The Development of Photovoltaic Resource Maps for Canada

نویسندگان

  • Sophie Pelland
  • Daniel W. McKenney
  • Yves Poissant
  • Robert Morris
  • Kevin Lawrence
  • Kathy Campbell
  • Pia Papadopol
چکیده

We describe the development of new, Web-based maps of insolation and photovoltaic energy potential across Canada. The maps will be made available on the Natural Resources Canada website. They are presented for each month and summed for the entire year, for five different surface orientations: a suntracking orientation and four fixed South-facing orientations with latitude, vertical and latitude ± 15° tilts. The models used to generate the maps are based on 1974-1993 (CERES, Environment Canada) monthly mean daily global insolation data. Insolation values were interpolated over the country in a regular grid (grid size: 300 arc seconds ~10km grid) using thin-plate smoothing splines. The models used are based on position (longitude, latitude) and precipitation (used as a surrogate for cloudiness). Photovoltaic (PV) electricity generation potential for grid-connected photovoltaic systems (in kWh per kilowatt of photovoltaic installed power capacity) was estimated from the radiation models for all fixed surface orientations for each grid cell using standard international values for the performance ratio of gridconnected photovoltaic systems. To demonstrate the value of the models beyond the maps we also developed a database of the photovoltaic production potential of over 3500 municipalities across Canada and produced a ranking of provincial capitals and major cities in terms of PV production potential, and a list of the best “PV hotspot” for each province.

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تاریخ انتشار 2008