Overview
Mary Lake Substation is an operational substation in Minnesota, United States, operated by Wright-Hennepin Cooperative Electric Association. It operates at 69 kV, serving the local electrical grid.
Mary Lake Substation is an operational electrical substation located in Minnesota, United States. It is owned and operated by Wright-Hennepin Cooperative Electric Association, a member-owned electric cooperative serving the region. The substation operates at a voltage of 69 kV, classifying it as a medium-voltage facility within the distribution network. The substation operates under the regulatory framework of the United States, which includes reliability standards set by the North American Electric Reliability Corporation (NERC) and oversight by the Federal Energy Regulatory Commission (FERC) for transmission-level assets. As a cooperative-owned facility, it is subject to state-level utility regulations and cooperative governance. The 69 kV voltage level is typical for sub-transmission or distribution substations, connecting local distribution lines to the broader grid. Mary Lake Substation plays a key role in delivering electricity to the cooperative's members in the surrounding area. Its operational status ensures reliable power supply to residential, commercial, and agricultural customers. The substation's location in Minnesota, a state with significant renewable energy integration, supports grid stability and local energy needs.
Environmental context
The substation is located in a rural area of Minnesota, where the surrounding landscape includes agricultural fields and scattered residential developments. The 69 kV voltage level indicates a medium-scale facility that is part of the local distribution network, with lower environmental impact compared to high-voltage transmission lines. The substation's operation involves standard electrical infrastructure practices, including oil-filled equipment and potential electromagnetic fields, which are managed under environmental regulations.
Frequently asked questions
Mary Lake Substation is located in Minnesota, United States, at coordinates 45.138151, -93.830385. It is operated by Wright-Hennepin Cooperative Electric Association.
Mary Lake Substation operates at a voltage of 69 kV, which is typical for sub-transmission or distribution substations in the United States.
Mary Lake Substation is owned and operated by Wright-Hennepin Cooperative Electric Association, a member-owned electric cooperative serving parts of Minnesota.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for transmission-level assets. State utility commissions also oversee distribution-level facilities.
A 69 kV substation typically steps down voltage from transmission lines to distribution levels, serving local communities and industries. It is a critical node for reliable electricity delivery.