St. Joe Substation: 138 kV Electrical Substation in Indiana, USA

St. Joe Substation is an operational electrical substation located in Indiana, United States. It is owned and operated by Clark County REMC, a rural electric cooperative serving the region. The substation operates at a voltage of 138 kV, placing it in the medium-to-high voltage range typical for distribution and sub-transmission networks. The facility operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. As a substation owned by a cooperative, it plays a key role in distributing electricity to rural and suburban customers in Clark County and surrounding areas. St. Joe Substation contributes to grid stability by stepping down transmission-level voltage for local distribution. Its location in a rural area underscores its importance for reliable electricity supply to agricultural and residential communities. The substation's age and specific equipment details are not publicly available, but its operational status indicates ongoing maintenance and compliance with industry standards.

The substation is situated in a rural area of Indiana, where the local environment includes agricultural land and scattered residential developments. Electrical infrastructure like St. Joe Substation supports the region's energy needs while minimizing land use impact through compact design. The 138 kV voltage level is typical for sub-transmission lines that balance efficiency with environmental footprint, as lower voltages require more towers and right-of-way.