Solar Calculator Guelph — 2026 Savings Estimate
Guelph receives 2,066 sun hours/year. See how much you can save with solar panels powered by Alectra Utilities electricity rates.
2,066
Sun Hours/Year
$174/mo
Avg Electricity Bill
Alectra Utilities
Primary Utility
8 kW
Avg System Size
Solar Energy in Guelph, Ontario
Guelph is well-positioned for residential solar energy. According to Natural Resources Canada (NRCan) solar irradiance data, Guelph receives 2,066 sun hours per year. With an average monthly electricity bill of $174 from Alectra Utilities, homeowners can see significant savings by going solar.
A typical 8 kW solar system in Guelph produces approximately 1,400 kWh per year, enough to offset a significant portion of average household electricity consumption. You can verify solar potential for your specific address using the NRCan Photovoltaic Potential Map.
The primary utility in Guelph is Alectra Utilities, serving the majority of residential customers. Ontario's time-of-use pricing means solar savings vary by time of day, with peak period offsets providing the highest value. Rates are set by the Ontario Energy Board (OEB).
Individual homeowners are not eligible for the federal Clean Technology Investment Tax Credit (limited by the Canada Revenue Agency to taxable Canadian corporations and REITs). With provincial and municipal incentives, solar panel payback periods in Guelph are typically 10 years on average, with 15+ years of production beyond that.
Electricity Rates in Guelph
Solar Incentives Available in Guelph
No federal tax credit for homeowners in 2026
The federal Clean Technology Investment Tax Credit is limited to taxable Canadian corporations and REIT mutual fund trusts — individual homeowners cannot claim it. The Canada Greener Homes Grant is closed. The Canada Greener Homes Loan stopped accepting new applications on 1 October 2025. Provincial and municipal programs are the routes available to Guelph homeowners.
Ontario Zero-Export Solar Incentive
$100 per kW of solar capacity, up to maximum of $5,000
Ontario Zero-Export Battery Incentive
$300 per kWh of battery storage, up to maximum of $5,000
How Much Can You Save With Solar in Guelph?
Estimates based on 8 kW system, 2066 sun hours/year, and current Alectra Utilities rates. Your actual savings may vary based on roof orientation, shading, and consumption patterns.
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Learn moreData Sources & References for Guelph Solar
- • NRCan Solar Resource Data — Sun hours and solar irradiance for Guelph
- • NRCan Photovoltaic Potential Maps — Address-level solar output estimates
- • Canada Revenue Agency: Clean Technology ITC eligibility — Confirms the credit is available only to taxable Canadian corporations and REITs (business only, not individual homeowners)
- • Ontario Energy Board (OEB) — Current TOU and tiered electricity rates
- • Electrical Safety Authority (ESA) — Contractor licensing and inspection requirements
- • Open Canada: Solar Radiation Data — Annual solar radiation dataset
— Data sources: NRCan, Alectra Utilities, Government of Canada
Guelph, Ontario, Canada (43.54°N, 80.25°W)