Home solar can cut electricity bills in Canada, but how much it saves depends heavily on your province’s electricity prices and on how your utility credits the power you send back to the grid. Here are the basics, and what to check before you ask for quotes.
What it costs
Installed prices for residential systems in 2026 are commonly quoted at about $2.50 to $3.50 per watt before incentives, with variation by province and installer. In round terms, a 6 kW system costs roughly $15,000 to $21,000 and an 8 kW system about $20,000 to $28,000. Adding a battery raises the price considerably. Collect at least three itemized quotes, and make sure each lists the system size in watts, the panel and inverter models, and the warranty.
How net metering works
When your panels produce more than you use, the extra goes to the grid. Under net metering, your utility credits that power, often at or near the retail rate, and the credits are applied to future bills. The rules differ by province and utility. Several provinces, including Ontario, Alberta, Saskatchewan and Nova Scotia, have net metering or similar programs, with different credit rates, size limits and carry-over periods. Some change over time. Reports indicate, for example, that BC Hydro has been changing how exported power is credited in 2026. Some utilities pay out unused credits once a year at a lower rate than the retail price.
That’s why you should confirm the current rules with your utility before choosing a system size.
Provincial and local incentives
The federal Greener Homes Grant and Loan are closed, so most incentives now come from provinces, utilities and municipalities. Some have offered per-watt rebates or low-interest financing, and programs open and close often. Check your province’s energy program and your utility’s website, and ask installers which programs they handle. Our guide to what closed and what is next explains the federal side.
A worked example (illustration only)
Suppose a 6 kW system costs $18,000 and produces 7,200 kWh a year. If your electricity costs 15 cents per kWh and you get full retail credit for everything, the yearly value is about $1,080, so simple payback is about 17 years. A $3,000 rebate would shorten that to about 14 years. A higher electricity price or a cheaper system improves things. If exports earn a lower rate, payback gets longer. These are made-up numbers, so replace them with your own quote and rates.
What to check before you buy
Start with the roof. South-facing and unshaded is best, and the age and condition of the roof matter because panels last decades. Net metering programs often cap system size, so ask about that. Installers should handle utility interconnection and local electrical approvals. Production drops in winter, though cold clear days can be productive. And look closely at warranties, both on the equipment and on the installer’s work, along with the installer’s track record.
Is solar worth it where you live?
It’s a very local question. Where electricity is expensive and net metering is generous, solar can pay back in a reasonable time. Where electricity is cheap, like in provinces with low hydro rates, payback can stretch beyond what many people are comfortable with. Don’t let anyone give you a payback number without showing the assumptions behind it, including the electricity price, the credit rate and the yearly production estimate.
How to read a solar quote
Look for the system size in kW, the expected annual production in kWh, the price per watt, and what’s included: permits, utility interconnection, inverter and any monitoring. Compare the production estimates between installers, because a wide gap usually means different assumptions about shading, tilt or losses. Check the warranty terms for panels, inverter and workmanship. If financing is offered, look at the interest rate and the total cost over the loan, not just the monthly payment.
A few common questions
Do solar panels work in cold weather? Yes. Panels generally perform well in the cold, and snow often slides off or can be cleared safely.
Is a battery worth it? Only if it solves a clear problem, such as frequent outages or a time-of-use price gap. It adds a large cost and rarely pays back on bill savings alone.
Use our Canada calculator to compare solar with other upgrades.