Sun Hours and Solar Potential in Toronto, Canada

Latitude

43.6532°

Longitude

-79.3832°

Solar Overview

Annual solar irradiation in Toronto totals approximately 2,194 sun hours, peaking during July. The 43.65° latitude location ensures relatively steady solar production, with seasonal fluctuations of approximately 25-35%. Solar installations in Toronto are moderately productive, making them viable especially for offsetting high electricity costs.


Geographic Impact

Toronto's location at 43.6532° latitude and -79.3832° longitude plays a crucial role in determining solar production patterns. The moderate latitude ensures that winter sun angles remain above 30°, providing viable year-round production without extreme seasonal fluctuations.


Rating Methodology

Solar potential in Toronto is rated "Average" based on detailed evaluation of irradiation levels (2,194 hours), temperature conditions (10.5°C), and seasonal patterns. Cold conditions boost panel output due to improved electrical conductivity, making this climate favorable for solar generation. The workable solar resource in Toronto requires careful system design but can deliver worthwhile energy and cost savings.

Understanding the Data

The graph below demonstrates seasonal solar production patterns in Toronto. Solar production shows notable seasonal variation, with summer months providing 42% and winter delivering 16% of annual energy. This seasonal pattern is typical for locations at this latitude and influences the sizing and economics of solar installations.

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