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

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

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

Average Thermalito homeowner saves $2,684/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 Thermalito

When you’re on the hunt for the best solar companies in Thermalito, digging through hundreds of options can be demanding, but it can pay off since switching to solar energy can offer so many good benefits. Plus, eco-conscious government support led to surging numbers of solar companies, setting the ground for a bright and fruitful future in the state.


The cost of installing solar panels can change substantially depending on your home’s infrastructure and your household energy needs.To get an idea of what it could cost to put solar panels on your roof, you can click the button below to get a quote from a certified installer near you.

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EcoWatch Rankings for Solar Companies in Thermalito

Best Local Installer
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EcoWatch Rating

5.0/5

California Builders - Solar Contractor

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

Services Offered

  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance
  • Service icon Consultation

Website: https://solar530.com/
Address: 158 Commercial Ave, Chico, CA 95973
Phone: 5303425402
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Sustainable Energy Group

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

Services Offered

  • Service icon Off-Grid Solar Systems
  • Service icon Skilled Repairs
  • Service icon Battery Storage
  • Service icon Panel Installation
  • Service icon Consultation

Website: http://www.sustainableenergygroup.com/
Address: 420 Sierra College Dr #320, Grass Valley, CA 95945
Phone: 5302734422
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Nationwide Sun

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

Services Offered

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

Website: https://www.nationwidesun.com/
Address: 4470 Yankee Hill Rd Suite 200, Rocklin, CA 95677
Phone: 8555828453
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Sunrise Energy Solutions

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

Services Offered

  • Service icon Skilled Repairs
  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance

Website: http://www.ses-solar.com/
Address: 1780 Vernon St #6, Roseville, CA 95678
Phone: 9167912426
Outstanding Local Installer
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EcoWatch Rating

5.0/5

SUPERIOR SOLAR, INC

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

Services Offered

  • Service icon Panel Installation
  • Service icon Consultation

Website: https://www.superiorsolarinc.com/
Address: 1100 Melody Ln Suite 1006, Roseville, CA 95678
Phone: 8665895626
Outstanding Local Installer
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EcoWatch Rating

5.0/5

Bright Home Services

  • 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 Panel Installation
  • Service icon Consultation

Website: http://www.brighthomeusa.com/
Address: 8690 Sierra College Blvd Ste 160 #351, Roseville, CA 95746
Phone: 9166330044
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Urban Design

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

Services Offered

  • Service icon Grid-Tied Solar System
  • Service icon Skilled Repairs
  • Service icon Permit Assistance
  • Service icon Consultation
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance
  • Service icon Panel Installation
  • Service icon Battery Storage
  • Service icon Solar Carports

Website: https://urbandesignsolar.com/
Address: 4742 Skyway, Paradise, CA 95969
Phone: 5303450005
Outstanding Local Installer
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EcoWatch Rating

4.9/5

California Solar Electric Cooperative Corporation

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

Services Offered

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

Website: https://www.cal-solar.coop/
Address: 149 E Main St, Grass Valley, CA 95945
Phone: 5302743671
Outstanding Local Installer
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EcoWatch Rating

4.9/5

Sunriver Solar

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

Website: https://www.sunriversolar.com/
Address: 11891 Industrial Ct, Auburn, CA 95603
Phone: 8333217866
Outstanding Local Installer
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EcoWatch Rating

4.9/5

California Renewable Energy

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

Services Offered

  • Service icon Financing Assistance
  • Service icon Panel Installation

Website: http://care.green/
Address: 2024 Opportunity Dr Suite 150, Roseville, CA 95678
Phone: 8884148002
Outstanding Local Installer
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EcoWatch Rating

4.8/5

All Around Heating, Air and Solar

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

Services Offered

  • Service icon Skilled Repairs
  • Service icon Cleaning and Maintenance
  • Service icon Panel Installation
  • Service icon Financing Assistance

Website: http://www.allaroundhvacsolar.com/
Address: 3125 Southgate Ln, Chico, CA 95928
Phone: 5305214433
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Climate & Energy Solutions

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

Services Offered

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

Website: https://www.caeschico.com/
Address: 3268 Esplanade A, Chico, CA 95973
Phone: 5303380191
Outstanding Local Installer
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EcoWatch Rating

