Streetlights

Streetlight out?

Nearly 4,000 streetlights illuminate highways and city streets in Redmond. Some streetlights in Redmond are owned and maintained by the City, while others are owned and maintained by Puget Sound Energy.

Staff with the Traffic Operations Safety and Engineering Division (TOSE) conduct nighttime surveys every three months to identify streetlight outages. All City and PSE owned lights on arterials and major residential streets are surveyed.  All outages are then repaired.

The City relies a great deal on residents to report streetlight outages on local access residential streets.  Please report these outages using the Service Request system. Repairs are usually complete within two weeks.

So we can more quickly identify the streetlight’s location, please include an address located near the reported light, and the pole number with your report. You’ll find this number at eye level on the pole.

PSE Streetlight Tag    COR Streetlight Tag 
         PSE Tag                City of Redmond Tag
                

Do you feel your street is too dark?

Contact us and we'll see if a new light can be installed.

Contact: 425-556-2701 or Request New Streetlight

Going LED

LED Streetlight Conversion

Crews began converting City owned streetlights from High Pressure Sodium (HPS) to Light Emitting Diode (LED) toward the end of January 2018. Working with McKinstry and Northwest Edison, Redmond’s LED conversion project has installed approximately 950 out of 1700 lights to date. 

The new LED lights will not only use less electricity, but provide a more even distribution of light. They will also last much longer than HPS lights, thereby extending maintenance intervals.

NW Edison Crew       
NW Edison Crew Changing Streetlight

Map
Map of Completed Light Change-out Locations

The project has recently activated a control system that will allow staff to dim the lights to target light levels. Typically, an HPS system is over-designed to compensate for light level reduction to 70% of its original brightness over 4 years. An LED fixture will reduce to a light level of 95% in about 10 years.The control system can also provide reports of light failures to alert crews for response.

Before any citywide dimming application, however, Traffic Operations Safety and Engineering staff will test the dimming capabilities in sample locations to calibrate adjusting power settings of the fixture to the target light output.


Redmond staff testing Control System/Light Meter to compare actual design vs. actual light output

Testing Control System

The project has completed installation of the cobra style fixtures. The remaining box style and other decorative fixtures is anticipated to be complete by the end of the summer. In the meantime, staff will continue fine tune dimming schedules to match the designed target light levels.           

Project Overview


Work to convert all of Redmond's city-owned streetlights to LED is now underway with an estimated completion date of Fall 2018. 

Converting to LED will result in 50 percent lower energy consumption, four times the bulb life vs. high pressure sodium lights--and a much more uniform light distribution pattern. (Talk about a bright idea!)

LED Streetlight Retrofit Info

  • Council staff report and approval December 2016/January 2017
  • Apply for DOC Energy Efficiency Grant in March 2017
  • Project Statistics: Retrofit over 1,750 city owned street lights with LEDs. Includes system controls
  • Annual outcome benefits: $139,985 utility savings; $19,287 material savings; 1,505,212 annual kWh savings; 2,376,835 lbs. CO2 emissions reduction
  • Estimated project cost: $2,076,400. Potential DOC grant of $350,000; PSE rebate of $251,025; $400,000 15/16 energy efficiency program budget; finance the balance

LED Streetlight

To learn more about this technology, visit Redmond LED Streetlights

Contact:   Paul Cho, PE, PTOE
                Senior Engineer, Traffic Operations & Safety Engineering








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