Find the best solar company in Southwestern Ontario.
28 installers serve this area. Open a profile for contact details, or request quotes and compare real prices for your roof.
Ontario Solar ServicesAilsa CraigView profile →
Radiant ElectricAylmerView profile →
Nature's PowerChathamView profile →
R & D Energy Solutions IncChathamView profile →
Green Apple Electrical Solutions Ltd.Chatham-KentView profile →
Island Green EnergyDelhiView profile →
FowlerSolar (Solar Panel Installers/Repairs)IldertonView profile →
Intech Clean Energy Inc.IngersollView profile →
Toews Power IncKirktonView profile →
AlpineKomokaView profile →
SolereLambton ShoresView profile →
Sunbeam Energy Inc.LeamingtonView profile →
German Solar CorporationLondonView profile →
Irradiance Inc.LondonView profile →
Murray Power and Generation Inc.LondonView profile →
Optimum Solar CanadaMiddlesex CentreView profile →
A1 Solar StructuresOldcastleView profile →
Esei SolarSarniaView profile →
Freakin A Wind & Solar PowerSarniaView profile →
Lakeshore Power SystemsSt ThomasView profile →
Sun Power Generation, Inc.St ThomasView profile →
SolcanStraffordvilleView profile →
Flexible SolarWindsorView profile →
Great Lakes Energy IncWindsorView profile →
Green Sun Rising Inc.WindsorView profile →
Off The Grid Energy SolutionsWindsorView profile →
Solax TechnologiesWindsorView profile →
Ultimate Concept & Designs Ltd.WindsorView profile →
Going solar in Southwestern Ontario.
If your home is in Southwestern Ontario, 28 solar companies are within practical reach of your roof. Most are based in Windsor, London and Chatham, with the rest spread across smaller communities nearby. 18 of them publish full websites, and every profile here links out, so you can read up on a company before you ever pick up the phone.
That is enough competition to compare properly. Three quotes is a sensible minimum, judged in dollars per watt rather than sticker totals.
What a system runs in Ontario
| System size | Planning cost range | Year-one saving | 25-year avoided cost |
|---|---|---|---|
| 6 kW | $16,500 to $19,500 | $1,173/yr | $27,566 |
| 8 kW | $22,000 to $26,000 | $1,564/yr | $36,754 |
| 10 kW | $27,500 to $32,500 | $1,955/yr | $45,943 |
Simple payback on the planning midpoint works out to roughly 15 years at any of these sizes. Planning figures on flagged provincial averages, before incentives, not quotes. The full math and every assumption live in the free calculators.
How your surplus power gets credited
Ontario utilities credit exports at retail with a 12-month carryover, and some rebate programs cannot be stacked with net metering, so ask which path fits. The rules that decide what exported power is worth are in our net metering guide, and they are worth reading before an installer sizes your system.
Questions homeowners here ask
How many solar installers serve Southwestern Ontario?
28 companies currently serve Southwestern Ontario, from national installers to local crews. The busiest home bases are Windsor and London.
What does home solar cost in Ontario?
Plan around $22,000 to $26,000 installed for a typical 8 kW system, before incentives. Your roof, hardware and electrical panel move the number, which is why quotes are compared in dollars per watt.
How do I choose between installers in Southwestern Ontario?
Collect at least three quotes, convert each to dollars per watt, and read the workmanship warranty before the brochure. The company that measures your roof, explains its numbers and answers licensing questions without flinching is the one to shortlist.
Do solar panels make sense in Ontario winters?
Yes. Cold improves panel efficiency and annual estimates already include snow losses. Winter output is lower because days are shorter, and net metering carries summer credits into the dark months.
Installers in nearby areas
Greater Toronto Area (201) · Ottawa & Eastern Ontario (53) · Barrie & Central Ontario (30) · Hamilton & Niagara (29) · Northern Ontario (28) · Kitchener-Waterloo & Guelph (27) · All Ontario areas
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