Tonight, the National Park Foundation, the official charity of America’s national parks, the National Park Service, and GE Lighting will unveil this year’s holiday LED lighting design for the National Christmas Tree at the 92nd annual National Christmas Tree Lighting ceremony at President’s Park. With more than 60,000 holiday LED lights on the living Colorado blue spruce, it is one of the most notable holiday displays in the United States.

LEDtronics® announced that it helped the Hilton Garden Inn in Washington, D.C., eliminate the time and costs involved in maintaining old, incandescent bulbs on their marquee canopy by replacing them with the latest in lighting technology — LED bulbs

The District of Columbia has selected Citelum to manage and upgrade the city's 71,000 street lights to a state-of-the-art, sustainable system. The District Department of Transportation (DDOT) announced today that it has awarded Washington's streetlight asset management contract to the company, which already manages urban lighting for some of the world's most recognizable cities.