Overview
St. Francois Substation is an operational electrical substation in Missouri, United States, owned and operated by Ameren. It handles voltages of 345 kV and 138 kV, serving the regional grid.
St. Francois Substation is an operational electrical substation located in Missouri, United States. Owned and operated by Ameren, a major utility in the region, the facility plays a key role in the local electrical infrastructure. The substation handles high-voltage transmission, with voltage levels of 345 kV and 138 kV, indicating its importance in the regional power grid. 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 a transmission-level asset, it is subject to mandatory compliance with NERC's Critical Infrastructure Protection (CIP) standards. The facility's voltage levels suggest it is a major node in the grid, likely connecting generation sources to distribution networks. St. Francois Substation contributes to grid stability and reliability in the region, supporting residential, commercial, and industrial customers. Its location in Missouri places it within the Midcontinent Independent System Operator (MISO) footprint, which coordinates regional electricity markets and transmission planning. The substation's operational status ensures continued service to the community.
Environmental context
The substation is located in a rural area of Missouri, where the surrounding landscape includes agricultural land and forests. Electrical infrastructure in such settings typically has a low direct environmental footprint, though transmission lines can impact bird migration patterns and require vegetation management. The facility's voltage levels indicate it is part of the high-voltage transmission network, which is critical for integrating renewable energy sources like wind and solar from remote areas to load centers.
Frequently asked questions
St. Francois Substation is located in Missouri, United States, near coordinates 37.946957, -90.455050.
The substation handles high-voltage transmission at 345 kV and 138 kV.
The substation is owned and operated by Ameren, a major utility serving Missouri and Illinois.
As part of the US bulk power system, it must comply with NERC reliability standards and FERC regulations, including Critical Infrastructure Protection (CIP) requirements.
It serves as a transmission substation, stepping down high-voltage electricity for distribution and helping maintain grid stability within the MISO region.