Risk: Medium Substation Operational

Carlyss Substation - 230 kV Electrical Substation in Louisiana, United States

United States

Overview

Carlyss Substation is an operational electrical substation in Louisiana, United States, owned and operated by Entergy Louisiana. It operates at a voltage of 230 kV, serving as a key node in the regional transmission grid.

Carlyss Substation is an operational electrical substation located in Louisiana, United States. Owned and operated by Entergy Louisiana, the facility is part of the high-voltage transmission network, stepping down power for distribution to local communities and industries. The substation's 230 kV voltage level places it in the medium-to-high voltage range, typical for regional transmission infrastructure. 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 the bulk power system. As a transmission-level asset, Carlyss Substation is subject to mandatory compliance with NERC's Critical Infrastructure Protection (CIP) standards, ensuring cybersecurity and physical security measures are in place. The facility likely employs modern switchgear and protection systems to maintain grid stability and minimize outage risks. Carlyss Substation plays a critical role in the electrical infrastructure of southwestern Louisiana, an area with significant industrial activity including petrochemical plants and liquefied natural gas facilities. The substation's reliability is essential for supporting local economic development and ensuring uninterrupted power supply to residential and commercial customers. Its location near the Gulf Coast also necessitates resilience against extreme weather events such as hurricanes, which are a key operational consideration for utilities in the region.

Environmental context

The substation is situated in a region prone to hurricanes and flooding, which poses risks to electrical infrastructure. Entergy Louisiana likely implements flood mitigation measures and vegetation management to prevent outages. The facility's operation contributes to grid stability in an area with high industrial demand, but its environmental footprint is limited to electromagnetic fields and land use. No specific protected areas are known to be directly affected.

Frequently asked questions

Carlyss Substation is located in Louisiana, United States, near the city of Carlyss. Its coordinates are approximately 30.1924° N, -93.3486° W.

Carlyss Substation operates at a voltage of 230 kV, which is typical for high-voltage transmission substations that connect bulk power systems to distribution networks.

Carlyss Substation is owned and operated by Entergy Louisiana, a subsidiary of Entergy Corporation, which provides electricity to customers in Louisiana and other Gulf Coast states.

As part of the US bulk power system, Carlyss Substation must comply with NERC reliability standards and FERC regulations, including requirements for grid reliability, cybersecurity, and physical security.

Carlyss Substation serves as a key node in the transmission network, stepping down high-voltage electricity for distribution to residential, commercial, and industrial customers in southwestern Louisiana, including nearby petrochemical facilities.
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