United States
Mayor Ted Wheeler, Elected 2016

Case Studies

The City of Portland has replaced all red and green traffic signal incandescent light bulbs with energy saving LED lights (Light Emitting Diode modules). 13,382 incandescent traffic light bulbs were replaced with LED modules, which save approximately 4.75 million kilowatt-hours per year. This is equivalent to enough energy savings to power over 350 Portland homes each year. The replacement to LED lights saves the city of Portland $335,000 annually in signal power costs.

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