clear Pricing Policy
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Home installations
  • Service icon Integrated roofing
  • Service icon Tailored solutions
  • Service icon Expert panel installation

Website: http://skyfoxsolar.com/
Address: 75 E Santa Clara St #900, San Jose, CA 95113
Phone: 4084618941
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Cobalt Power Systems Inc.

  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Pros icon Informative Resources
  • Pros icon Prompt Service Delivery
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Energy storage solutions
  • Service icon Tailored solutions
  • Service icon Expert panel installation
  • Service icon Home installations
  • Service icon Business installations
  • Service icon Integrated roofing

Website: https://www.cobaltpower.com/
Address: 2557 Wyandotte St, Mountain View, CA 94043
Phone: 6508177791
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Loop Solar Systems

  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Pros icon Free Quotes
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Business installations
  • Service icon Expert panel installation
  • Service icon Tailored solutions
  • Service icon Home installations

Website: https://loopsolarsystems.com/
Address: 2398 Walsh Ave, Santa Clara, CA 95051
Phone: 8777145667
Outstanding Local Installer
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EcoWatch Rating

4.8/5

SunWork Renewable Energy Projects

  • Pros icon Informative Resources
  • Pros icon Free Quotes
  • Pros icon Prompt Service Delivery
  • Pros icon Reliable Customer Support
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Tailored solutions
  • Service icon Expert panel installation
  • Service icon Energy storage solutions
  • Service icon Home installations
  • Service icon Integrated roofing

Website: http://sunwork.org/
Address: 477 Valley Way, Milpitas, CA 95035
Phone: 6505209918
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.8/5

Green Leaf Solar & Electric

  • Pros icon Family-Operated Business
  • Pros icon Clear Pricing Policy
  • Con icon Limited information available on website

Services Offered

  • Service icon Integrated roofing
  • Service icon Home installations
  • Service icon Tailored solutions
  • Service icon Business installations
  • Service icon Skilled repairs
  • Service icon Expert panel installation
  • Service icon Energy storage solutions

Website: https://greenleafsolarelectric.com/
Address: 667 N 12th St, San Jose, CA 95112
Phone: 4086914743
Outstanding Local Installer
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EcoWatch Rating

4.8/5

SolarWorld PanelWorks Palo Alto

  • Pros icon Free Quotes
  • Pros icon Clear Pricing Policy
  • Pros icon Reliable Customer Support
  • Con icon Limited information available on website

Services Offered

  • Service icon Tailored solutions
  • Service icon Expert panel installation

Website: https://solarworld-panelworks-palo-alto.business.site/
Address: 555 Bryant St, Palo Alto, CA 94301
Phone: 6505475770
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Greentech Renewables San Jose

  • Pros icon Informative Resources
  • Pros icon Clear Pricing Policy
  • Pros icon Free Quotes
  • Con icon Limited information available on website

Services Offered

  • Service icon Tailored solutions
  • Service icon Skilled repairs
  • Service icon Home installations
  • Service icon Business installations
  • Service icon End-to-end services

Website: https://cedgreentechsj.portalced.com/
Address: 1930 Junction Ave, San Jose, CA 95131
Phone: 4084365355

Methodology: How We Ranked the Best Solar Companies in Sunnyvale

EcoWatch's solar experts analyzed each solar company in Sunnyvale based on criteria such as its reputation in the industry, customer reviews, services, warranty coverage and financing. Using this solar methodology, we used the data we collected to rate and rank each company and narrow down our picks for the best solar companies in Sunnyvale


Below are some the criteria we examined specifically for California solar companies

  • Brand reputation and certifications (20%): We take each company's Better Business Bureau (BBB) score into consideration, as well as how long the installer has been in business (at least 5 years is required, 10 preferred) and what type of solar certifications it holds.
  • Customer reviews (20%): Trust is a top priority at EcoWatch, so we take customer experience under close consideration. We scour different review sites and customer testimonials when ranking our top solar companies, checking sites such as Trustpilot and Google Reviews. We also consider any potential complaints or lawsuits filed against these companies and award or remove points accordingly.
  • Warranty (20%): A company earns a perfect score in this category if it offers 25-year warranties that cover performance, product and workmanship. The industry standard that we measure companies against is 25-year product and performance warranties, along with a 10-year workmanship warranty. We also look closely into the track record of the post-installation support each company provides in terms of honoring its contracts
  • Solar services (10%): All of the companies we review install solar panels, but we award companies higher points if they offer additional services for customers, like battery installation, energy-efficiency audits, and EV chargers.
  • Pricing and financing (10%): It's hard to get exact quotes for solar projects, but we use marketplace research to determine how each company prices its equipment and installation services. Additionally, companies that offer more help for panel financing — like in-house loans, leases, or PPAs — score higher than those that don't.
  • Availability (10%): The bigger the service area, the higher the company will score.
  • Transparency and accessibility (5%): Solar installers that offer free consultations and easy contact methods score higher in this category.
  • Environmental, social and corporate governance factors (5%): A company earns a perfect score in this category if it offers public data disclosure, addresses end-of-life (EOL) products or processes, and demonstrates a commitment to uplifting the communities that it serves.

