DOE Snapshot LED Outdoor Area Lighting by Jim Brodrick

Outdoor area lighting is a major contributor to nationwide energy use, and the market segment has been an important player in the transition to SSL. DOE’s CALiPER program has released a new Snapshot report on outdoor area lighting that covers

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DOE Publishes CALiPER Snapshot on LED Downlights

There are many factors that influence product efficacy, but the efficacy trend with LED downlights is concerning. The importance of efficacy gains is not solely related to energy savings. Improved LED package efficiency can simplify thermal management and allow more

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DOE Publishes CALiPER Snapshot on LED Industrial Luminaires

Among the key findings of the Snapshot, which is based on DOE’s LED Lighting Facts®database: • The efficacy of LED industrial luminaires is notably higher than what’s typical of their incumbent counterparts. About 23% of the industrial luminaires listed with

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DOE Publishes New CALiPER Snapshot on Troffers

Among the key findings of the Snapshot, which is based on DOE’s LED Lighting Facts® database: • The efficacy of LED troffers is notably higher than what’s typical of troffers that are fitted with fluorescent lamps. About 10% of the

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DOE Publishes CALiPER Report on the Testing of OLED Luminaires

CALiPER Report 24: Photometric Testing, Laboratory Teardowns, and Accelerated Lifetime Testing of OLED Luminaires, which is the first CALiPER report evaluating the performance of OLED luminaires based on independent procurement and testing. OLED panels, drivers, and transformers are still in

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DOE New CALiPER Snapshot Report on Outdoor Area Lighting

Covers area/roadway luminaires, parking garage luminaires, and canopy luminaires. Outdoor area lighting is a major contributor to nationwide energy use, and the market segment has been an important player in the transition to solid-state lighting. LED outdoor area lighting has

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DOE Publishes New CALiPER Snapshot on TLEDs

Among the key findings of the new Snapshot, which is based on DOE’s LED Lighting Facts® database: • TLEDs now comprise more than 50% of all listed lamps, and more than 10% of all listed products. • TLEDs offer the

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New Report and Upcoming Webinar on OLED Lighting Products

DOE has just released a new market study http://energy.gov/eere/ssl/market-studies on OLED lighting, entitled OLED Lighting Products: Capabilities, Challenges, Potential. A related webinar will be held on July 28 from 1:00 – 2:00 p.m. EDT. Register: https://attendee.gotowebinar.com/register/3849042039264921346 The second report in

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DOE Publishes New CALiPER Snapshot on LED Downlights

Among the key findings of the new Snapshot, which is based on DOE’s LED Lighting Facts® database: • Across all products listed with LED Lighting Facts, average efficacy gains continue to track at about 10 lm/W per year. • The

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DOE Publishes CALiPER Report on Chromaticity Shift Modes of LED PAR38 Lamps

The U.S. Department of Energy’s CALiPER program has released Report 20.5, which is part of a series of investigations on LED PAR38 lamps. The new report builds on CALiPER Report 20.4 by providing a tear-down analysis of its 32 LED

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DOE Report 23: Photometric Testing of White Tunable LED Luminaires

The US DOE has published a caliper snapshot report that finds only meager progress in LED-based MR16 lamps over the course of two years since the agency last published a similar report. New products have improved color rendering but generally

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DOE’s CALiPER Report 23: Photometric Testing of White-Tunable LED Luminaires

The advent of SSL has already brought substantial change to the lighting industry, and one recent development that’s especially intriguing is color-tunable luminaires http://energy.gov/eere/ssl/led-color-tunable-products — that is, luminaires that can change their spectral power distribution (SPD). Although versions of this

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LED MR16 Lamps: Despite Progress, Room to Improve

According to the recent DOE report Adoption of Light-Emitting Diodes in Common Lighting Applications, the installed penetration of LED MR16s and other small directional lamps more than doubled over the past two years, increasing from 10% in 2012 to 22%

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DOE Publishes Long-Term Testing Investigation of Retail Lamps

CALiPER Retail Lamps Study 3.2 focuses on lumen depreciation and color shift in a subset of 15 LED A lamps from CALiPER Retail Lamps Study 3. The lamps were monitored in an automated long-term test apparatus for more than 7,500

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DOE CALiPER Snapshot: LED Outdoor Area Lighting

This report focuses on outdoor area/roadway luminaires, parking garage lumi­naires, canopy luminaires (e.g., those used for gas station fuel pump areas), and outdoor directional luminaires (e.g., flood lights, accent lights, wall packs).1 Although the aforementioned products are grouped together in

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CALiPER Snapshot: Indoor LED Luminaires

DOE’s primary goal in launching the LED Lighting Facts® program was to ensure accuracy in SSL performance claims. But the program also provides a valuable database that now includes more than 17,500 registered LED lighting products. One of the ways

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DOE Publishes CALiPER Application Summary Report on LED MR16 Lamps

The U.S. DOE’s CALiPER program has released an Application Summary Report that focuses on the photometric performance of 27 LED MR16 lamps. Entitled Application Summary Report 22: LED MR16 Lamps, it describes initial performance based on light output, efficacy, distribution,

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DOE Publishes CALiPER Application Summary Report on LED T8 Lamps

It focuses on the bare-lamp performance of 31 linear LED lamps intended as an alternative to T8 fluorescent lamps. Compared to previous CALiPER testing, the LED lamps showed notable performance gains, with the efficacy of many products equivalent to or

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DOE Publishes Special CALiPER Report on Retail Lamps

A special report on LED lamps available through the retail marketplace and targeted toward general consumers. The report follows similar reports published in 2011 and 2012. LED replacement lamps are available through many retail outlets, and CALiPER testing offers insights

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DOE Publishes CALiPER Snapshot Report on LED MR16 Lamps

DOE Publishes CALiPER Snapshot Report on LED MR16 Lamps – This report utilizes the LED Lighting Facts® program’s extensive product database to help industry stakeholders understand the current state and trajectory of the market for that class of products. The

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