Overview
Mound Substation is an operational electrical substation in Minnesota, United States, owned and operated by Xcel Energy. It handles voltages of 69 kV and 13.8 kV, serving the local grid.
Mound Substation is an operational electrical substation located in Minnesota, United States. Owned and operated by Xcel Energy, it is a key node in the regional power distribution network, stepping down transmission-level voltage for local distribution. The substation operates at two voltage levels: 69 kV (subtransmission) and 13.8 kV (primary distribution). This configuration is typical for substations that connect high-voltage transmission lines to lower-voltage distribution feeders serving residential, commercial, and industrial customers. As part of Xcel Energy's system, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and is subject to Federal Energy Regulatory Commission (FERC) oversight for interstate power transactions. Located in the Minneapolis-Saint Paul metropolitan area, Mound Substation supports grid stability and reliability for the surrounding community. Its role in voltage transformation and power routing is critical for maintaining consistent electricity supply, especially during peak demand periods. The substation's equipment likely includes circuit breakers, transformers, and switchgear compliant with IEEE and ANSI standards.
Environmental context
The substation is situated in a suburban area near Lake Minnetonka, which influences local environmental considerations. Electrical infrastructure in this region must manage stormwater runoff and minimize electromagnetic field impacts on nearby residences. Xcel Energy operates under Minnesota environmental regulations, including those for hazardous materials like insulating oil in transformers. The substation's design likely incorporates spill containment and noise mitigation measures to reduce its footprint in the community.
Frequently asked questions
Mound Substation is located in Minnesota, United States, near the city of Mound and Lake Minnetonka, at coordinates 44.937638, -93.662573.
Mound Substation operates at two voltage levels: 69 kV (subtransmission) and 13.8 kV (primary distribution), typical for stepping down power from transmission lines to local distribution networks.
Mound Substation is owned and operated by Xcel Energy, a major utility company serving customers in the Upper Midwest region of the United States.
As part of the U.S. bulk power system, Mound Substation must comply with NERC reliability standards for grid stability and FERC regulations for interstate electricity transmission. Equipment follows IEEE and ANSI standards.
Substations like Mound transform voltage levels, route power, and provide protection for the grid. They connect high-voltage transmission lines to lower-voltage distribution networks, ensuring reliable electricity delivery to homes and businesses.