Solar panel output varies with seasons, but with the right routine and setup, you can get strong performance all year. This blog offers clear practical tips for maximizing year-round solar output in Canada.
Winter: Snow & Low Sun Angle
Snow can temporarily reduce production, but:
- Panels are often installed at an angle where snow slides off easily.
- Cold, sunny days produce good electricity (PV efficiency improves in cooler temperatures).
- Safe snow removal: The safest way to remove snow is to let it happen naturally. The reduced production caused by snow is off set by production during the peak season.
Spring and Fall
As daylight is longer and the temperatures are cooler solar panels are very effective during these seasons. Regular rain helps keep the panels clean so you don’t have to worry about climbing up on your roof.
Summer
Longest daylight meaning your panels are producing the maximum amount during summer. Despite the heat slightly impacting efficiency this is when your panels pay themselves off.
Regular Maintenance Tasks
- Visual Inspections if possible to spot for debris, animal nesting or damage if critter guards aren’t installed, and cleanliness are okay.
- Let mother nature or a professional clean your panels if you notice dirt and dust is impacting performance.
- Monitor your system data weekly to spot performance dips and better understand your system.
Optimize with Tilt and Orientation
For fixed rooftop panels, focus on optimizing for annual generation, unless you’re prioritizing specific seasonal output (e.g. more winter production by adjusting tilt).
Use Monitoring to Spot Issues Early
Monitoring platforms show daily energy production and let you spot shading, inverter faults, or module defects quickly. Your Orizon Energy rep will explain the monitoring systems we use pre-install. When defects are detected you have the data to help professionals fix your system in no time.
Safety & Contractor Help
If you are ever unsure, call Orizon Energy for maintenance assistance. Professional Maintenance once a year is a low cost way to preserve long-term output.
Seasonality affects output, but it doesn’t stop solar from being a strong year-round energy source. With common sense maintenance, smart monitoring, and a winter aware plan, homeowners in Canada can enjoy reliable production every season.