15 Best Solar Companies in Lafayette, CA (2025 Reviews)

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

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

Average Lafayette homeowner saves $2,768/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Updated January 24, 2025

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 Lafayette

Are you looking for energy freedom in Lafayette? Installing solar panels can be a rewarding course of action since you can take advantage of lots of perks when you go solar. One of the pros of residing in Lafayette is you have access to plenty of the best solar panel installation companies in the nation.


There are plenty of installers to consider, but in this article, we’ll help you narrow down your options by recommending some of the best solar companies in Lafayette.Want to know how much it’d cost to install solar panels on your roof? Click "get quote" below to get a free, no-obligation quote from a top-rated Lafayette solar installer.

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EcoWatch Rankings for Solar Companies in Lafayette

Best Local Installer
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EcoWatch Rating

5.0/5

Source Energy

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

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation
  • Service icon Financing Assistance

Website: https://sourcenergy.solar/
Address: 161 N Civic Dr #400, Walnut Creek, CA 94596
Phone: 9253196634
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Solar Bill Review

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

Services Offered

  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Skilled Repairs
  • Service icon Panel Installation

Website: https://solarbillreview.com/
Address: 11501 Dublin Blvd STE 200, Dublin, CA 94568
Phone: 9258332641
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Pac Solar Corporation

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

Services Offered

  • Service icon Panel Installation
  • Service icon Battery Storage

Website: http://pacsolar.com/
Address: 118 Mitchell Blvd, San Rafael, CA 94903
Phone: 4152998989
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Kingdom Solar

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

Services Offered

  • Service icon Panel Installation
  • Service icon System Decommissioning
  • Service icon Permit Assistance
  • Service icon Skilled Repairs
  • Service icon Cleaning and Maintenance
  • Service icon Battery Storage

Website: http://www.kingdomsolar.com/
Address: 2388 Research Dr, Livermore, CA 94550
Phone: 9254818903
Outstanding Local Installer
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EcoWatch Rating

5.0/5

TN Electrical and Solar Services

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

Services Offered

  • Service icon Solar Panel Upgrades
  • Service icon Cleaning and Maintenance
  • Service icon Panel Installation
  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Grid-Tied Solar System

Website: http://www.tnsolars.com/
Address: 1150 Murphy Ave #240, San Jose, CA 95131
Phone: 4082293632
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Amy's Roofing and Solar

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

Services Offered

  • Service icon Solar Carports
  • Service icon Solar Panel Upgrades
  • Service icon Cleaning and Maintenance
  • Service icon Tesla Powerwall
  • Service icon Panel Installation
  • Service icon Financing Assistance
  • Service icon Skilled Repairs
  • Service icon Battery Storage

Website: https://www.amyrs.com/
Address: 320 Jewett Rd, Petaluma, CA 94952
Phone: 7079819801
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Bella Hem Solar, Inc.

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

Services Offered

  • Service icon Cleaning and Maintenance
  • Service icon Consultation
  • Service icon Permit Assistance
  • Service icon Battery Storage
  • Service icon Skilled Repairs
  • Service icon Panel Installation

Website: http://www.bellahem.com/
Address: 7556 Windward Dr, Rohnert Park, CA 94928
Phone: 5106290790
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

5.0/5

Taylor Energy Solar & Batteries

  • Pros icon Reliable Customer Support
  • Pros icon Informative Resources
  • Con icon Limited information available on website

Services Offered

  • Service icon Tesla Powerwall
  • Service icon Panel Installation
  • Service icon Battery Storage

Website: https://www.taylor-energy.com/
Address: 612 Petaluma Ave, Sebastopol, CA 95472
Phone: 7076201367
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Got Watts?

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

Services Offered

  • Service icon Panel Installation
  • Service icon Battery Storage
  • Service icon Solar Panel Upgrades
  • Service icon Skilled Repairs
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance
  • Service icon Permit Assistance

Website: https://www.gotwatts.com/
Address: 2045 Commerce Ave, Concord, CA 94520
Phone: 9254210411
Outstanding Local Installer
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EcoWatch Rating

4.9/5

United Solar Electric

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

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Financing Assistance

Website: https://www.unitedsolarelectric.net/
Address: 4501 O'Hara Ave, Brentwood, CA 94513
Phone: 9256794665
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Ambrose Solar

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

Services Offered

  • Service icon Battery Storage
  • Service icon Permit Assistance
  • Service icon Financing Assistance
  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance

Website: http://www.ambrosesolar.com/
Address: 820 Eubanks Dr Suite A, Vacaville, CA 95688
Phone: 7079998036
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

Infinium Solar, Inc.

