Is solar worth it in Canada given cold winters?

Cold temperatures actually improve panel efficiency. Canada's main solar variables are winter daylight hours and your province's electricity rate. Alberta and Nova Scotia's high rates make solar compelling; Quebec's very low rates make it marginal regardless of sun hours.

Canadian Solar Calculator

How many solar panels does your Canadian home need? Enter your bill and province — get your panel count, costs, and incentives.

Your electricity usage

Monthly electricity bill?

Province?

Panel wattage?

Ontario: 4 peak sun hours • Net metering; some utility incentives available

You need approximately

36 solar panels (14.4 kW)

Monthly usage1,385 kWh

Annual production16,819 kWh

Gross system costC$46,080

Total incentives (est.)−C$6,000

Net costC$40,080

Annual savingsC$2,186/yr

Payback period18.3 years

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How to Use This Calculator

Enter your electricity bill

Enter your average monthly electricity bill in Canadian dollars. Your bill varies seasonally — use a 12-month average, or check your utility's online portal for annual usage. The calculator uses your province's average electricity rate to convert your bill to kWh consumption.

Select your province

Your province determines three critical inputs: the electricity rate used to estimate your consumption, the peak sun hours for solar sizing, and any provincial incentive programs. Alberta has the most active solar market due to deregulated electricity and strong sun; Quebec's very low rates (7c/kWh) make solar less financially compelling even with good production.

How incentives are calculated

The calculator estimates the Canada Greener Homes Grant (up to $5,000 CAD, approximately 15% of system cost) plus any province-specific incentives. Note that the federal Greener Homes Grant programme has had funding pauses — verify current availability at nrcan.gc.ca. Use our dedicated Solar Incentives Calculator for a detailed province-by-province breakdown.

Canadian Solar by Province

Alberta (best economics)

Alberta has the best combination of solar economics in Canada: deregulated electricity market (rates 14-20c/kWh), excellent solar resource (4.8 PSH in Calgary), and micro-generation regulations that credit solar at the full retail rate. No provincial solar grant, but the federal Greener Homes Grant applies. Alberta's 2026 electricity prices are among the highest in Canada, making solar payback periods 8-12 years.

Ontario

Ontario's electricity rate structure is complex (time-of-use, tiered rates) averaging ~13c/kWh. Net metering allows export credits. The province has good solar resource in southern areas (Toronto ~4.0 PSH). The previous MicroFIT programme is closed to new applicants, but net metering through the IESO continues.

British Columbia

BC Hydro's low rates (~13c/kWh) and coastal cloudiness (3.5-4.0 PSH in most populated areas) extend payback to 15-20 years for most systems without incentives. Interior BC (Kelowna, Kamloops: 5.0+ PSH) is significantly better. BC Hydro's net metering programme credits exports at the retail rate.

Quebec

Quebec's extremely low Hydro-Québec rates (~7c/kWh) make residential solar financially marginal in most scenarios. The long dark winters compound this. Commercial and industrial solar may make more sense in Quebec's high-demand periods. Net metering is available but export credits are modest.

Nova Scotia & Atlantic provinces

Nova Scotia has the highest electricity rates in Canada (~17-18c/kWh), making solar financially attractive despite lower sun hours (3.8 PSH). Nova Scotia Power offers net metering. PEI similarly benefits from high rates.

Example

The Leblanc family — Calgary, Alberta

The Leblancs pay C$200/month for electricity at approximately 16c/kWh. Calgary gets 4.8 PSH. They're installing 400W panels.

Monthly billC$200

Rate~16c/kWh

Monthly usage1,250 kWh

Peak sun hours (Calgary)4.8 hrs/day

Result

System size10.6 kW (27 panels)

Gross system costC$33,920

Federal Greener Homes Grant−C$5,000

Net costC$28,920

Annual savingsC$2,400/yr

Payback~12 years

At 12 years payback on a 25-year system, the Leblancs still achieve significant positive returns over the panel lifetime. With Alberta's historically rising electricity prices, the actual payback could be closer to 10 years. The system will generate clean electricity for 25+ years.

FAQ

Is solar worth it in Canada given the cold winters? ▼

Cold temperatures actually improve solar panel efficiency — panels produce more power per hour at -10°C than at +35°C. The challenge in Canada is reduced winter daylight hours and snow coverage. Modern panels are angled to shed snow quickly, and most production losses occur December-February. Annual production figures account for seasonal variation. The bigger factor is your province's electricity rate: Alberta and Nova Scotia's high rates make solar compelling; Quebec's very low rates make it marginal.

What is the Canada Greener Homes Grant? ▼

The Canada Greener Homes Grant offered up to $5,000 CAD for solar installations, plus a $600 energy audit rebate. The programme had a $2.6 billion budget and was paused for new applications as of 2024. A successor programme, the Canada Greener Homes Loan (interest-free loans up to $40,000), has continued. Check nrcan.gc.ca/greener-homes for current status. Many provinces have complementary programmes through their utilities.

How does net metering work in Canada? ▼

Net metering policies vary by province and utility, but generally: excess solar production spins your meter backwards (or credits your account), and you draw from the grid when your panels aren't producing enough. Credits are typically applied at the full retail rate and can carry forward monthly. Annual reconciliation policies vary — some utilities zero out unused credits at year end, others pay out. Alberta uses "micro-generation net billing" which is slightly different. Use our Solar Incentives Calculator for province-specific details.

Should I add a battery in Canada? ▼

Battery storage in Canada is less financially compelling than in Australia or South Africa because most provinces offer good net metering (exporting solar at retail rates), grid reliability is generally high, and battery costs are still significant (~$8,000-15,000 CAD for a 10 kWh system). A battery makes more sense in areas with frequent outages, for backup during ice storms, or for time-of-use arbitrage in provinces like Ontario with high peak rates. The Canada Greener Homes Loan can finance battery storage.