Overview
Roche Harbor Substation is an operational electrical substation in Washington, United States, operating at 69 kV. It plays a role in regional grid stability and power distribution.
Roche Harbor Substation is an operational electrical substation located in Washington, United States. The facility operates at a voltage level of 69 kV, which classifies it as a medium-voltage substation typical for sub-transmission and distribution networks. As part of the U.S. electrical infrastructure, it supports local grid reliability and power delivery to surrounding areas. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for bulk power systems. In the United States, substations like Roche Harbor are critical nodes in the grid, facilitating voltage transformation and switching. The 69 kV voltage level is common for regional distribution, connecting higher-voltage transmission lines to local distribution networks. Environmentally, the substation's location in the San Juan Islands region of Washington places it in a rural, ecologically sensitive area. Its operation supports the electrical needs of the Roche Harbor community and nearby areas, contributing to the resilience of the local power supply. The facility's role in grid stability is significant given the island geography, which can pose challenges for infrastructure maintenance and reliability.
Environmental context
The substation is situated in the San Juan Islands, a region characterized by marine ecosystems and temperate rainforests. Its operation involves managing electrical infrastructure in a rural, island setting, where environmental considerations include minimizing habitat disruption and ensuring reliable power supply in a seismically active zone. The 69 kV voltage level indicates a medium-scale facility that integrates with the local distribution network.
Frequently asked questions
Roche Harbor Substation is located in Washington, United States, near the Roche Harbor area in the San Juan Islands.
Roche Harbor Substation operates at a voltage of 69 kV, which is a medium-voltage level used for sub-transmission and distribution in the U.S. electrical grid.
The operator of Roche Harbor Substation is not publicly specified, but substations in the U.S. are typically operated by local utilities or transmission owners subject to NERC reliability standards.
As part of the U.S. bulk power system, Roche Harbor Substation is subject to NERC reliability standards and FERC regulations, ensuring grid stability and security.
A 69 kV substation serves as a node in the electrical grid, stepping down voltage from higher transmission levels for local distribution, and providing switching and protection functions to maintain reliable power supply.