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2026
Solar companies in California

Solar companies in California

Discover California's premium selection of top solar companies designed to meet your energy needs. As leaders in environmentally-friendly and sustainable power solutions, these renowned firms are here to provide comprehensive services for both residential and commercial sectors. Harness the benefits of the California sun with our curated list of top solar companies.

Renowned for using cutting-edge technology in their products, these companies strive to deliver cost-effective, energy-efficient and reliable solar systems. Pioneering the solar energy sector, they're experts at installing and maintaining top-notch solar panels, guaranteeing a greener tomorrow.

Within our listing, you'll find California's most trusted solar companies offering custom solutions hand-tailored to fit your unique energy requirements. Backed by years of experience, their quality solutions are a testament to their commitment towards renewable energy.

Whether you're seeking to reduce your carbon footprint, or looking to noticeably decrease your utility bills, our list of leading solar companies in California is the solution. Trust our selection and make your move towards clean, inexhaustible solar energy today.

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Spruce Finance
Spruce Finance
Spruce Power offers affordable renewable energy solutions to 52,000+ US customers, specializing in battery solutions, system expansion, & fleet management, with 100+ partners across 16 states.
1 (16+ reviews)
San Francisco, California
SolarNexus
Solar Nexus offers innovative software and professional services for contractors to scale and enhance efficiency in the solar industry. Streamline sales, project design, and fulfillment with ease.
0 (0 reviews)
San Francisco, California
Red Dipper, LLC
Red Dipper provides top-notch solar & electrical contracting services in San Francisco, specializing in solar design, installation, & maintenance for residential & commercial clients.
0 (0 reviews)
San Francisco, California
MJR Industries Pvt Ltd
Leading solar solutions provider in Gujarat offering EPC, O&M for rooftop solar systems, energy consultations, & 24/7 technical support with a focus on quality & customer satisfaction.
0 (0 reviews)
San Francisco, California
On Q Solar Services
On Q Solar Services provides O&M support and technical services to solar developers and asset managers, boasting 50 years of experience and expert-trained teams for optimal solar performance.
0 (0 reviews)
San Francisco, California
Carbon Lighthouse
Optimize your commercial real estate portfolio with Carbon Lighthouse's data-driven platform, generating $20k-$40k per 100k sq. ft & increasing revenue. Experience fast payback & expert on-site support.
5 (1+ reviews)
San Francisco, California
UnThink Solar
Boost your solar business with UnThink Solar's specialized marketing services including public relations, content marketing, branding, web design, and social media engagement for B2B and B2C Solar-Plus companies.
0 (0 reviews)
San Francisco, California
AYS Solar Cleaning
AYS Solar Cleaning offers top-quality solar panel cleaning, bird proofing & inspections, ensuring safety, efficiency, & sustainability. Silver-Status awarded service!
0 (0 reviews)
San Francisco, California
UMA Solar - San Francisco
UMA Solar - San Francisco
UMA Solar, a leading solar technology provider with 40+ years of experience, offers high-quality solar solutions for residential & commercial projects in the US, Canada, & Caribbean.
0 (0 reviews)
Benicia, California
American Solar Corporation
American Solar Corporation
American Solar offers SUNPOWER solar systems, energy storage, and electric pool heating for residential and commercial properties, ensuring performance and longevity with top components.
2.6 (21+ reviews)
Sausalito, California