Tacoma Public Works and Tacoma Public Utilities have launched a joint initiative to replace approximately 75% of the City of Tacoma’s aging street lights with new, energy efficient LED fixtures by the end of 2018.
As part of this project, approximately 75% (16,000 light fixtures) of all City of Tacoma overhead street lights will be upgraded to energy-efficient LED lights by the end of 2018. The existing fixtures, which are high-pressure, sodium currently account for 83% of the total energy used by all street lights in the City of Tacoma. Not every street light in the City will be upgraded at this time. The majority of the fixtures scheduled for replacement are either “cobra head” or “shoe-box” style (see photos below). Ornamental, flood and wall pack lights will not be converted to LEDs at this time.
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PDF versions of the map/schedule – Preliminary versions of the project schedule and maps are available below for anyone unable to access the interactive map above. Once installation begins, these documents will be updated on a weekly basis.
The dim-ability of LED technology allows us to control street light systems to only provide the level of illumination needed at any given time, which is nearly impossible with conventional street lighting.
LEDs allow for a high degree of control over where the light is directed, as opposed to conventional street lamps that shine light in all directions.
Many of our current lights broadcast light into the sky. This type of light, called up-lighting, provides no benefit for street lights that are 30 – 40 feet high and, in fact, actually creates visual problems for nocturnal animals.
LEDs provide greater control over the light distribution, creating more consistent light levels where needed. This minimizes the amount of blue light emitted reducing glare.
LED lighting allows greater visibility at a distance for drivers, creating an extra safety margin by providing between 1.5 – 2 times further coverage than existing street lights.
Because the new fixtures produce less total light, the new LED lights will actually emit less “blue light” than our existing high-pressure sodium light fixtures.
LEDs use 50 – 65% less energy than the fixtures to be replaced (high-pressure, sodium lights)
Lower materials costs - LEDs are more efficient and last much longer than conventional street light lamps.