The Pros and Cons of Solar Energy

Key Insights: Pros and Cons of Solar Energy

• Solar power cuts electricity bills by replacing grid power with electricity you generate at no ongoing cost: the higher your province's electricity rate, the more each kilowatt of solar generation saves you.
• Payback period: 7 to 15 years for most Canadian homeowners, depending on province and local electricity rates.
• Federal incentive programs change frequently: always check current provincial and municipal programs before planning your budget around any rebate.
• A roof nearing the end of its useful life should be addressed before solar installation.
• Battery storage is optional, not required: a grid-tied system without a battery still generates savings, but you will lose power during outages unless storage is added.

In this guide, you'll read about:

1. Pros and Cons of Solar Energy: An Overview
2. Solar Power Advantages
3. Drawbacks of Solar Energy
4. Solar Incentives and Rebates in Canada
5. Should I Get Solar Energy for My Home?
6. Find a Solar Pro on HomeStars
7. Frequently Asked Questions

Pros and Cons of Solar Energy: An Overview

Solar photovoltaic (PV) panels convert sunlight into electricity that powers your home. In most provinces, surplus electricity can be sent back to the grid in exchange for bill credits through net metering. The case for solar comes down to long-term savings, lower emissions, and a degree of energy independence. The case against it comes down to high upfront cost, a payback period that stretches years, and site-specific constraints that not every home will meet.

Below is a summary of the solar energy pros and cons most relevant to Canadian homeowners.

Pros	Cons
Lower electricity bills over time	High upfront installation cost
Reduced greenhouse gas emissions	Long payback period (7 to 15 years)
Protection against rising electricity rates	Performance depends on weather and roof orientation
Potential increase in home resale value	Roof must be assessed and in good condition first
Provincial incentives and net metering available	Battery storage is a large separate investment

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Solar Power Advantages

Solar panels deliver value in more than one way. The financial case is the most obvious, but the benefits extend to emissions, rate protection, and property value.

Lower Electricity Bills Over Time

Once installed, solar panels generate electricity at no ongoing fuel cost, which directly offsets what you would otherwise buy from your utility. How much you save depends on your system size, your province's electricity rates, and how much of the generation you use on-site rather than exporting to the grid. In provinces with higher rates, including Ontario, Nova Scotia, and Prince Edward Island, the financial case for solar is stronger than in lower-rate provinces like Quebec or Manitoba, where cheap hydro power makes it harder for solar to compete.

For a detailed breakdown of what installation costs and long-term savings look like, see the solar panel installation price guide on HomeStars.

Lower Greenhouse Gas Emissions

Solar panels produce no emissions during operation. For homes currently drawing on coal-sourced or natural gas grid electricity, switching a portion of consumption to solar meaningfully reduces the household carbon footprint. Manufacturing panels does require energy and materials, but most systems offset those production emissions within 1 to 4 years of use.

Protection Against Rising Electricity Rates

Electricity rates across Canada have trended upward, and that is not expected to reverse. A solar system locks in a portion of your electricity supply at no ongoing fuel cost, which gives you more control over your monthly bill regardless of utility rate changes. Ontario saw its largest rate increase in years in late 2025, which has improved the financial case for solar in that province noticeably.

Increased Home Resale Value

A well-maintained solar system with remaining useful life is generally viewed as an asset by buyers, particularly in markets where electricity costs are high. Canadian and US research on the topic consistently shows that solar systems add to resale value, though the amount varies by region, system age, and how buyers in that market perceive solar.

Drawbacks of Solar Energy

Solar is not the right fit for every home or every budget. These are the constraints worth understanding before you get to the quote stage.

High Upfront Cost

A full residential solar PV system in Canada is a significant upfront purchase. Costs vary based on system size, roof complexity, and location. Even with provincial incentives, the out-of-pocket cost for most homeowners is substantial, and the investment only makes financial sense if your electricity usage, roof conditions, and local rates align.

