Earth Hour 2011

Reports show that the United States topped the Earth Hour participation with an estimated 80,000,000 people, 318 cities and 8 states participating. The Philippines saw participation from 647 cities and towns; over 15 million Filipinos were estimated to have joined in the hour-long lights-off. This was followed by Greece with 484 cities and towns participating, and Australia with 309.
The Canadian province of Ontario, excluding the city of Toronto, saw a decrease of 6% in electricity usage while Toronto saw a decrease of 15.1% (nearly doubled from 8.7% the previous year) as many businesses darkened, including the landmark CN Tower.
Swedish electricity operator Svenska Kraftnät recorded a 2.1% decrease in power consumption from its projected figure between 8 p.m. and 9 p.m. The following hour, the corresponding number was 5%. This is equivalent to the consumption of approximately half a million households out of the total 4.5 million households in Sweden.
According to Vietnam Electricity Company, Vietnam's electricity demand fell 140 MWh during Earth Hour.