Overview
Waterfront Streetcar Rectifier Sub. No. 20 is an operational substation in Seattle, Washington, owned by King County Metro. It supports the city's streetcar network as part of the electrical infrastructure.
Waterfront Streetcar Rectifier Sub. No. 20 is a substation located in Seattle, Washington, United States. It is owned and operated by King County Metro, the regional transit authority. The substation plays a critical role in powering the city's streetcar system, converting alternating current (AC) to direct current (DC) for traction power. As a rectifier substation, it is part of the electrical infrastructure that supports urban rail transit. The facility operates under U.S. regulatory frameworks, including compliance with NERC reliability standards for grid stability and local utility regulations. Typical rectifier substations in transit applications handle medium voltage levels, often in the 600-750 V DC range for streetcar operations. The substation is situated in an urban waterfront area, contributing to the electrification of public transportation in Seattle. Its operation supports reduced emissions and efficient transit services, aligning with regional sustainability goals. The facility's integration into the streetcar network underscores its importance in urban mobility and electrical grid reliability.
Environmental context
Located in Seattle's urban waterfront district, the substation supports electrified transit, reducing reliance on fossil fuels. Its urban setting minimizes land-use impact while contributing to local air quality improvements. The facility's operation aligns with regional climate goals by enabling low-emission public transportation.
Frequently asked questions
Waterfront Streetcar Rectifier Sub. No. 20 is located in Seattle, Washington, United States, near the waterfront area.
It is a rectifier substation that converts AC power to DC power to supply electricity to Seattle's streetcar system, operated by King County Metro.
The substation is owned by King County Metro, the regional transit authority serving the Seattle metropolitan area.
As part of the U.S. electrical infrastructure, the substation must comply with NERC reliability standards and local utility regulations to ensure grid stability and safety.
It provides the necessary DC traction power for streetcars, enabling efficient and low-emission public transportation along Seattle's waterfront corridor.