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Earth Hours
3.6 Per Cent Reduction In Mississauga's Electricity During Earth Hour

Apr 01, 2008

Today, the City of Mississauga and Enersource announced a 3.6 per cent reduction in Mississauga's electricity demand during Earth Hour on Saturday, March 29, 2008 from 8 to 9 p.m.

"By 9 p.m., Mississauga's electricity demand dropped by 29 MW (megawatts) to 786 MW, compared with a total demand of 814 MW at the beginning of Earth Hour," said Ward 11 Councillor George Carlson, Environmental Advisory Committee (EAC) Chair. "This is the first year that the City of Mississauga has participated in Earth Hour and I am proud of the hundreds of residents and businesses that took action in the fight against global warming. With the City's ongoing environmental programs and events, we hope to increase awareness and participation within our community in an effort to save our environment everyday."

The reduction that the City achieved is equivalent to 1,450,000 compact florescent light bulbs, rated at 20 watts, being turned off by 9 p.m. Enersource notes that this calculated demand reduction response by Mississauga citizens to the Earth Hour event is likely understated. Based on a demand of 836 MW (22 fewer megawatts), at 8 p.m. on the preceding Saturday, it is reasonable to conclude that many homes and businesses had already taken steps to curb electricity demand before the start of Earth Hour.

For more information about the City of Mississauga's environmental programs and events please visit or Enersource's energy conservation programs please visit

Mississauga is Canada's sixth largest city with a population of more than 700,000. With well-established infrastructure and state of the art facilities, the City is considered to be an employer of choice, delivering quality municipal programs and services to its citizens. Mississauga is a dynamic, diverse, and progressive municipality, known for its economic strength and for being Canada's safest city.


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