Seattle City Light recently completed a transformer replacement project at the Shoreline Substation. Crews worked tirelessly to remove the old transformer, prepare the pad for the new transformer and then assembled it. The new transformer was installed, tested, and commissioned and began serving the Shoreline community in late 2016.
For the first time since Ross Dam and its powerhouse went into service in the 1950s, Seattle City Light is replacing the large transformers that convert electricity generated at the powerhouse to higher voltage for transmission to Seattle.
As Seattle City Light replaces 60-year-old transformers at the Ross Powerhouse, Colonial Creek Campground users may see some temporary impacts.
Seattle City Light is installing a new, 480,000 pound transformer as part of upgrades at the East Pine Substation that are designed to make the facility stronger during an earthquake and more reliable as it helps to transmit power from Canada to the West Coast of the United States.
Omega Morgan-Seattle used a special articulated tractor trailer rig to move the 71 ton transformer into the Seattle City Light’s Shoreline Substation.
