Overview
Francisco Substation is an operational electrical substation in Indiana, United States, owned by Southern Indiana Gas & Electric. It operates at 345 kV and 138 kV voltage levels, serving regional grid stability.
Francisco Substation is an operational electrical substation located in Indiana, United States, owned and operated by Southern Indiana Gas & Electric. The facility operates at high voltage levels of 345 kV and 138 kV, indicating its role in both transmission and sub-transmission networks. As part of the U.S. electrical infrastructure, it falls under the regulatory oversight of NERC reliability standards and FERC for interstate transmission. The substation's voltage levels suggest it is a critical node for power distribution in the region, connecting bulk power transmission to local distribution systems. In the United States, substations of this scale are typically equipped with modern switchgear and automation systems compliant with ISO/IEC 61850 standards to ensure reliable operation. The facility's location in Indiana places it within the Eastern Interconnection grid, one of the major synchronous grids in North America. Environmentally, the substation's operation supports the integration of renewable energy sources and maintains grid stability for residential, commercial, and industrial consumers in the area. Its role in voltage regulation and power flow control is essential for minimizing transmission losses and ensuring efficient electricity delivery. The facility contributes to the overall resilience of the regional electrical infrastructure.
Environmental context
The substation's location in rural Indiana minimizes direct environmental impact on sensitive ecosystems. Its high voltage levels (345 kV and 138 kV) require careful management of electromagnetic fields and adherence to NERC standards for vegetation management to prevent outages. The facility supports grid stability for the surrounding area, which includes agricultural and industrial loads.
Frequently asked questions
Francisco Substation is located in Indiana, United States, near coordinates 38.322210 N, -87.423973 W.
Francisco Substation operates at 345 kV and 138 kV, serving both transmission and sub-transmission functions.
Francisco Substation is owned by Southern Indiana Gas & Electric, a utility company serving the region.
As a US substation, Francisco Substation must comply with NERC reliability standards for grid stability and FERC regulations for interstate transmission.
Substations like Francisco step down high transmission voltages to lower distribution voltages, regulate power flow, and ensure grid reliability for end users.