The other day I found myself at a loss in the light bulb aisle of my hardware store. I might as well have been shopping for a carburetor. There were too many options with too many symbols and verbiage that I couldn’t decipher (LED, CFL, halogen, lumens, Kelvin, CRI), not to mention all of the various brands (GE, Philips, Cree, EcoSmart — each with its own packaging lingo). Since when do you need an electrical engineering degree to buy a light bulb?
The amber glow of the New York City streetlight is going away. In an energy-saving effort, the city plans to replace all of its 250,000 streetlights with brighter, whiter, energy-saving, light-emitting diode fixtures in one of the nation’s largest retrofitting projects, Mayor Michael R. Bloomberg and the transportation commissioner, Janette Sadik-Khan, said in a news conference on Thursday.
The phasing out is part of the administration’s long-term plan to reduce its greenhouse gas emissions by 30 percent by 2017. Mayor Bloomberg described the switch as a “large and necessary feat” that will save taxpayers money and move the city closer to its sustainability goals. The project is also part of the Transportation Department’s plan for more environment-friendly operations, Ms. Sadik-Khan said. Continue reading
The iconic building that dates to 1916 now features an SSL system from Lumenpulse that reveals the full grandeur of the dome and provides students a revitalized study space.
Lumenpulse has announced a lighting retrofit of the Great Dome at the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts using LED-based luminaires to both highlight the architecture and deliver quality ambient lighting. Boston design firm Sladen Feinstein Integrated Lighting was behind the solid-state lighting (SSL) project located in Building 10 on the MIT campus. Continue reading
The new Public Lighting Authority of Detroit is beginning a three-year plan to rebuild Detroit’s streetlighting system and downsize it to a more manageable 46,000 or so fixtures.
The authority plans to finance its project by borrowing about $210 million. The money would come in the form of a $60-million short-term loan and a $150-million bond issue whose proceeds would repay the loan. Continue reading