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10 Best Solar Companies in Hillsborough, CA

More than 130 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Year after year, more Hillsborough residents turn to rooftop solar panels to lower their carbon footprint and provide a dependable source of power. Making the transition to solar energy can allow you to save money and lower your carbon footprint, but you want to make sure you find a reputable installer. Luckily, we've reviewed the options and assembled a guide to the best and most reputable solar installation providers in Hillsborough.

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.
Top Pick
4.2/5
  • Long warranty options
  • Insurance available on panels
  • Free Tesla Power Wall maintenance

Top 10 Best Solar Companies in Hillsborough

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Clean Solar

Clean Solar Logo

Our Rating

User Rating

1445 Koll Cir, San Jose, CA 95112 (888) 551-7652 cleansolar.com

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Prompt service delivery

Services Offered

Battery storage
Skilled repairs
Consultation
Tesla powerwall
Financing assistance
Permit assistance
Panel installation

Amy's Roofing and Solar

Amy's Roofing and Solar Logo

Our Rating

User Rating

320 Jewett Rd, Petaluma, CA 94952 (707) 981-9801 amyrs.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Cleaning and maintenance
Financing assistance
Skilled repairs
Panel installation
Battery storage
Solar carports
Solar panel upgrades
Tesla powerwall

Got Watts?

Got Watts? Logo

Our Rating

User Rating

2045 Commerce Ave, Concord, CA 94520 (925) 421-0411 gotwatts.com

Prompt service delivery

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Solar panel upgrades
Financing assistance
Skilled repairs
Battery storage
Permit assistance
Panel installation
Cleaning and maintenance

Cinnamon Energy Systems

Cinnamon Energy Systems Logo

Our Rating

User Rating

809 University Ave, Los Gatos, CA 95032 (408) 883-7000 cinnamon.energy

Reliable customer support

Free quotes

Clear pricing policy

Services Offered

Consultation
Permit assistance
Skilled repairs
Solar panel upgrades
Panel installation
Battery storage
Tesla powerwall
Cleaning and maintenance
Financing assistance

Solar Electric Supply, Inc.

Solar Electric Supply, Inc. Logo

Our Rating

User Rating

108 Whispering Pines Dr #235, Scotts Valley, CA 95066 (831) 462-8243 solarelectricsupply.com

Free quotes

Informative resources

Reliable customer support

Clear pricing policy

Services Offered

Financing assistance
Panel installation
Solar carports
Off-grid solar systems
Grid-tied solar system
Consultation
Battery storage
Permit assistance

Bella Hem Solar, Inc.

Bella Hem Solar, Inc. Logo

Our Rating

User Rating

7556 Windward Dr, Rohnert Park, CA 94928 (510) 629-0790 bellahem.com

Prompt service delivery

Informative resources

Clear pricing policy

Reliable customer support

Free quotes

Services Offered

Panel installation
Consultation
Cleaning and maintenance
Permit assistance
Battery storage
Skilled repairs

Complete Solar

Complete Solar Logo

Our Rating

User Rating

3000 Executive Pkwy Suite 504, San Ramon, CA 94583 (877) 299-4943 completesolar.com

Informative resources

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Battery storage
Permit assistance
Panel installation
Financing assistance
Skilled repairs
Cleaning and maintenance
Consultation

TN Electrical and Solar Services

TN Electrical and Solar Services Logo

Our Rating

User Rating

1150 Murphy Ave #240, San Jose, CA 95131 (408) 229-3632 tnsolars.com

Clear pricing policy

Informative resources

Free quotes

Reliable customer support

Services Offered

Panel installation
Solar panel upgrades
Consultation
Cleaning and maintenance
Grid-tied solar system
Battery storage

Infinium Solar, Inc.

Infinium Solar, Inc. Logo

Our Rating

User Rating

1190 Dell Ave ste o, Campbell, CA 95008 (408) 583-8101 infiniumsolar.com

Free quotes

Prompt service delivery

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

Solar carports
Battery storage
System decommissioning
Financing assistance
Panel installation

Allterra Solar

Allterra Solar Logo

Our Rating

User Rating

125-B McPherson St, Santa Cruz, CA 95060 (831) 425-2608 allterrasolar.com

Reliable customer support

Clear pricing policy

Free quotes

Informative resources

Services Offered

Tesla powerwall
Battery storage
Consultation
Financing assistance
Panel installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on solar companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How To Choose a Solar Company

Installing solar panels can reduce your electricity costs and help the environment by reducing your carbon footprint. When determining whether a solar provider is right for you, consider these key factors.

Check Licensing

Confirm that your solar installer is properly licensed. This ensures that the work is done correctly using the most up-to-date installation methods. There are five different types of solar contracting licenses in California: boilers, PV electrical, HVAC, thermal, and pool heating. To earn a license, an installer must complete a highly comprehensive educational series, gain four years of experience as an apprentice or journeyman, and pass written exams.

Read Customer Reviews

Check Google Reviews, the Better Business Bureau (BBB), TrustPilot, and other review sites to see what past customers have to say about local solar providers. Detailed reviews can help you evaluate a provider's trustworthiness and customer service. Be wary of companies with few or mainly poor reviews.

Compare Multiple Quotes

Get free, detailed quotes from three to five solar companies. The quotes should outline all costs and identify the solar parts included. Comparing several quotes can help you find the most cost-effective option.

