Frontier Substation - North Dakota Electrical Substation Operated by Minnkota Power Cooperative

Frontier Substation is an electrical substation located in North Dakota, United States, and is operated by Minnkota Power Cooperative. The facility is operational and serves as a key node in the regional transmission grid, handling multiple voltage levels including 230 kV, 115 kV, and 69 kV. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and is subject to Federal Energy Regulatory Commission (FERC) oversight for transmission-level assets. The voltage levels indicate its role in both high-voltage transmission (230 kV) and sub-transmission/distribution (115 kV and 69 kV), typical for a substation serving a mixed urban-rural area. As part of Minnkota Power Cooperative's network, Frontier Substation supports the delivery of electricity to member cooperatives and end-users in the region. Its location in North Dakota places it within a region with significant wind energy resources, and the substation likely plays a role in integrating renewable generation into the grid. The facility's operational status ensures continued reliability for the local power supply.

The substation is situated in a rural area of North Dakota, a region characterized by flat terrain and agricultural land. The local environment is subject to extreme weather conditions, including cold winters and occasional severe storms, which can impact grid reliability. The substation's design and maintenance practices are likely adapted to these conditions to ensure consistent operation.