Overview
Antelope Mine Substation is an operational 230 kV substation owned by Rocky Mountain Power in Wyoming, United States. It serves as a critical node in the regional electrical grid.
Antelope Mine Substation is a high-voltage substation located in Wyoming, United States, owned and operated by Rocky Mountain Power. The facility operates at 230 kV, a standard transmission voltage level that connects bulk power generation to distribution networks. As part of the Western Interconnection, this substation plays a key role in delivering electricity from nearby power plants to communities and industries in the region. The substation's 230 kV voltage level places it in the medium-to-high voltage range for transmission infrastructure. Rocky Mountain Power, a subsidiary of PacifiCorp, operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) and adheres to North American Electric Reliability Corporation (NERC) reliability standards. The facility's equipment likely includes circuit breakers, transformers, and switchgear compliant with IEEE and IEC standards, ensuring safe and reliable power flow. Located in a rural area of Wyoming, the substation supports the local mining and energy sectors, particularly the Antelope Mine coal operation. Its strategic position in the grid helps maintain voltage stability and supply continuity for industrial customers. The substation's operational status underscores its ongoing contribution to the region's electrical infrastructure resilience.
Environmental context
The substation is situated in a semi-arid region of Wyoming, characterized by grasslands and coal mining operations. Its 230 kV transmission lines traverse open landscapes, potentially affecting local wildlife and vegetation. Electromagnetic fields from high-voltage equipment are managed through standard siting practices. The facility's role in supporting coal-fired power generation links it to broader environmental considerations regarding emissions and land use.
Frequently asked questions
Antelope Mine Substation is located in Wyoming, United States, near the Antelope Mine coal operation. Its coordinates are approximately 43.4622° N, -105.3300° W.
Antelope Mine Substation operates at 230 kV (230,000 volts), which is a standard transmission voltage level used for bulk power transfer across the grid.
The substation is owned and operated by Rocky Mountain Power, a subsidiary of PacifiCorp that provides electricity to customers in the western United States.
As part of the US electrical grid, Antelope Mine Substation must comply with NERC reliability standards and FERC regulations for transmission assets, ensuring grid stability and security.
The substation connects power generation from nearby plants to the transmission network, supporting industrial customers like the Antelope Mine and maintaining voltage stability in the region.