Ask About the Warranty

Top-notch solar installations should include strong workmanship and performance guarantees. A workmanship guarantee covers installation defects, such as poor alignment, poor wiring, or cracks in the panels. A performance warranty ensures a minimum energy output. Comprehensive warranties indicate that a solar company believes in its work.

Evaluate Financing and Incentives

Solar energy can help you lower electricity bills over time. Make sure you consider these aspects when considering the final cost and value of solar panels.

  • Look into utility rebates: Local power companies may have extra financial benefits to incentivize homeowners to install solar panels. Review the eligibility criteria and rebate amounts with your local provider to figure out your potential savings.
  • Compare system purchase options: Solar panels can be purchased outright or financed over time through a lease or loan. Confirm all terms when financing, including fees, payment schedule, annual percentage rate (APR), and ownership implications.
  • Research federal and state tax credits: There’s a 26% federal tax credit available for total solar system costs until 2032. Many states also provide incentives. The credits can result in significant savings for solar buyers.

Cost of Solar Installation in Hillsborough

In Hillsborough, solar panels cost an average of $3,470 per kilowatt, with an average system size of 3.1 kilowatts. The typical Hillsborough homeowner spends $7,454 on their solar array after federal tax refunds. An estimate from a local provider will factor in additional information reflecting your desired system's required preliminary work, panel type, capacity, and size. In some cases, homeowners may prefer to lease solar panels to reduce upfront costs.

Hillsborough Solar Incentives Guide

Incentive Type: Property Tax Incentive

Website: boe.ca.gov

Incentive Amount:

100% of system value; 75% of system value exemption for dual-use equipment

Incentive Type: PACE Financing

Website: wrcog.us

Incentive Amount:

Eligible products can be financed for up to 25 years, depending on the useful life of the eligible product.
Minimum financing: $5,000
The financing may not exceed fifteen percent (15%) of the market value of the property, up to the first seven hundred thousand dollars ($700,000) of the property’s market value, and ten percent (10%) of the remaining value of the Property above seven hundred thousand dollars ($700,000) minus any PACE assessment on the propertyThe total amount of any annual property taxes and assessments shall not exceed five percent (5%) of the property's fair market value, determined at the time program financing is approved.

Incentive Type: PACE Financing

Incentive Amount:

Locally determined

Incentive Type: Rebate Program

Website: selfgenca.com

Incentive Amount:

For projects 30 kW or larger, 50% of incentive will be received up-front; 50% will be received based on actual kWh production over the first 5 years. For projects under 30kW, 100% of the incentive will be paid up front.
Incentives will step down over time. See below for incentive amounts.

Incentive Type: Feed-in Tariff

Website: cpuc.ca.gov

Incentive Type: Feed-in Tariff

Website: ladwp.com

Incentive Amount:

$0.17/kWh adjusted by a time of delivery multiplier
Base price will step down over time as certain MW goals are met

Incentive Type: Rebate Program

Website: gosolarcalifornia.ca.gov

Incentive Amount:

Step 1 Incentive Rates (contact utility to determine current incentive levels):
Single Family Residential Incentives:
Systems that displace natural gas: $29.85 per estimated therm displaced
Systems that displace electricity or propane: Funding has been exhausted
Commercial/Multifamily Incentives:
Systems that displace natural gas: $20.19 per estimated therm displaced
Systems that displace electricity or propane: $0.42 per estimated kWh displaced *** Note, funding has been exhausted in this category for SCE and PG&E
Solar Pool heating: $5.00 per estimated therm displaced

Incentive Type: Personal Tax Credit

Website: ecowatch.com

Incentive Amount:

30% federal tax credit for systems placed in service after 12/31/2021 and before 01/01/2033. Good for: solar water heat, solar photovoltaics, biomass, geothermal heat pumps, wind (small), fuel cells using renewable fuels.

Frequently Asked Questions About Solar in Hillsborough, CA

A solar photovoltaic (PV) array can generate power to run any electric system or appliance in your home. A more specific example is installing a solar water heating system.

There are many advantages of home solar energy. You can save money, raise your property values, and qualify for tax benefits. With the right storage equipment, solar panels can also provide you with further energy independence and offer some protection from power outages.

It depends on your location and the kind of panels you plan to use. With the winter months in California being very mild, you have a wide time window to install your panels, though they won't hit peak performance until summer arrives.

Your payback period is the time to achieve an ROI on your solar panels. It will vary based on their rated capacity, the rate your utility charges per kilowatt of power, and the average sunlight in your area. Hillsborough has extremely high daily sunlight levels, so you could recoup your investment in as little as 7.1 years per 5 kW of rated capacity.

Yes, solar panels will still be able to provide you with energy during a grid outage. To ensure that your solar system is able to keep working during a power outage, make sure to choose a quality solar provider and look for a solar system that includes a battery backup.

Regarding taxes, the federal government offers a tax credit of up to 30% of the panels' cost. Depending on where you live, you could also claim or apply for state or property tax incentives. Regarding insurance, your monthly premium may be slightly higher because solar panels increase your property's value. You should speak with your accountant or insurance agent for information specific to your case.

Solar panels are gaining wider adoption for their low upkeep costs and high efficiency under a variety of conditions. Depending on how much sunlight your property receives, you may find they're the best performing source of renewable energy compared to others.

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