Top 10 Best Solar Companies in San Jose, California
We feature leading solar energy companies specializing in system design and installation. Selection is based on expertise, sustainability, and high-quality equipment.

Kingdom Solar
First Street, San Jose, California- Solar rooftop panel installation
- Add solar panels
- Solar Installation
- See More
We offer a full range of services from solar installation, home battery storage, system maintenance and repair, electrical service panel upgrades, ele More Detail
TN Electrical and Solar Services
Murphy Avenue, San Jose, California- Solar Installation
- Circuit breaker installation
- Electricians
- See More
TN Electrical and Solar Services specializes in clean energy and energy storage systems. Solar installers you can trust. We take pride in providing to More Detail

Cinnamon Energy Systems
University Avenue, San Jose, California- Solar panel cleaning
- Solar system installation
- Add solar panels
- See More
Bay Area's Premier Solar, Storage and Home Electrification Company providing prompt, direct, no-nonsense home and commercial services since 2001. * So More Detail
Sandbar Solar & Electric
Mission Street, San Jose, California- Solar system installation
- Add solar panels on roof
- Solar Installation
- See More
Sandbar Solar & Electric helps homeowners, businesses, and organizations save money and the environment through the efficient installation of solar po More Detail
California Glass and Solar
Lost Lake Lane, San Jose, California- Rooftop solar shingles cleaning
- Rooftop solar panel cleaning
- Gutter Services
- See More
Our company specializes in Solar Panel Cleaning and Maintenance. History Established in 2007. Woman owned and operated. We specialize in solar More Detail

Simmitri, Inc.
San Ignacio Avenue, San Jose, California- Solar Installation
- Add to existing system
- Solar rooftop panel installation
- See More
Simmitri is a Silicon Valley Solar company with a unique approach to energy management. Since 1995, Simmitri continues to serve thousands of satisfied More Detail

Green Leaf Solar & Electric
North 12th Street, San Jose, California- Electrician
- Solar shingle installation
- Electric panel installation
- See More
Green Leaf Solar & Electric provides quality residential and commercial services designed to meet your specific needs. With over 40 years experience p More Detail
Home Networks, Electric & Solar, Inc. (CA)
Charcot Avenue, San Jose, California- Commercial or Residential Wiring
- Home Automation
- Low Voltage Cabling
- See More
We are a collaboration of tradesmen: Electricians EVSE Charging Stations ES - Energy Storage Tesla Certified Installer Tesla Powerwall Installer Sunpo More Detail
Greentech Renewables San Jose
Junction Avenue, San Jose, California- Hardware Stores
- Safety Equipment
Solar supply chain service center facilitating the local solar energy market. More Detail
American Renewable Energy
Stockton Avenue, San Jose, California- Solar system installation
- Solar system repair
- Rooftop solar shingles cleaning
- See More
Here at American Renewable Energy We Strive for you to have the highest quality materials & service so you are satisfied when we are finished. We come More Detail
Frequently Asked Questions
Your roof should have enough sunlight exposure, minimal shade, and be in good condition. Homes in states with net metering incentives or high electricity rates benefit the most from solar. A solar provider can conduct a site evaluation to check feasibility.
The average cost ranges from $10,000 to $30,000 after incentives. The price depends on panel type, energy needs, and local tax credits. Many companies offer financing or leasing options to lower upfront costs.
If your panels don’t meet your energy needs, you can:
- Add more panels if space allows
- Use battery storage for excess power
- Stay connected to the grid to supplement energy usage
To make sure this issue does not occur, ask the provider to properly size the system before installation.
Most panels last 25-30 years with minimal maintenance. Cleaning the panels 1-2 times a year and checking for debris or shading issues keeps them running efficiently. Some companies offer monitoring systems to track performance as well.
Yes! The federal solar tax credit (ITC) allows you to deduct 30% of installation costs from your taxes. Many states also offer rebates, net metering, and solar renewable energy credits (SRECs). We recommend checking local programs before investing.
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