Overview
McIntosh Combined Cycle Facility Substation is an operational 230 kV substation in the United States, serving the McIntosh Combined Cycle Facility near Savannah, Georgia.
McIntosh Combined Cycle Facility Substation is an operational electrical substation located in the United States, specifically near Savannah, Georgia. It operates at a voltage of 230 kV, classifying it as a high-voltage transmission-level substation that supports the McIntosh Combined Cycle Facility, a natural gas-fired power plant. The substation plays a critical role in stepping up power for long-distance transmission and interconnecting with the regional grid. 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. As a 230 kV facility, it is subject to NERC's Critical Infrastructure Protection (CIP) standards and must comply with voltage regulation and grid stability requirements. Environmentally, the substation is located in a region with a humid subtropical climate, which can pose challenges such as heat and humidity affecting equipment performance. The facility's proximity to the Savannah River and coastal areas may require considerations for flood risk and corrosion. As part of the combined cycle facility, it supports efficient natural gas power generation, contributing to grid reliability and enabling integration of renewable energy sources in the region.
Environmental context
The substation is situated in a humid subtropical climate near the Savannah River, where high temperatures and humidity can impact equipment cooling and insulation. The coastal location also presents potential risks from hurricanes and flooding, necessitating robust design and maintenance practices. The facility's role in transmitting power from a combined cycle plant supports efficient energy use and reduced emissions compared to older coal-fired plants, aligning with regional environmental goals.
Frequently asked questions
The substation is located near Savannah, Georgia, United States, at coordinates 32.348719, -81.181551.
The substation operates at 230 kV, which is a high-voltage transmission level used for long-distance power transfer.
The substation is currently operational, supporting the McIntosh Combined Cycle Facility.
As a US transmission asset, it must comply with NERC reliability standards and FERC regulations, including Critical Infrastructure Protection (CIP) requirements.
A 230 kV substation steps up or down voltage for efficient transmission, interconnects generation sources with the grid, and ensures stability and reliability of the bulk power system.