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.

Robert Holley, Susan Blake and Rene Oppeneiger, discuss the street lights at Southwest 112th Avenue and 165th Terrace in South Miami-Dade, June 20, 2019. They are opposed to the new LED lights ...

Hyperion high-power horticultural LED grow lights from Plessey provide supplementary lighting in greenhouses, while achieving a 40% energy savings compared to equivalent 600-W and 1000-W sodium grow ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Think back to mixing primary-color paint in grade school ...

Ranchi Municipal Corporation (RMC) and the urban development department are busy preparing a plan to ensure that all roads of the city are lit with LED lights which will replace the sodium vapour ...

Coimbatore: The city corporation replaced 9,973 sodium-vapor lamps with energy-efficient LED lamps in one-and-a-half month, commissioner J Sravan Kumar said here on Wednesday. The civic body is ...

There is no record of 1.61 lakh sodium streetlights, which were replaced with LED lights and fittings in Lucknow since 2017. There is no record of 1.61 lakh sodium streetlights, which were replaced ...