Overview
Cosmar Substation is an operational 138 kV substation in Louisiana, United States, owned and operated by TotalEnergies Petrochemicals & Refining USA, Inc. It supports regional grid stability and industrial power distribution.
Cosmar Substation is an operational electrical substation located in Louisiana, United States, owned and operated by TotalEnergies Petrochemicals & Refining USA, Inc. The facility operates at a voltage of 138 kV, placing it in the medium-to-high voltage range typical for industrial and transmission-level substations in the region. 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 part of the U.S. electrical infrastructure, it adheres to standards such as NERC CIP for cybersecurity and NERC TPL for transmission planning. The 138 kV voltage level is commonly used for subtransmission and industrial supply, connecting local distribution to the wider grid. Cosmar Substation plays a critical role in supplying power to TotalEnergies' petrochemical and refining operations in the area, ensuring reliable electricity for industrial processes. Its location in Louisiana, a state with significant energy infrastructure, underscores its importance in supporting the regional industrial base and grid stability.
Environmental context
The substation is situated in Louisiana, a state with a humid subtropical climate and frequent severe weather events such as hurricanes and thunderstorms. These conditions pose risks to electrical infrastructure, including flooding and wind damage. The facility's design likely incorporates measures to withstand such events, ensuring continued operation. Its proximity to industrial facilities also means it supports energy-intensive operations, with potential environmental implications related to power generation and transmission.
Frequently asked questions
Cosmar Substation is located in Louisiana, United States, at coordinates 30.227681, -91.068333.
Cosmar Substation operates at a voltage of 138 kV, which is a common subtransmission voltage level in the United States.
Cosmar Substation is owned and operated by TotalEnergies Petrochemicals & Refining USA, Inc.
Substations in the United States must comply with NERC reliability standards and FERC regulations, including NERC CIP for cybersecurity and NERC TPL for transmission planning.
A 138 kV substation typically serves as a subtransmission facility, stepping down voltage from higher transmission levels for distribution to industrial or large commercial customers, and helping maintain grid stability.