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

Services Offered

  • Service icon Battery Storage
  • Service icon System Decommissioning
  • Service icon Solar Carports
  • Service icon Financing Assistance
  • Service icon Panel Installation

Website: https://www.infiniumsolar.com/
Address: 1190 Dell Ave ste o, Campbell, CA 95008
Phone: 4085838101
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

Five Star Solar

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

Services Offered

  • Service icon Panel Installation
  • Service icon Financing Assistance
  • Service icon Consultation

Website: http://www.fivestarssolar.com/
Address: 45 Quinta Ct, Sacramento, CA 95823
Phone: 8557827765
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

Northern Pacific Power Systems

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

Services Offered

  • Service icon Financing Assistance
  • Service icon Battery Storage
  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance
  • Service icon Permit Assistance
  • Service icon Solar Panel Upgrades
  • Service icon Grid-Tied Solar System

Website: https://www.northernpacificpower.com/
Address: 5580 Skylane Blvd Suite B, Santa Rosa, CA 95403
Phone: 7075287652
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Solectric

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

Services Offered

  • Service icon Skilled Repairs
  • Service icon Cleaning and Maintenance
  • Service icon Battery Storage
  • Service icon Panel Installation

Website: http://mysolectric.com/
Address: 3453 Ramona Ave #9, Sacramento, CA 95826
Phone: 9167190074

Methodology: How We Ranked the Best Solar Companies in Lafayette

EcoWatch's solar experts analyzed each solar company in Lafayette 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 Lafayette


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 Lafayette

The cost of installing a solar panel system has decreased greatly in the past few years, but it’s still a large investment for most homeowners.A few main factors that determine the cost of installing a solar panel system on your home and how much money you could save over time include:

  • The type of solar panels you’re thinking of getting: Some cost more, so that will determine your budget for your solar project.
  • Your city: This influences how much sunlight your roof receives, which helps determine how many panels you need.
  • Incentives: Tax-paying citizens who install a solar energy system this year can save 0 of their installation costs by using the federal solar investment tax credit. You can also save about $33,000 on your utility bills over 20 years without incentives.
  • Your power bills: This will determine your savings. In Lafayette, the average resident can save about $1,500 a year on their electricity bills.

Due to solar panels decreasing in cost as well as local and federal solar incentives, they are a cost-effective investment for most homeowners.

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Solar Incentives in Lafayette

If you’re considering making the switch to solar energy, a number of government incentives and subsidies can drastically lower the installation costs and speed up the return on your investment.There are quite a few federal, state and local rebates and tax credits that may earn you anywhere from 0 to 50% of your money in return after buying a solar panel system. You can learn about the incentives you can use in our article on solar incentives

Environmental Impact of Switching to Solar in Lafayette

One of the most compelling reasons to adopt solar energy is to decrease your dependence on nonrenewable energy sources like burning fossil fuels, which are hazardous for the environment.Many homeowners might be wondering how much exactly they can impact the environment by switching to solar in Lafayette, though. One thing you should keep in mind is your overall carbon footprint. For example, if you spend lots of time commuting to work and have an electric vehicle, you can install solar panels on your home to power your EV and therefore help offset your carbon emissions.In Lafayette, the average resident can reduce their carbon footprint by 50 pounds a year after going solar. The great things about solar power are abundant — just like solar power is! That's why so many Lafayette residents have been happy with using solar energy.

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EcoWatch's Lafayette, CA Solar Company Rankings FAQs

What is the best solar panel installation company in Lafayette?

The highest-rated local solar company in Lafayette is Source Energy, with a rating of 5.00 stars.

What is the negative environmental impact of solar panels?

Solar panels can be detrimental for the environment when manufacturers use toxic chemicals when they’re made. Chemicals can make solar panels difficult to recycle safely once they’ve reached the end of their lifespan. Solar panel manufacturing needs a lot of energy as well. The energy payback period is about 1 to 4 years.

How long does it take to see a return on your investment after getting solar panels?

The average payback period for solar panel installation is about 7.0 years, but the exact period varies depending on local electricity costs, incentives and net metering programs.

How efficient are solar panels?

Solar panel efficiency is the amount of energy from the sun that is converted into electricity. Most panels today have an efficiency rating of about 15 to 25%. If your panels are more efficient, you'll need fewer of them to meet your home's energy needs.

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.