- Leaside
- Also solar electrical work
52/100 SolarPanelFinder Score
5/6 details published5 of 6 details published
Best Solar Panel Repair & Maintenance Companies in Toronto & the GTA
Last updated By The SolarPanelFinder Rooftop Desk
What it costs4 solar panel repair companies serve Toronto and the GTA, compiled August 2026.
42 Google reviews · median 5★ · typical professional solar maintenance service, Canada $150–$400 per year (CAD), per Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026)
- Brampton
- Also solar panel repair and maintenance
38/100 SolarPanelFinder Score
5/6 details published5 of 6 details published
- Leslieville
- Also solar panel repair and maintenance and commercial solar installation
35/100 SolarPanelFinder Score
6/6 details published6 of 6 details published
4 solar panel repair companies cover Toronto and the GTA here, at a median 5★ across 42 Google reviews. Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026) puts professional solar maintenance service, Canada at $150–$400 per year (CAD). Order comes from one published score across reviews, what each company states on its own site, and how complete its record is. No company buys a position.
Every row names its source
Toronto pricing for solar panel repair and maintenance
Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026) puts professional solar maintenance service, Canada at $150–$400 per year (CAD), and ongoing operations and maintenance, larger arrays at 0.2%–1% of system cost per year (CAD) (Green Building Canada, What Commercial Solar Panels Cost in Canada 2026). Posted figures normally exclude HST. The two headline rows are below; the remaining 1 line items, each naming its own source, are on the cost guide.
| Item | Typical range | Unit | Source |
|---|---|---|---|
| Professional solar maintenance service, Canada | $150–$400 | per year (CAD) | Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026) |
| Ongoing operations and maintenance, larger arrays | 0.2%–1% | of system cost per year (CAD) | Green Building Canada, What Commercial Solar Panels Cost in Canada 2026 |
Arithmetic, not opinion
How does SolarPanelFinder rank solar panel repair companies?
No position is for sale. The score is one number out of 100: a review-weighted Google rating, what a company states about itself, and how complete its record is. The formula, in full.
Calculators
Price the job before you call anyone
Each of these works out a number from figures you enter, and names every source it uses on screen.
Questions to ask your installer
- Is the diagnostic fee credited against the repair if I go ahead? Service call pricing
- Do you service my inverter brand, and can you still source parts for it?
- Is this fault covered by a manufacturer warranty, and will you file that claim?
- What does a removal and reinstall involve on my system if the roof needs work? Removal and reinstall costs
- Do I get a written report with the readings, not just a verbal summary?
Frequently asked questions
Toronto and the GTA: what is solar panel repair and maintenance running to?
- Green Building Canada, Solar Panels Cost in Canada (updated 14 Jan 2026) puts professional solar maintenance service, Canada at $150–$400 per year (CAD), and ongoing operations and maintenance, larger arrays at 0.2%–1% of system cost per year (CAD) (Green Building Canada, What Commercial Solar Panels Cost in Canada 2026). Those figures normally exclude HST. Every line item and its source sits in the solar panel repair & maintenance cost guide.
How do I choose a solar panel repair company in the GTA?
- Get three itemized written quotes and read what differs between them, not just the total. SolarPanelFinder lists 4 solar panel repair companies at a median 5★, the middle company sitting on 10 reviews. Ask each one for proof of licence and insurance, plus recent local addresses you can call. SolarPanelFinder does not check licences or insurance.
Which permits apply to solar panel repair and maintenance in Ontario?
- An ESA permit and inspection for the electrical work, usually a municipal building permit for a roof-mounted array, and an application to Toronto Hydro, Alectra or Elexicon to connect to the grid. Who files each one is set out on our Ontario incentives and approvals page. Ask before you sign.
Can a company pay for a higher spot on SolarPanelFinder?
- No. Order comes from one published score out of 100: a review-weighted Google rating, what each company states about itself on its own site, and how complete its record is. Money changes nothing. The formula is published on our methodology page.
Elsewhere on this site
What should you read next?
The other Greater Toronto Area categories on SolarPanelFinder, plus what this work costs.
More than solar panel repair and maintenance? See the whole directory
This site does not take quote requests and passes nothing to anyone. Every profile shows the company's own phone number and website, so you contact whoever you want to, directly.