Best Solar Installers in Toronto & the GTA (2026)

Toronto and the Greater Toronto Area represent Canada’s largest residential solar market — and with Ontario electricity rates jumping 30% in late 2025, demand for solar installations has never been higher. Finding the best solar installers in Toronto and the GTA for 2026 means choosing companies with Electrical Safety Authority (ESA) licensing, experience with Toronto’s building codes, and the ability to navigate Ontario’s HRS rebate program. We researched dozens of companies to curate this directory of verified, top-rated installers.

Solar in Toronto: What to Know Before You Install

Utility: Toronto Hydro (City of Toronto), Alectra Utilities (905 areas), Hydro One (rural GTA).

Average system cost: $2.75-$3.75 per watt installed. A typical 8 kW residential system costs $22,000-$30,000 before incentives.

Provincial incentives:

• Home Renovation Savings (HRS) Program: Up to $5,000 for solar PV + $5,000 for battery storage ($10,000 total)
• Ontario net metering: Full retail-rate credits for surplus electricity
• ULO rate plan: 3.9c/kWh overnight, 39.1c/kWh peak — massive arbitrage with battery storage
• HRS requires load displacement configuration (not standard net metering)

Solar resource: Toronto averages 4.0-4.5 peak sun hours daily.

Permits: ESA electrical permit required. Some Toronto neighbourhoods may require Heritage Conservation District approval.

Condo/multi-unit: Strata/condo board approval is required. The City of Toronto Solar Directory provides additional resources.

Best Solar Installers in Toronto & the GTA (2026)

Terawatt Solar

• Years in Business: 10+ years serving the GTA
• Certifications: ESA licensed electrical contractor
• Service Area: Toronto, GTA, across Ontario
• Specialties: Residential solar, battery storage, HRS program specialist
• Notable: Deep HRS rebate expertise. 8-year labour warranty.
• Website: terawattsolar.ca

Polaron Solartech

• Years in Business: Established national presence
• Certifications: ESA licensed, multi-province
• Service Area: Toronto, GTA, Ontario, Alberta, Nova Scotia, PEI
• Specialties: All-inclusive packages (design, financing, installation)
• Notable: Canada’s largest residential solar company, 3,500+ installations.
• Website: polaronsolar.com

Antech Electric

• Years in Business: Established GTA contractor
• Certifications: ESA licensed, master electrician team
• Service Area: Toronto, GTA
• Specialties: Residential/commercial solar, EV chargers
• Notable: All electrical work in-house, no subcontracting.
• Website: antechelectric.com

New Dawn Energy

• Years in Business: Established GTA installer
• Certifications: ESA licensed
• Service Area: Toronto, GTA
• Specialties: Competitive pricing focus
• Notable: Transparent quoting, no surprise costs.
• Website: Available through solar directories

Solar Power Toronto

• Years in Business: Established Toronto-focused
• Certifications: ESA licensed
• Service Area: City of Toronto
• Specialties: Toronto-specific expertise
• Notable: Deep familiarity with Toronto Hydro interconnection and Heritage Conservation District requirements.
• Website: solarpowertoronto.com

Solify

• Years in Business: Established Ontario installer
• Certifications: ESA licensed
• Service Area: Toronto, GTA, southern Ontario
• Specialties: Multi-unit residential
• Notable: Condo and multi-unit specialist. Works with condo boards on shared rooftop solar.
• Website: solify.ca

How We Selected These Installers

• ESA licensing: Valid ESA licenses for Ontario
• Active operations: Functioning websites verified
• Years in business: Minimum 3 years in the GTA
• Customer reviews: Positive ratings across Google, Houzz, BBB
• Service area: All serve the GTA
• Verified projects: Completed residential installations

How to Get the Best Solar Quote in Toronto

1. Get at least 3 quotes.
2. Ask about HRS eligibility. Ensure your installer designs for load displacement.
3. Consider the ULO rate. The 10x arbitrage opportunity changes the economics.
4. Check for panel upgrade needs. Many older homes need 100A to 200A upgrade.
5. Get your free quotes from multiple Toronto installers

Frequently Asked Questions

How much does solar cost in Toronto in 2026?
A typical 8 kW system costs $22,000-$30,000 installed. After HRS rebate, net cost drops to $12,000-$20,000 for solar + battery. Payback as short as 5.5 years.

Can I install solar on a Toronto condo?
Yes, with condo board approval. Companies like Solify specialise in multi-unit projects.

Do I need to upgrade my electrical panel?
Possibly. Pre-1980s homes may need 100A to 200A upgrade ($2,000-$4,000).

Is solar worth it in Toronto?
Yes. Ontario’s high rates and $10,000 HRS rebate make the economics work.