What Are Peak Sun Hours?
A peak sun hour equates to 1 hour in which the sun’s solar irradiance (sunlight) produces an average of 1000W (energy) per square meter (roughly 10.5 feet). In other words: 1 peak sun hour = 1000 W/m² of sunlight per hour.
How Many Hours of Sunlight Does Canada Get?
Canada experiences an average range of between 3 – 4 peak sun hours per day, with Newfoundland and Labrador experiences the lower end of that spectrum and the interior province of Saskatchewan experiencing the higher end.
| Province | Average Daily Peak Sun Hours (kWh/m2) |
|---|---|
| Alberta | 3.3 |
| British Columbia | 3 |
| Manitoba | 3.2 |
| New Brunswick | 3.5 |
| Newfoundland and Labrador | 3 |
| Nova Scotia | 3.4 |
| Ontario | 3.3 |
| Prince Edward Island | 3.5 |
| Quebec | 3.2 |
| Saskatchewan | 3.2 - 4 |