Overview
Johannesburg Substation is an operational electrical substation in Michigan, United States, owned and operated by Wolverine Power Supply Cooperative. It operates at 69 kV, serving as a key node in the regional power grid.
Johannesburg Substation is an operational electrical substation located in Michigan, United States. Owned and operated by Wolverine Power Supply Cooperative, the facility plays a role in the regional transmission and distribution network. With a voltage level of 69 kV, it is classified as a medium-voltage substation, typical for sub-transmission and distribution applications in rural and suburban areas. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. As part of the Michigan electric grid, it supports the integration of local generation and load, contributing to grid stability and power delivery to surrounding communities. The facility's location in northern Michigan places it in a region with a mix of residential, agricultural, and industrial loads. The substation's role in stepping down voltage for local distribution is critical for maintaining reliable electricity supply to end-users. Its operation by a cooperative underscores a focus on member-owned, community-oriented service.
Environmental context
The substation is situated in a rural area of Michigan, where the surrounding landscape includes forests and agricultural land. Its operation involves electromagnetic fields and potential impacts on local wildlife, though standard mitigation measures are typically employed. Older switchgear may pose higher environmental risks. The 69 kV voltage level indicates a moderate footprint, with typical environmental considerations including oil containment for transformers and vegetation management along rights-of-way.
Frequently asked questions
Johannesburg Substation is located in Michigan, United States, near coordinates 45.006047, -84.401174.
Johannesburg Substation operates at 69 kV, which is a medium voltage level commonly used for sub-transmission and distribution.
The substation is owned and operated by Wolverine Power Supply Cooperative, a member-owned electric utility.
Substations in the United States must comply with NERC reliability standards and FERC regulations for grid reliability and safety.
A 69 kV substation typically steps down transmission voltage for local distribution, serving as a critical link between high-voltage transmission lines and lower-voltage distribution networks.