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2024

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Best Solar Companies in Ontario

Our Recommended Top 9

We did the research for you!

  • Licensing
  • User Reviews
  • Mystery Shopping Calls

Our goal is to connect people with the best local professionals. We scored Ontario Solar Companies on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

9Reviewed

9Curated

9Top Picks

Learn about our selection process.

Providers

featured provider = Featured Provider

Website
Claremont, CA 91711
  • Commercial
  • Rooftop

Why choose this provider?

Sigway Energy is a family-owned company that develops and installs solar energy management solutions for homeowners and business owners in Ontario. It installs solar systems that help reduce fossil fuel use and increase energy savings. It assists businesses with state and local rebate programs and federal tax credits. Sigway Energy also offers installation of off-grid solar systems, EV chargers installation, solar battery backup storage, generators, and solar attic roof vents. Its owner, William Jennings, is an electrical engineer with over 16 years of experience.

License Verified:

License: 994284

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.8
Google
4.8 / 5 (134)
Yelp
5.0 / 5 (11)
Facebook
5.0 / 5 (3)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
18217 Harley John Road, Riverside, CA 92504
  • Rooftop

Why choose this provider?

The Big Deal Solar Inc. provides various renewable energy services to commercial and residential clients in the Ontario metro. Technicians at this company custom design, develop, and install solar panels. Each system is tailored to the specific requirements to increase production capacity. Its team also assists in removing and remounting solar energy systems. Solar cleaning and maintenance plans are available to increase durability and improve efficiency. Co-owner Larry Carpenter holds the C46 license and OSHA safety certification.

License Verified:

License: 1064475

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.3
Yelp
5.0 / 5 (13)
Google
5.0 / 5 (6)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
780 S Milliken Ave., Ontario, CA 91761
  • Rooftop

Why choose this provider?

Pell Solar is a family-owned and family-operated solar provider that caters to clients in Ontario. It handles solar energy systems installations and maintenance with tailor-made service to its clients. The company has industry-standard technologies, such as solar backup with or without batteries and generators. In addition, It offers tax credits setup assistance. Pell Solar has partnered with multiple brands, including LG, Panasonic, Enphase, SunPower, Qcells, and SolarEdge. The company has been in the industry for 16 years.

License Verified:

License: 949122

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.9
Yelp
5.0 / 5 (59)
Google
4.2 / 5 (10)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
3.8
Responsiveness
Friendliness
Helpfulness
Detail
––

Website
Ontario, CA
  • Commercial

Why choose this provider?

The Solar Panel Doctors serves clients in Ontario. The company provides a wide range of solar panel services, including system installation, repairs, inspection, solar panel cleaning, and solar panel removal. Its technicians work on both residential and commercial properties, employing industry-standard equipment and techniques. The team also helps clients obtain solar panel permits and install panel tilt and fencing systems. Nicholas Anderson, the company's owner, is a solar panel specialist who wants to make a difference in his community.

License Verified:

License: 1039809

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Yelp
5.0 / 5 (23)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
2834 Hamner Ave #464, Norco, CA 92860
  • Rooftop

Why choose this provider?

SolarRepair.com caters to Ontario clients. It installs, repairs, and maintains solar panel systems, as well as offers ground or roof-mounted options. To help property owners avoid power outages, the company sets up battery backup systems and uses Enphase-brand products in projects. It also installs electric vehicle chargers on residential, commercial, and municipal properties. The experts at SolarRepair.com have over 50 years of combined industry experience. One of its members, Garett Kramer, previously held management roles in solar energy firms, like Sunlux and Solarmax Technology.

License Verified:

License: 1083272

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Google
5.0 / 5 (14)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
240 S Indian Hill Blvd, Claremont, CA 91711
  • Commercial
  • Rooftop

Why choose this provider?

HPM Solar is a Claremont-based contractor that serves Ontario residents and small businesses. Its mission is to facilitate energy reduction for customers through solar power installation and services. It designs solar energy systems and performs home upgrades that include installation of dual-pane windows and insulation. The company specializes in grid-tied systems and uses REC, Panasonic, LG, Qcell, Axitec, and Silfab. It has been serving clients since 2010. HPM Solar has completed over 345 projects and produced more than 558 megawatts.

License Verified:

License: 1048126

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Yelp
5.0 / 5 (51)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
10970 Arrow Route, Rancho Cucamonga, CA 91730
  • Commercial

Why choose this provider?

Simply Solar LLC serves families and entrepreneurs in Ontario and the surrounding metros. It plans, designs, and installs sustainable power systems using advanced solar tech provided by Solaria, including the PowerXT400 and the Enphase IQ8+ microinverters. The company also installs batteries and solar power optimizers. It was established in 2013, and it aims to help the state of California achieve net-zero carbon emissions by providing its residents with clean and sustainable energy.

License Verified:

License: 990055

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.6
Yelp
4.5 / 5 (28)
Google
4.7 / 5 (13)
Facebook
5.0 / 5 (6)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
Ontario, CA
  • Battery storage
  • Commercial

Why choose this provider?

Solar Vast designs custom energy and roofing solutions for homeowners and businesses in the Ontario area. It installs solar photovoltaic products using the SunPower Maxeon solar cell, including 24/7 monitoring and support. Clients can track their solar power output and usage through an online platform. The company is a GAF-Certified roofing contractor offering installations, repairs, and restoration of roofs and skylights. Solar Vast has built over 50 megawatts of solar energy systems over a decade of experience in the industry.

License Verified:

License: 965340

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
4.5
Facebook
5.0 / 5 (10)
Google
3.9 / 5 (7)

Professionalism:

We hire mystery shoppers to call our providers anonymously and evaluate them. Providers who respond quickly, answer questions thoroughly, and communicate politely score higher.
5.0
Responsiveness
Friendliness
Helpfulness
Detail

Website
3400 Inland Empire Blvd, Ontario, CA 91764
  • EV Charging Station
  • Battery storage
  • Commercial

Why choose this provider?

Sundance Solar is a residential solar company that serves customers in Ontario and the surrounding areas. It handles all aspects of the project, which involve solar power system design, installation, obtaining permits, and system monitoring. It installs battery energy storage systems that are useful in the evening and during brown-outs and the rainy season. EV charging station installation services are also offered. Sundance Solar uses products from manufacturers with years of industry experience, including Tesla, Enphase, LG, and REC.

License Verified:

License: 1015070

California Electrical Contractors State Licensing Board

Reputation:

We scour the internet for reviews from well-known resources. Each provider is evaluated based on the quality and quantity of their reviews, their presence on multiple review sites, and their average minimum rating.
5.0
Google
5.0 / 5 (4)

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