So, Earth Hour has come and gone.  Electricity utilities reported that consumption during the hour in Ontario dropped by 5%.  Ottawa’s power consumption.

In Ottawa, Public Works and Government Services Canada (PWGSC), the government’s landlord, turned off architectural lighting and signage on most government buildings, including the Peace Tower on Parliament Hill and many businesses and individuals participated.  According to Ottawa Hydro, electricity consumption in Ottawa dropped by 4%, a significant drop given that lighting only accounts for about 14% of the electricity used in the city.

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