Weather and Climate Dependency

Solar panels need sunlight to generate electricity. In Canada, that means production peaks in summer and drops considerably in winter, particularly in provinces with short days and extended cloud cover. This does not rule out solar in northern or overcast regions, but it does affect how the numbers work out. Calgary and Edmonton actually rank among the sunniest cities in Canada despite their northerly location, while coastal BC and much of Atlantic Canada see more persistent cloud cover.

Roof Suitability Requirements

Not every roof is a strong candidate for solar. South-facing slopes at roughly 15 to 40 degrees deliver the best results in Canada. Flat roofs can work with tilted mounting systems, but this adds to the project cost. A more pressing issue for many homeowners is roof age: if your roof needs replacing in the next five to ten years, most solar pros will recommend dealing with it first. Removing and reinstalling a solar system for a roof replacement adds $3,000 to $5,000 to the cost. See our roof replacement cost guide if you need to assess where your roof stands.

Long Payback Period in Canada

The upfront cost is recovered through electricity savings over time, but that takes years. Most Canadian homeowners see payback periods of 7 to 15 years, with variation by province. High-rate provinces like Ontario and Nova Scotia tend toward the shorter end of that range. In Quebec and Manitoba, where electricity is among the cheapest in North America, payback periods can push beyond 15 years, which makes the financial case harder to justify.

This matters if you are planning to move. A system that is only a few years old at time of sale may not have recovered its cost yet, though it should still contribute to the listing price.

Battery Storage Requires Additional Investment

The most common solar setup for Canadian homeowners is a grid-tied system, which sends surplus electricity to the grid in exchange for net metering credits. This works well in provinces with favourable credit rates, but it also means you still lose power during a grid outage unless you have a battery. Adding battery storage is a separate investment, generally running $10,000 to $20,000 installed. Some provincial programs, including in Ontario and BC, offer rebates specifically for battery systems.

Solar Incentives and Rebates in Canada

At the time of writing, provincial and municipal programs are currently the main source of rebates for residential solar installations.

The federal Canada Greener Homes Affordability Program (CGHAP) provides no-cost home retrofits, including insulation and heat pumps, to low-to-median-income homeowners and tenants in participating provinces. Applications go through provincial delivery partners, not directly to the federal government.

Provincial and municipal programs are the main source of incentives for Canadian homeowners. The landscape changes regularly, so confirm current availability with your solar pro before planning your budget around any specific rebate.

Ontario

The Home Renovation Savings Program offers up to $5,000 for solar PV installation and a separate rebate of up to $5,000 for battery storage. One important condition: solar systems rebated under this program must be sized for load displacement only. Net metering is not permitted if you claim the solar rebate. Funding is first-come, first-served.

British Columbia

BC Hydro offers qualifying residential customers up to $5,000 for solar panel installation and up to an additional $5,000 for battery storage. As of June 2026, installations must be completed by a Home Performance Contractor Network (HPCN) member. Check that your installer holds current HPCN membership before signing a contract.

Alberta

Alberta has no province-wide solar rebate. The main financial tool available to most homeowners is CEIP (Clean Energy Improvement Program) financing, which lets you repay solar installation costs through your property tax bill at low interest, with the balance transferring to the new owner if you sell. CEIP is available in Calgary, Edmonton, Banff, Canmore, Medicine Hat, and several other municipalities. Some municipalities also offer their own rebates; amounts and availability vary, so check with your city or a local solar installer for what applies to your address.

Net Metering

Net metering is available in most Canadian provinces. It credits your electricity bill for surplus electricity your panels export to the grid. The credit rate varies by province: some pay at the retail rate, others at a lower wholesale rate. In Quebec and Manitoba, where hydro rates are low, net metering credits deliver less financial value. In Ontario, note that solar systems receiving an HRS rebate are not eligible for net metering.

Should I Get Solar Energy for My Home?

Weighing the pros and cons of using solar energy for your home comes down to three practical questions: does your roof work for it, does the upfront cost fit your financial situation, and is your electricity usage high enough to justify the investment?

Roof Assessment

Start by having a solar pro assess your roof as part of the consultation process. If your roof is more than 15 to 20 years old, a separate roofing assessment first makes sense. Factor roofing costs into your total project budget before making a decision.

