Overview
Hugh K. Leatherman Terminal Substation is an operational 115 kV substation in Charleston, South Carolina, owned and operated by Dominion Energy South Carolina. It supports the local electrical grid.
Hugh K. Leatherman Terminal Substation is a 115 kV electrical substation located in Charleston, South Carolina, United States. Owned and operated by Dominion Energy South Carolina, the facility is part of the regional transmission and distribution network serving the Charleston area. The substation operates at 115 kV, a common voltage level for subtransmission and distribution in the United States. As part of Dominion Energy South Carolina's infrastructure, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for grid stability and safety. This substation plays a key role in delivering electricity to the Hugh K. Leatherman Terminal, a major container port facility, and surrounding industrial and commercial customers. Its strategic location supports economic activity in the Charleston region by ensuring reliable power supply.
Environmental context
Located in a coastal urban area, the substation's operation considers environmental factors such as storm surge resilience and saltwater corrosion. The facility is part of a grid that supports the Port of Charleston, a major economic hub, and must comply with environmental regulations for equipment insulation and spill prevention.
Frequently asked questions
The substation is located in Charleston, South Carolina, United States, near the Hugh K. Leatherman Terminal port facility.
The substation operates at 115 kV, a standard voltage level for subtransmission and distribution in the US.
The substation is owned and operated by Dominion Energy South Carolina, a major utility in the region.
As part of the US electrical grid, it must comply with NERC reliability standards and FERC regulations for transmission-level assets.
It provides power to the Hugh K. Leatherman Terminal and surrounding areas, supporting port operations and local economic activity.