LED street lights reduce energy consumption, big cities in the US and Canada push for revision

Because the LED bulb has the advantages of lower energy consumption, relatively low maintenance frequency and long life, many cities in the United States have been promoting the plan in recent years. They need to turn the traditional bulbs such as high voltage lamps and mercury lamps into LED bulbs. The current city Shakopee in Minnesota also plans to switch to LED at the end of 2018. Street lamps.

Many cities in the US switch to LED street lamps (source: US Department of energy)

Shakopee, a city in Minnesota, also plans to switch all 1500 street lights to LED by the end of 2018. Christian Fenstermacher, the engineer responsible for the project, estimates replacement cost of $600 thousand. But the annual energy and maintenance costs will be reduced by $100 thousand per year. The replacement of LED street lamps is expected to last 20 years.

In the cities of St. Catherine, Ontario, Canada, from November 2015 to May 2018, the local government promoted plans to switch 93% of street lights to LED lights, which cost a total of $7 million 150 thousand, but have begun to make a difference in energy efficiency.

According to the statistics of the local government, the cost of energy consumption dropped from 2 million US dollars in 2015 to 1 million 190 thousand in 2017. As for maintenance, it saved 398 thousand US dollars in 2017, more than 350 thousand of the original estimate. Walter Sendzik, mayor of St. Catherine, said the plan would not only save the government, but also the residents will benefit from lighting improvements in the future.

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