15 Best Solar Companies in Piedmont, CA (2024 Reviews)

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

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

Average Piedmont homeowner saves $2,798/year with solar panels

By EcoWatch Local Advisors

Data Analysis: James Savino

Ranking Methodology: Karsten Neumeister

Updated February 01, 2024

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 Piedmont

As a homeowner or business owner in Piedmont, you may be planning on switching to solar energy and curious about the best solar companies in your local area. Solar could be a great choice since it has lots of perks. Solar panels can be expensive, but the switch will save you money on your energy bills over many years. In fact, you can potentially save about $33,000 over 20 years.


In this article, we’ll review the top Piedmont solar installers so you can make the best decision for your home’s renewable energy needs.We suggest shopping around to get multiple quotes and comparing them to figure out which is the best installer for your home. To get free quotes from trusted solar installers in Piedmont, click the link below.

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 for Leasing

Sunrun

★★★★★
4.0

  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch Rankings for Solar Companies in Piedmont

Best Local Installer
ecowatch badge icon

EcoWatch Rating

4.5/5

SunPower Corporation

  • Pros icon Informative Resources
  • 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 Residential Panels
  • Service icon Financing Assistance
  • Service icon Consultation
  • Service icon Battery Storage

Website: https://us.sunpower.com/
Address: 1414 Harbour Way S, Richmond, CA 94804
Phone: 5102608200
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

SunPower by The Solar Quote

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

Services Offered

  • Service icon Commercial Panels
  • Service icon Maintenance
  • Service icon Residential Panels
  • Service icon Battery Storage
  • Service icon Consultation

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

EcoWatch Rating

3.0/5

SunPower Elite Dealer - Impact

  • 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 Residential Panels

Website: https://www.sunpowerquotenow.com/
Address: 3558 Round Barn Blvd, Santa Rosa, CA 95403
Phone: 7076151929
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.8/5

CivicSolar, Inc

  • 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 Residential Panels
  • Service icon Commercial Panels

Website: https://www.civicsolar.com/
Address: 304 12th St #3b, Oakland, CA 94607
Phone: 8004092257
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.8/5

SolarUnion

  • 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 Maintenance
  • Service icon Skilled Repairs
  • Service icon Full-Service
  • Service icon Battery Storage
  • Service icon Solar Panel Upgrades
  • Service icon Commercial Panels
  • Service icon Residential Panels
  • Service icon Consultation

Website: https://www.solarunion.com/
Address: 1700 Montgomery St Suite 108, San Francisco, CA 94111
Phone: 8888156633
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.9/5

Got Watts?

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

Services Offered

  • Service icon Commercial Panels
  • Service icon Skilled Repairs
  • Service icon Residential Panels
  • Service icon Maintenance
  • Service icon Financing Assistance
  • Service icon Solar Panel Upgrades
  • Service icon Battery Storage

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

EcoWatch Rating

3.0/5

GRID Alternatives

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

Services Offered

  • Service icon Residential Panels
  • Service icon Commercial Panels
  • Service icon Battery Storage

Website: http://www.gridalternatives.org/
Address: 1171 Ocean Ave UNIT 200, Oakland, CA 94608
Phone: 5107311310
Outstanding Local Installer
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EcoWatch Rating

4.5/5

Solar Technologies

  • 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 Commercial Panels
  • Service icon Consultation
  • Service icon Battery Storage
  • Service icon Tesla Powerwall
  • Service icon Financing Assistance
  • Service icon Residential Panels
  • Service icon Energy Efficiency Audit

Website: https://solartechnologies.com/
Address: 14 Beta Ct, San Ramon, CA 94583
Phone: 9259613756
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Save a Lot Solar

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

Services Offered

  • Service icon Commercial Panels
  • Service icon Battery Storage
  • Service icon Permit Assistance
  • Service icon Residential Panels
  • Service icon Off-Grid Solar Systems

Website: https://www.savealotsolar.com/
Address: 1201 Tenth St, Berkeley, CA 94706
Phone: 8338765272
Outstanding Local Installer
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EcoWatch Rating

3.0/5

Source Energy

  • 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 Residential Panels
  • Service icon Commercial Panels
  • Service icon Financing Assistance
  • Service icon Consultation
  • Service icon Solar Panel Upgrades

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

4.4/5

solarXperts

  • 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 Residential Panels
  • Service icon Commercial Panels

Website: http://www.solarxperts.net/
Address: 2150 John Glenn Dr Suite 250, Concord, CA 94520
Phone: 8336997378
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.8/5

Bay Valley Solar Roofing

  • 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 Residential Panels
  • Service icon Commercial Panels
  • Service icon Skilled Repairs
  • Service icon Battery Storage
  • Service icon Emergency Services
  • Service icon Financing Assistance

Website: https://www.bayvalleyroofing.com/
Address: 1820 Arnold Industrial Way Ste A, Concord, CA 94520
Phone: 9254286614
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

3.0/5

A1 Sun, Inc.

