Burr Oak Substation: 345/138 kV Electrical Substation in Indiana, USA

Burr Oak Substation is an electrical substation located in Indiana, United States, operated by Northern Indiana Public Service Company (NIPSCO). The facility operates at voltage levels of 345 kV and 138 kV, indicating its role in both high-voltage transmission and sub-transmission within the regional power grid. As part of NIPSCO's infrastructure, it serves the electric needs of northern Indiana communities. The substation 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 bulk power systems. The 345 kV voltage level classifies it as a transmission asset critical for long-distance power transfer and grid stability. The 138 kV level connects to local distribution networks, balancing bulk power delivery with regional demand. Environmental and operational significance includes its role in integrating power from generation sources to load centers. The substation's location in a rural area of Indiana supports agricultural and residential electricity needs while maintaining grid resilience. Typical substations of this scale undergo regular maintenance to ensure compliance with NERC standards and minimize outage risks.

The substation is situated in a rural area of northern Indiana, characterized by agricultural land and scattered residential developments. The 345 kV transmission lines may traverse open fields and wetlands, requiring vegetation management to prevent outages. The facility's operation contributes to grid stability in a region prone to severe weather, including thunderstorms and winter storms, which can impact overhead lines. No specific protected areas are known to be directly affected.