Research Proves LED Lighting Improves Flower Growth Compare to HPS Lighting

To prove the advantages of LED lighting in horticultural applications, researchers at the University of Guelph, Canada, tried to find out to what degree LED advancements could benefit greenhouses. The team cultivated three varieties of cut gerbera under both LED

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Chicago Smart LED Street Lighting Installation Underway

The city-wide smart LED street lighting initiative intends to replace over 270,000 existing outdated High-Pressure Sodium (HPS) light fixtures with new energy-efficient LED lights. The project also will install an internet-connected lighting management system that automatically reports outages and other

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HID Lamp Indexes Decline First Quarter 2017 in Year-Over-Year Comparison

NEMA’s shipment index for high intensity discharge (HID) lamps post a decline in shipments in 1Q 2017 compared to 1Q 2016 with sodium vapor posting a 22.4 percent decline, metal halide a 19.6 percent decline, and sodium vapor a 19.2

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DOE Publishes Report on LED Street Lighting’s Impact on Sky Glow

DOE has published the results of a study of the expected contributions to sky glow from converting high-pressure sodium (HPS) street lighting to broader-spectrum (i.e., white light) sources, with specific focus on LEDs, and presents the contributions in a manner

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HID Lamp Indexes Continue Decline in Third Quarter 2016

NEMA’s shipment index for high intensity discharge (HID) lamps continued to decline in the third quarter of 2016. Compared to the same quarter last year, metal halide lamp shipments fell 25.4 percent, sodium vapor lamps decreased by 15.2 percent, and

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Chicago to Replace 270,000 High Pressure Sodium Lights by End of December

The Chicago Smart Lighting Project is designed to enhance public safety and quality of life for all Chicagoans by providing better, more reliable outdoor lighting along with speeding up responsiveness to streetlight service requests. The Smart Lighting Project is being

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Foreverlamp Retrofit Plug-n-Play Lamps

Providing an energy-efficient, plug and play alternative to Metal Halide & High Pressure Sodium Lamps. • 1000W LED Retrofit Lamp for MH • 400W LED Retrofit Lamp for MH • 400W HPS Series for HPS Lamps • 400W LED High

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NEMA Reaffirms ANSI C78.42 on High-Pressure Sodium Lamps

The ANSI Accredited Standards Committee C78 reaffirmed this standard that sets forth the physical and electrical requirements for HPS lamps, to ensure performance and interchangeability. The data given also provides the basis for the electrical requirements for ballasts and ignitors,

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HID Lamp Indexes Close out 2015 Down From 2014

NEMA’s shipments indexes for high intensity discharge (HID) lamps declined in the fourth quarter of 2015 compared to the fourth quarter of 2014. Sodium vapor lamp shipments fell 15.6 percent compared to the same period last year while shipments of

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$1.8 Million LED Streetlight Project Begins in Saginaw, Michigan

The city has started to replace 6,400 city streetlights with LEDs, which is estimated to cost the city $ 1.8 million. Crews have been installing the lights since Jan. 25, 2016, which is expected to be completed within four months.

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DOE Regulatory Decision Affecting High-Intensity Discharge Lamp Industry

The U.S. Department of Energy issued its December 2 decision that mandatory energy conservation standards for high-intensity discharge (HID) lamps are not technically feasible or economically justified. Furthermore, the DOE determined that higher energy conservation standards for HID lamps would

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DOE Publishes Report on Detroit’s Street Lighting Conversion

Entitled Restoring Detroit’s Street Lighting System, the report provides an objective review of the circumstances surrounding the system restoration, the processes undertaken and decisions made, and the results to date. By mid-2013, the year Detroit declared bankruptcy, it was estimated

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Auckland New Zealand Rolls Out Massive LED Streetlight Upgrade

It is replacing 44,000 HPS street lights with energy efficient LED luminaires. Auckland Transport owns more than 100,000 street lights, approximately one third of the country’s total lighting stock. Phase one of the contracts focuses mainly on residential roads which

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Oakland Will Upgrade 30,000 Street Lights with GE LED Fixtures

GE Lighting has announced that the city of Oakland, California is in the process of retrofitting 30,000 street lights with GE Evolve LED Roadway Scalable Cobrahead fixtures. The city is converting high-pressure sodium (HPS) lights that range from 70–400W along

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LED Street Lights Transform California City’s Streets, Cut Energy Use by 65 Percent

Inspired by the successful Los Angeles street lighting upgrade, where many of the city’s 140,000 high-pressure sodium (HPS) street lights were converted to Cree® LED luminaires, San Luis Obispo, California selected Cree, Inc. CREE -0.73% to help improve the city’s

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