The Cost and Benefits of Solar in Sunnyvale

Although solar panels can help save you a decent chunk of change on electricity bills over time, it's important to know the upfront costs. The installation cost is just one important factor you should take into account when looking into getting solar panels. How much it'll cost and how much you can save depend on things such as:

  • How much sunlight your roof gets: If your roof gets limited direct sunlight, your solar system won't be able to make as much energy, which will give you lower savings on electricity bills than someone with a roof that gets plenty of sunlight.
  • Your household's power bills: Based on the high monthly electricity bills in Sunnyvale, you could save about $950 a year with solar.
  • Incentives: The federal solar investment tax credit currently lets you reduce your taxes by 30% of the project cost. Your state and even local utility companies may also have various incentives that you can use. In addition, you can save about $30,000 over 20 years on your utility bills, before factoring in incentives.
  • Choice of solar panels: The kind of solar panels you need will affect your total cost. High-efficiency monocrystalline panels are more expensive upfront but can also save you more money over the lifetime of your system. If space isn't a constraint for your project, you can go with a higher number of more affordable panels.

Even though a solar panel system costs a good chunk of money upfront, it can save you much more in the long term. The question of how much, though, depends on several factors, including the size of your solar panel system and your local electricity rates.

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Solar Incentives in Sunnyvale

Although solar power is typically a big investment, it can save you a significant amount of money in the long term due to reduced utility bills and government incentives. Everyone can take advantage of the federal Solar Investment Tax Credit (ITC), which allows you to claim 30% of how much your solar project cost when you file taxes, lowering the amount of taxes you owe that year. Additionally, there may be some state and city incentives that can save you some extra money too. You can find out about the incentives you can take advantage of in our article on solar incentives

Environmental Impact of Switching to Solar in Sunnyvale

There are a few big reasons why many people are considering solar energy: for the financial and environmental benefits. Many homeowners might be wondering how much exactly they can impact the environment by switching to solar in Sunnyvale, though. The average person has a sizable carbon footprint. Between their car, which produces over 10,000 pounds of carbon dioxide emissions a year, and electricity for their home, it can be overwhelming to figure out what to do. Going solar is a simple thing you can do to help. When you go solar, your carbon emissions can be lowered by about 50 pounds each year. Since solar power is renewable and generates electricity without CO2 emissions, adding solar panels to your home is one easy step you can take to help preserve the environment.

Best National Provider

SunPower

★★★★★
5.0

  • Most efficient panels on the market
  • National coverage
  • Cradle to Cradle sustainability certification
  • Great warranty coverage
  • Expensive
  • Customer service varies by local dealer

Best Regional Coverage

Momentum Solar

★★★★★
4.5

  • Great warranty coverage
  • Representatives are experts on local policies
  • Concierge service ensures steady communication
  • Slightly limited service offerings

Best Warranty Coverage

ADT Solar

★★★★★
4.0

  • Industry-leading warranty coverage
  • Expansive service area
  • Some reported communication issues
  • No leases or PPAs

EcoWatch's Sunnyvale, CA Solar Company Rankings FAQs

Which solar company is the best in Sunnyvale?

In Sunnyvale, Clean Solar is the best local solar company. Our team of experts rates it 4.09 stars, so it's a great choice if you're planning to add solar panels to your home.

What is the negative environmental impact of solar panel manufacturing?

Producing solar panels requires chemicals and produces toxic waste that can be dangerous for the environment, which is the main negative thing about solar panels.

How long does it take for solar to pay for itself?

The average payback period for solar panel installation is about 6.0 years, but the exact period is influenced by local electricity costs, incentives and net metering programs.

How much solar panel capacity do I need for my house?

Solar panel capacity is rated based on the amount of power they generate under standard testing conditions. Since each panel can typically produce about 250 to 400 watts per hour, the average house will need 20 to 35 panels.

Our goal is to reach as many people as we can with sensible solutions like solar energy. Our team of full-time local researchers collects solar price and installation data for every city in America then compiles it to create these digestible city guides. If you want to read our solar expert’s opinion on the top solar companies featured here, follow this link.

Company research was conducted by Melissa Smith and Karsten Neumeister. Local data analysis was conducted by James Savino. See something we missed or could do better? Email the editor.