Alliant Energy had been studying replacing the high-pressure sodium light bulb casting a yellowish-orange glow on downtowns and residential streets around Iowa with a more efficient, brighter white ...

And it will have taken about eight years in all to swap out all of those old-style streetlights across Mankato with high-efficiency LED lights. It was the summer of 2017 when a private electrician ...

CEDAR RAPIDS - Alliant Energy has begun to replace the first of about 12, its high-pressure sodium streetlights with LED ones here and in 58 other communities in its Cedar Rapids metro service area.

The city of Philadelphia has a great many plans to reduce its municipal energy consumption in the name of staving off climate change. These include ambitious but obvious initiatives like purchasing ...

Wickliffe is embarking on an ambitious city-wide project which will see all of the city’s streetlights replaced with more energy-efficient LED lighting. The nearly 1,600 streetlights within the city’s ...