Overview
Gillis Substation is an operational electrical substation in Louisiana, United States, owned by Entergy Louisiana. It operates at voltages of 230 kV and 13.8 kV, serving the regional grid.
Gillis Substation is an operational electrical substation located in Louisiana, United States. Owned by Entergy Louisiana, the facility plays a key role in the regional power transmission and distribution network. The substation handles high-voltage electricity at 230 kV for transmission and 13.8 kV for distribution, indicating its function as a step-down substation connecting the bulk power system to local distribution networks. As part of the U.S. electrical infrastructure, Gillis Substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets and reliability standards set by the North American Electric Reliability Corporation (NERC). The facility likely adheres to NERC's Critical Infrastructure Protection (CIP) standards for cybersecurity and physical security. The substation's equipment, including switchgear and transformers, is typical for medium-to-large scale substations in the region. The substation's location in southwestern Louisiana supports the energy needs of the surrounding area, including residential, commercial, and industrial customers. Its integration into Entergy Louisiana's grid ensures reliable power delivery and grid stability. The facility's operational status and voltage levels underscore its importance in maintaining the region's electrical infrastructure.
Environmental context
The substation is situated in a region with a humid subtropical climate, which can affect equipment performance and maintenance schedules. Its location in a rural area near Lake Charles reduces immediate environmental sensitivity, but the facility must manage potential impacts from stormwater runoff and oil containment from transformers. The substation's design likely includes measures to minimize electromagnetic field exposure and noise, in line with typical U.S. substation practices.
Frequently asked questions
Gillis Substation is located in Louisiana, United States, near the city of Lake Charles. Its coordinates are approximately 30.33° N, -93.20° W.
Gillis Substation operates at two voltage levels: 230,000 volts (230 kV) for transmission and 13,800 volts (13.8 kV) for distribution, indicating it is a step-down substation.
Gillis Substation is owned by Entergy Louisiana, a major utility company serving the region. The operator is also Entergy Louisiana, as per the facility data.
Substations in the United States must comply with NERC reliability standards for grid stability and FERC regulations for wholesale electricity markets. Additionally, substations follow IEEE and ANSI standards for equipment and safety.
A substation like Gillis serves as a node in the electrical grid, stepping down high-voltage transmission power to lower voltages for distribution to homes and businesses. It also provides switching, protection, and monitoring functions to ensure reliable power delivery.