Financial Readiness

Run the numbers for your province before signing anything. Key factors to weigh include:

• Current electricity bill: higher monthly costs mean a faster payback from solar
• Available incentives: confirm which provincial programs are accepting applications
• Financing options: some municipalities across Canada offer property-linked financing for energy upgrades, and many installers offer payment plans; ask your solar pro what is available in your area
• Total project scope: if your roof needs work first, factor that into the full cost picture

A longer financing term can reduce monthly carrying costs, but it also extends the time before the system starts paying for itself net of interest.

Electricity Usage

Solar delivers better returns for households with higher electricity consumption. If you have added or are planning to add an electric vehicle, a heat pump, or other high-draw equipment, the case for solar generally improves. Households with low consumption face longer payback periods regardless of other favourable conditions.

Find a solar pro on HomeStars

Find a Solar Pro on HomeStars

HomeStars connects Canadian homeowners with renewable energy specialists near you. You can read reviews from other homeowners, compare profiles, and request quotes directly through the platform.

For a purchase of this size, getting at least two or three quotes is worth doing. Pricing, equipment, and installer experience vary enough that comparing proposals before you commit gives you a clearer picture of what you are actually buying.

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Frequently Asked Questions

What is the difference between off-grid and hybrid solar systems?

Most Canadian homeowners install grid-tied systems, but two alternatives are worth understanding. An off-grid system operates entirely independently of the utility grid and requires enough battery storage to cover periods without sun, making it more common in remote properties than in urban settings. A hybrid system maintains a grid connection but also includes battery storage, letting you store solar energy on-site while keeping grid backup available. Hybrid systems are gaining ground as battery costs decline and grid outage concerns increase, and they qualify for battery rebates in Ontario and BC.

How long do solar panels last?

Most residential solar panels are rated for 25 to 30 years, with manufacturers typically guaranteeing at least 80% of original output capacity at year 25. In practice, many panels continue producing usable electricity beyond that threshold. Other system components have shorter service lives: inverters generally need replacement after 10 to 15 years, at a cost of roughly $1,500 to $3,000. Factor that replacement into your long-term ownership costs when evaluating whether a system makes financial sense.

Do solar panels require maintenance?

Solar panels are low-maintenance compared to most home systems. The main requirement is keeping them clear of debris, heavy snow accumulation, and significant dirt buildup, all of which can reduce output. In many parts of Canada, rainfall handles routine cleaning, but manually clearing panels after heavy snowfall is worth doing during winter months. An annual inspection covering electrical connections, inverter performance, and mounting integrity is a reasonable precaution. HomeStars can help you find a renewable energy specialist in your area who handles post-installation maintenance and system checks.

Will solar panels affect my home insurance?

Adding solar panels changes the replacement value of your home, and your insurer should be notified before installation. Most standard home insurance policies can be updated to cover solar panels, but premiums may increase to reflect the added value. Insurers vary in how they classify rooftop panels: some treat them as part of the structure, others as separate equipment, and the coverage terms differ accordingly. Before installation, confirm with your provider whether your policy covers damage to the panels themselves, damage the panels might cause to the roof, and any liability in the event of an electrical issue.

What should I ask a solar installer before signing a contract?

Questions worth asking include: what equipment brands and models are being proposed and why; whether the installer handles all permits and utility interconnection paperwork; what the warranty covers for both panels and installation labour; and how system performance is monitored after installation. Ask for references from recent projects in your region, and confirm what happens if a panel or inverter fails during the warranty period. HomeStars reviews include verified accounts of completed solar installations, which can give you a useful baseline before you compare proposals.

Can I install solar panels if my roof has limited south-facing space?

Panels do not need to face due south to be worthwhile. East- and west-facing installations generate less power overall but can still be viable, and in some cases splitting production across both orientations provides a more even output across the day. Shading from trees, chimneys, or nearby buildings tends to have a bigger impact on performance than orientation alone. A site assessment will produce a production estimate based on your actual roof geometry and shading conditions, which gives you a much clearer picture than general rules of thumb.