Overview
Cushman Substation is an operational electrical substation owned by Tacoma Power in Tacoma, Washington, United States, operating at a voltage of 115 kV.
Cushman Substation is an operational electrical substation located in Tacoma, Washington, United States. Owned and operated by Tacoma Power, it serves as a key node in the regional electrical grid, stepping down transmission-level voltage for local distribution. The substation operates at 115 kV, a common voltage level for subtransmission systems that connect bulk power sources to distribution networks. As part of the United States electrical infrastructure, Cushman Substation operates under the regulatory framework established by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These bodies enforce reliability standards for the bulk power system, ensuring grid stability and security. The substation likely employs modern automation and protection systems, such as those based on the IEC 61850 standard, to facilitate remote monitoring and control. The substation plays a critical role in delivering reliable electricity to the Tacoma area, supporting residential, commercial, and industrial customers. Its location in an urban setting underscores its importance for local grid resilience and community service. Tacoma Power, a public utility, operates the substation as part of its commitment to providing safe and affordable power to its customers.
Environmental context
The substation is situated in an urban environment in Tacoma, Washington, near the Puget Sound. The region's climate is temperate with significant rainfall, which can affect substation equipment and maintenance schedules. The facility's operation involves managing electromagnetic fields and potential oil spill risks from transformers, though modern containment measures are typically in place. Its location in a densely populated area necessitates careful planning to minimize visual and noise impacts on the community.
Frequently asked questions
Cushman Substation is located in Tacoma, Washington, United States, at coordinates 47.266876, -122.486460.
Cushman Substation is owned and operated by Tacoma Power, a public utility serving the Tacoma area.
Cushman Substation operates at a voltage of 115 kV, which is typical for subtransmission systems in the United States.
As part of the US bulk power system, Cushman Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
Substations like Cushman step down high transmission voltages to lower distribution voltages, enabling safe delivery of electricity to homes and businesses. They also provide switching, protection, and monitoring functions.