City of Edmonton Begins Replacement of Streetlights with Energy Efficient LED Luminaires
Jul 29, 2011 According to Global News, the City of Edmonton has started replacing old sodium-vapour streetlights with new, high-efficiency LED lights. This year they expect to replace 4,500 of the city streetlights and eventually get all 98,000 streetlights retrofit with LED units.
The new lights are 40% more energy efficient and provide more focused area of light that diminishes light pollution.
According to the city, each neighbourhood switched over to the new lights will result reducing electricity bill by $4,300 each year. For every 1,000 lights replaced it's estimated that greenhouse gas emissions will be reduced by 243 tons per year.
LED lights cost about $500 each, about $125 more than traditional lights, but should reduce maintenance costs as the bulbs last three to four times longer.
The city expects to complete the project within several years.
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