Horse Palace at Exhibition Place

Horse Palace, Ontario, Carmanah rooftop solar photovoltaic systemHorse Palace, Ontario, Carmanah rooftop solar photovoltaic systemHorse Palace, Ontario, Carmanah rooftop solar photovoltaic system
Client: 
City of Toronto
Capacity (kW): 
100
Locations: 
Toronto, ON
Commercial Operation: 
2006

In the fall of 2006, Carmanah completed what was then the largest solar photovoltaic installation to date in Canada. This was a pilot project with the goal of determining the ideal installation profile to generate the greatest power performance per square foot at Exhibition Place’s Horse Palace in downtown Toronto.

The 100 kW array is installed directly south of Queen Elizabeth Way, the busiest stretch of highway in Canada. The system’s proximity to the traffic provides an unusual situation with regards to soiling of the solar array. Tilt angle has a significant effect on soiling and overall performance; the steeper the tilt the lesser the effect of soiling as rain and other forms of precipitation ‘self-clean’ the module surface. However, the steeper the array the more space required to eliminate self-shading and the more structural reinforcement required to keep the system in place.

The system, composed of four sub-arrays each feeding their own individual power conversion equipment, was installed. In order to determine the ideal installation profile, each sub-array is different in several ways including the solar module technology, power conversion technology and fixed tilt angle.

This project was the recipient of the 2006 Canadian Solar Industries Association Solar PV Project of the Year award.

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