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

Services Offered

  • Service icon Permit Assistance
  • Service icon Solar Panel Upgrades
  • Service icon Residential Panels
  • Service icon Battery Storage
  • Service icon Off-Grid Solar Systems
  • Service icon Maintenance

Website: http://www.a1suninc.com/
Address: 1455 Fourth St, Berkeley, CA 94710
Phone: 5105265715
Outstanding Local Installer
ecowatch badge icon

EcoWatch Rating

4.2/5

High Definition Solar

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

Services Offered

  • Service icon Residential Panels

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

EcoWatch Rating

4.8/5

Green Air

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

Services Offered

  • Service icon Skilled Repairs
  • Service icon Financing Assistance
  • Service icon Battery Storage
  • Service icon Consultation
  • Service icon Residential Panels
  • Service icon Maintenance
  • Service icon Emergency Services

Website: http://www.gogreenair.net/
Address: 3953 Industrial Way, Concord, CA 94520
Phone: 9252847336

Methodology: How We Ranked the Best Solar Companies in Piedmont

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


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 Piedmont

For most homeowners, whether or not to invest in a solar energy system comes down to the cost.Some main factors that affect the cost of installing solar panels on your home and how much it could save you over time are:

  • Incentives: The federal solar investment tax credit currently lets you lower your taxes by 0 of the project cost. Your state may also have incentives and rebates that you can benefit from. Plus, you can save about $33,000 over 20 years on your utility bills, before factoring in incentives.
  • Choice of solar panels: The type of solar panels you get will affect your total cost. High-efficiency monocrystalline panels are more expensive upfront but can also lead to more savings over the lifetime of your system. If space isn't a constraint for your project, you can opt for a higher number of more affordable panels.
  • The amount of sunlight your roof gets: This, plus your roof configuration, affects affect how much power your solar panels can produce.
  • Electricity consumption: The average home in Piedmont doesn’t use much energy, and so may not see as many savings on their power bills.

There are several wonderful benefits of solar even with the upfront cost of installation. It can help the environment and your bank account. In addition, it can raise the value of your home, resulting in even more benefits if you decide to sell your home later.

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Solar Incentives in Piedmont

Adopting solar power has lots of considerable benefits. Not only can it help preserve the planet, but you can also save a good amount of money on your installation with various government incentives.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 back after buying solar panels. Take a look at our article on solar incentives to see what incentives you can benefit from.

Environmental Impact of Switching to Solar in Piedmont

Lots of people want to do their part to help protect the environment, which in many cases is the chief reason for installing solar panels.But – how much exactly can you help the planet by using solar power? How much energy you use is a key factor to think about. The more power your household consumes, the greater your impact when you make the switch to solar power.Although solar panel production emits carbon dioxide, the panels make up for it by significantly reducing the amount of CO2 you would have been responsible for if you still used nonrenewable energy. In Piedmont, you can reduce your carbon footprint by 50 pounds a year with solar panels. The good things about solar power are abundant — just like solar power is! That's why so many people have been happy with committing to solar.

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 for Leasing

Sunrun

★★★★★
4.0

  • Expansive service area
  • Many financing options
  • Some reported issues with customer service
  • Some reported issues with door-to-door sales

EcoWatch's Piedmont, CA Solar Company Rankings FAQs

Which solar company is the best in Piedmont?

In Piedmont, SunPower Corporation is the best local solar company. Our team of experts rates it 4.50 stars, so it's a good choice if you're planning to add solar panels to your house.

What is the negative environmental impact of solar panel manufacturing?

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

Is it worth installing solar panels on my house?

Solar panels call for a significant upfront investment that will cost you several thousands of dollars, but whether or not solar panels are worth it depends on a range of factors like how much you pay for electricity and how much direct sunlight your roof gets.

How often do solar panels need to be replaced?

Although the average lifespan of solar panels is 25 to 30 years, that doesn't mean they stop working completely. What this means is the amount of energy they produce will have decreased significantly after that point. You can opt to replace them once you've had them for that long or you can continue to use them at a lower efficiency after that time.

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.