Solar Panel Tilt Angle 

https://footprinthero.com/solar-panel-tilt-angle-calculator

Ottawa

Your optimal year-round tilt angle:
33.8° from horizontal
Your optimal tilt angles by season:

• Spring: 33.8°
• Summer: 18.8°
• Fall: 33.8°
• Winter: 48.8°

Your optimal tilt angles by month:

• January: 43.8°
• February: 38.8°
• March: 33.8°
• April: 28.8°
• May: 23.8°
• June: 18.8°
• July: 23.8°
• August: 28.8°
• September: 33.8°
• October: 38.8°
• November: 43.8°
• December: 48.8°

Solar Panel Azimuth Angle 

https://footprinthero.com/solar-panel-azimuth-angle-calculator

Ottawa

Your optimal azimuth angle is true south, which is:
12.7° west of magnetic south

References