Overview
Tolt Substation is an operational electrical substation owned by Puget Sound Energy in Washington, United States. It plays a key role in regional grid stability and power distribution.
Tolt Substation is an operational electrical substation located in Washington State, United States. Owned and operated by Puget Sound Energy, it serves as a critical node in the regional power grid, facilitating voltage transformation and distribution of electricity to surrounding communities. As a substation within the United States, Tolt Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure grid reliability and security, with compliance requirements for voltage levels, maintenance, and cybersecurity. The facility likely handles medium to high voltage levels typical of distribution substations in the Pacific Northwest. The substation's location in a rural area near the Tolt River watershed underscores its role in serving both residential and industrial customers. Its operational status contributes to the resilience of Puget Sound Energy's network, supporting the integration of renewable energy sources and maintaining power quality for the region.
Environmental context
The substation is situated in a forested region of Washington, near the Tolt River, which is part of the larger Snohomish River watershed. Its operation involves managing electromagnetic fields and potential impacts on local wildlife, though modern substations are designed with mitigation measures. The surrounding area's climate, with heavy rainfall and seasonal storms, necessitates robust infrastructure to prevent outages and ensure grid stability.
Frequently asked questions
Tolt Substation is located in Washington State, United States, near the Tolt River in King County.
Tolt Substation is owned and operated by Puget Sound Energy, a major utility serving the Pacific Northwest.
As a substation, Tolt Substation transforms voltage levels and distributes electricity from transmission lines to local distribution networks, ensuring reliable power supply to nearby communities.
Tolt Substation operates under NERC reliability standards and FERC regulations, which mandate grid security, maintenance, and operational protocols for US electrical infrastructure.
By stepping down high-voltage transmission power to lower distribution voltages, Tolt Substation helps maintain stable electricity flow and supports integration of renewable energy sources in the region.