Is Solar Worth It in Alberta?

This is the question every homeowner asks, and you deserve a straightforward answer. Solar is a significant investment, and it does not make financial sense for everyone. Here is an honest analysis of when solar works well in Alberta and when it might not.

The Short Answer

For most Alberta homeowners with reasonable electricity consumption, a south-facing or near-south-facing roof, and a long-term ownership plan, solar is a strong financial investment with a payback period of 7 to 12 years for residential, or as low as 5 years for commercial with current incentives and 15+ years of essentially free electricity afterward. But the details matter.

How Solar Returns Work

Solar generates returns in two ways:

1. Avoided electricity purchases: Every kilowatt-hour your panels produce that you consume directly is a kilowatt-hour you do not buy from the grid. At current all-in rates of approximately $0.15 to $0.22/kWh, this is the most valuable use of your solar energy.
2. Export credits: Surplus energy exported to the grid earns net billing credits at approximately $0.35/kWh. In Alberta, the export rate is currently higher than the consumption rate, which is unusual and favourable for solar owners.

Payback Scenario: Typical Calgary Home

Consider a typical scenario for a Calgary homeowner:

• System size: 10 kW (approximately 22 panels)
• Installed cost: $25,000
• Annual production: 13,000 kWh
• Self-consumption: 40% (5,200 kWh at $0.18/kWh avoided = $936)
• Export: 60% (7,800 kWh at $0.35/kWh credit = $2,574)
• Total annual savings: approximately $3,510
• Simple payback: approximately 7.1 years

This scenario assumes current rates. If export rates decrease or electricity prices increase, the payback shifts accordingly. The key takeaway is that at current Alberta rates, the payback is favourable.

What Happens After Payback

After your system pays for itself, it continues producing electricity for another 15 to 20 years with minimal maintenance. Over a 25-year system life with the scenario above, the total electricity value produced is approximately $75,000 to $90,000 on a $25,000 investment. Even accounting for panel degradation (0.3% to 0.5% per year), the long-term return is substantial.

Export Rates: The Alberta Advantage

Alberta's current export rate of approximately $0.35/kWh is one of the best in Canada for residential solar. This rate is tied to the regulated rate option and can change over time. A reduction in the export rate would lengthen payback periods, while an increase would shorten them.

It is worth noting that the export rate has been volatile in Alberta due to the deregulated electricity market. While the current rate is favourable, it is prudent to run payback calculations at different rate scenarios (e.g., $0.20/kWh, $0.25/kWh, $0.35/kWh) to understand your range of outcomes.

Electricity Cost Trends

Alberta's electricity prices have trended upward over the long term due to generation fleet transitions, carbon pricing, transmission and distribution cost increases, and growing demand from data centres and electrification. While short-term prices fluctuate, the long-term trend supports the case for solar: every year electricity costs more, your solar production becomes more valuable.

When Solar Makes Strong Financial Sense

• High electricity consumption: Homes using 700+ kWh per month benefit most because there is more consumption to offset.
• Good roof orientation: South, southwest, or southeast-facing roofs with minimal shading maximize production.
• Long-term ownership: If you plan to stay in your home for 10+ years, you capture the full payback and years of free electricity.
• Upcoming EV purchase: Adding an EV increases your electricity consumption significantly, making the solar investment even more valuable.
• Rising electricity costs: If you believe electricity costs will continue to increase (which historical trends support), solar is a hedge against those increases.

When Solar Might Not Make Sense

Solar is not the right choice for every home. Consider holding off if:

• Your roof needs replacement: If your roof is near end-of-life (20+ years old for asphalt shingles), replace the roof first. Removing and reinstalling solar panels adds cost and complexity.
• Heavy shading: If large trees or adjacent buildings shade your roof for most of the day, production will be significantly reduced. Partial shading can be mitigated with microinverters, but full shade makes solar impractical.
• Very low consumption: If your household uses less than 400 kWh per month, the savings may not justify the investment unless you plan to add an EV or electrify other systems.
• Short-term ownership: If you plan to sell within 3 to 5 years, you may not recoup your investment, though solar does add to home resale value.
• North-facing roof only: North-facing panels in Alberta produce roughly 30% to 40% less than south-facing, significantly extending the payback period.

Solar and Home Value

Research consistently shows that solar-equipped homes sell faster and for a premium compared to similar homes without solar. The premium varies, but studies in North American markets have found that solar adds the equivalent of several years of electricity savings to a home's resale value. In Alberta's market, a solar system signals lower ongoing costs and can be a differentiator for energy-conscious buyers.

Key Takeaways

• Typical residential payback in Alberta is 7 to 12 years. Commercial projects with federal incentives can achieve payback in 5 years, with current export rates potentially shortening this
• After payback, you benefit from 15+ years of free electricity production
• Alberta's export rate of $0.35/kWh is currently one of the best in Canada
• Solar makes the most sense for homes with good sun exposure, moderate-to-high consumption, and long-term ownership plans
• Address roof condition, heavy shading, or very low consumption before investing in solar
• Solar consistently adds value to homes at resale