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10 Best Solar Companies in San Jose, CA

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Written By David Cusick

Last Updated April 2024

A rooftop solar array will provide you with a renewable power source that will eventually pay for itself. Making the switch to solar power allows you to cut your utility bills and lower your environmental impact. But you'll want to find a reputable installation company first. That’s why, after reviewing and analyzing providers, we assembled a guide to the most reputable solar companies in San Jose. These companies offer dependable quality service.

Our Recommended Providers

Top Pick
4.7/5
  • High-quality Maxeon solar panels
  • Nearly 30 years in business
  • Great customer service
Best Solar Panel Leasing
4.2/5
  • Long warranty options
  • Insurance available on panels
  • Free Tesla Power Wall maintenance
Best Customer Service
3.9/5
  • Great customer service
  • Good warranty options
  • Excellent industry reputation

Top 10 Best Solar Companies in San Jose

SunPower

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1414 Harbour Way S, Richmond, CA 94804 (510) 260-8200 us.sunpower.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Panel installation
Battery storage
Consultation

SunPower by The Solar Quote

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2819 W March Ln #154, Stockton, CA 95219 (888) 944-6765 sunpowerbythesolarquote.com

Reliable customer support

Free quotes

Clear pricing policy

Prompt service delivery

Informative resources

Services Offered

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

Clean Solar

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

Clear pricing policy

Free quotes

Informative resources

Prompt service delivery

Reliable customer support

Services Offered

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

Cinnamon Energy Systems

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

Clear pricing policy

Free quotes

Reliable customer support

Informative resources

Services Offered

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

Infinium Solar, Inc.

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

Reliable customer support

Free quotes

Clear pricing policy

Informative resources

Services Offered

System decommissioning
Financing assistance
Panel installation
Battery storage
Solar carports

Highlight Solar

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1624 Remuda Ln, San Jose, CA 95112 (866) 926-9997 highlightsolar.com

Reliable customer support

Informative resources

Free quotes

Prompt service delivery

Clear pricing policy

Services Offered

Financing assistance
Panel installation
Permit assistance
Battery storage

Soleeva

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1918 Junction Ave, San Jose, CA 95131 (833) 820-8080 soleeva.com

Reliable customer support

Free quotes

Clear pricing policy

Informative resources

Services Offered

Battery storage
Panel installation
Cleaning and maintenance
Financing assistance

Sunternal

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5671 Santa Teresa Blvd #105, San Jose, CA 95123 (800) 274-0901 sunternalsolar.com

Informative resources

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Consultation
Permit assistance
Panel installation
Battery storage
Tesla powerwall

Shadowfax Roofing and Solar

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75 Dillon Ave, Campbell, CA 95008 (408) 628-0065 shadowfaxroofing.com

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Battery storage
Skilled repairs
Panel installation
Permit assistance
Consultation

TN Electrical and Solar Services

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

Reliable customer support

Free quotes

Clear pricing policy

Informative resources

Services Offered

Solar panel upgrades
Grid-tied solar system
Consultation
Cleaning and maintenance
Battery storage
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 lower your electricity costs and benefit the planet by reducing your carbon footprint. When deciding if a solar provider is a good fit for you, consider these key factors.

Check Licensing

Hiring a licensed solar installer is critical. This helps ensure that the work is done properly using current installation best practices. There are five different levels of solar contracting licenses in California: boilers, PV electrical, HVAC, thermal, and pool heating. For a contractor to earn a license, an installer must complete a highly comprehensive educational series, gain four years of field experience, and pass written exams.

Read Customer Reviews

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

Compare Multiple Quotes

To find a solar installer that works with your budget, ask for free, detailed quotes from three to five providers. The quotes should outline all costs and list the solar equipment included. Looking at several quotes helps you identify the option that best fits your budget.

Ask About the Warranty

Quality solar installations should come with comprehensive workmanship and performance guarantees. The workmanship warranty covers any installation issues such as poor wiring, cracks in the panels, or poor alignment. The performance guarantee ensures a specific energy output level. Strong guarantees indicate that a solar installer has faith in its installations.

Evaluate Financing and Incentives

Switching to solar power can help decrease your energy expenses over time. Be sure to consider these aspects when determining the cost and value of solar panels.

  • Look into utility rebates: Some energy providers may provide additional discounts to incentivize homeowners to install solar panels. Check the eligibility criteria and rebate amounts offered by your local power company to determine the possible savings.
  • Compare system purchase options: Solar panels may be paid for upfront or financed over time with loans or leases. Confirm key financing details like payment schedule, fees, annual percentage rate (APR), and ownership implications when financing solar panels.
  • Research federal and state tax credits: There’s a 26% federal tax credit available for the full cost of solar systems until 2032. Many states also offer incentives. The credits can result in significant savings for solar buyers.

Cost of Solar Installation in San Jose

In San Jose, solar panels cost an average of $3,470 per kilowatt, with an average system size of 3.0 kilowatts. The typical San Jose homeowner spends $7,249 on their solar array after federal tax refunds. An estimate from a local provider will consider additional information reflecting your desired system's size, required preliminary work, capacity, and panel type. In some cases, homeowners may prefer leasing solar panels to reduce upfront costs.

San Jose 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: Leasing Program

Website: santaclaraca.gov

Incentive Type: Rebate Program

Website: cityofpaloalto.org

Incentive Amount:

Single-family residential gas-displacing systems: $18.59 per therm displaced
Single-family residential electricity or propane-displacing systems: $0.54 per kWh displaced
Multifamily and Commercial gas-displacing systems: $14.53 per therm displaced
Multifamily and Commercial electricity or propane-displacing systems: $0.42 per kWh displaced
Low-Income Multifamily gas-displacing systems: $19.23/therm displaced
Low-Income Multifamily Electric or Propane Displacing systems: $0.56/kWh 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 San Jose, CA

Generally speaking, a solar photovoltaic (PV) system can be used to power any household appliance or system that uses electricity. In the smallest case, you can use a solar water heater.

There are many advantages of home solar energy. You can qualify for tax benefits, save money, and raise your property values. With the right storage equipment, solar panels can also offer you additional energy security 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 lengthy window to install your panels, though they won't reach peak performance until summer arrives.

Yes, you can use home solar energy alongside conventional power sources. In most parts of the country, solar panels are designed to supplement your existing energy sources, meaning that you can reap the environmental benefits and savings of solar energy without having to completely switch over.

The type of solar panels you have will have specific maintenance steps to follow. Regardless of type, you should inspect your panels for damage and clean them regularly. Many solar contractors in the San Jose area offer comprehensive maintenance plans to help you make the most of your panels and keep them healthy for as long as possible.

The best type of residential solar panel will depend on your specific needs and goals. In most cases, monocrystalline solar panels are the most efficient for houses in San Jose. However, if you're looking at a more frugal option, then you may want to consider thin-film or polycrystalline solar panels. When you're choosing a contractor, make sure to ask about the types of solar panels a contractor offers and the benefits and drawbacks of each.

Solar energy can be more efficient than other forms of renewable energy. They have low maintenance costs and today's systems can work in a variety of conditions.

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