4.8/5

Capital City 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 Battery Storage
  • Service icon System Decommissioning
  • Service icon Tesla Powerwall
  • Service icon Skilled Repairs
  • Service icon Consultation
  • Service icon Panel Installation
  • Service icon Cleaning and Maintenance
  • Service icon Financing Assistance

Website: https://www.capitalcitysolar.com/
Address: 111 Derek Pl, Roseville, CA 95678
Phone: 9167823333
Outstanding Local Installer
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EcoWatch Rating

4.7/5

Royal Aire Solar, Heating, Air & Water

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

Services Offered

  • Service icon Skilled Repairs
  • Service icon Panel Installation
  • Service icon Financing Assistance

Website: http://www.wecareroyalaire.com/
Address: 2530 Zanella Way Ste A, Chico, CA 95928
Phone: 5308999999
Outstanding Local Installer
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EcoWatch Rating

4.7/5

Prime Home Solutions

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

Website: http://www.primehomesolutions.com/
Address: 2017 Opportunity Dr UNIT 7, Roseville, CA 95678
Phone: 9166777480

Methodology: How We Ranked the Best Solar Companies in Thermalito

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


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 Thermalito

When picking a solar company, most homeowners or business owners wonder about the costs above all.There are several factors you should consider when trying to determine how much it will cost and how much you can save, such as:

  • System size and type: Some models are more expensive than others, so the one you decide on can raise or lower your upfront cost. Plus, the more solar panels you need, the more it'll cost.
  • How much electricity your home consumes: Households that need a lot of electricity each month may need more solar panels and, consequently, be more expensive, but will also save more on their energy bills over time.
  • Incentives: One thing that can reduce the cost of your solar project is the solar investment tax credit (ITC), which is a tax credit that lets you deduct from your taxes a percentage of the project cost. You can also save on your power bills, which can result in an average of $32,000 of savings over 20 years.
  • Whether or not your roof gets a lot of direct sunlight: This, along with how your roof is set up, affects affect how much electricity your solar panels can make.

So is a solar panel system worth it? Whether you want to decrease your energy bills, greenhouse gas emissions or both, solar panels are a good investment for many Thermalito homeowners.

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Solar Incentives in Thermalito

If you’re planning on switching to solar energy, a variety of government incentives and solar rebates can immensely reduce your project costs and expedite the return on your investment.Regardless of what state you live in, you can take advantage of the federal Solar Investment Tax Credit (ITC), which will let you claim 0 of your project costs when you file taxes, lowering the amount of taxes you owe that year. Additionally, there may be some state and city incentives that stack with the ITC too. Our article on solar incentives goes over more information on the incentives you can benefit from in Thermalito.

Environmental Impact of Switching to Solar in Thermalito

There are tons of reasons to switch to solar energy, like saving some money on utility bills and helping to reduce your carbon footprint.Many homeowners might be wondering how much exactly they can impact the environment by switching to solar in Thermalito, though. In a place like Thermalito where commute times can be pretty long, installing solar panels can help help reduce the carbon footprint of being on the road a lot.In Thermalito, the average resident can lower their carbon footprint by 50 pounds a year after going solar. As you can see, investing in solar has so many other perks outside of saving money. One of the major ones is that you can help save the planet too.

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EcoWatch's Thermalito, CA Solar Company Rankings FAQs

Which solar installation company is the best near me?

In Thermalito, California Builders - Solar Contractor is the top local solar company. Our team of experts rates it 5.00 stars, so it's a solid choice if you're planning on installing solar panels on your house.

What are a few of the major pros and cons of installing solar panels?

A few of the biggest pros are that it lowers your electricity bills, it’s eco-friendly, and it can give you a decent return on your investment (ROI). The most notable cons are that solar panels don’t work as well when there’s limited direct sunlight, the startup costs are high and solar panels aren’t always aesthetically pleasing.

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 7.2 years, but the exact period is influenced by the cost of electricity where you are, incentives and net metering programs.

How efficient is a solar panel system?

Solar panel efficiency is the amount of energy from the sun that is converted into electricity. Most panels today have an efficiency rating between 15 and 20%. If your panels are more efficient, you'll need less of them for 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.