Overview
Dolet Hills Substation is an operational electrical substation in the United States, owned by CLECO. It operates at 345 kV and 230 kV, serving as a key node in the regional transmission grid.
Dolet Hills Substation is an operational electrical substation located in the United States, owned and operated by CLECO. The facility handles high-voltage electricity at 345 kV and 230 kV, indicating its role in bulk power transmission rather than local distribution. Its location in Louisiana places it within the Southwest Power Pool (SPP) or Midcontinent Independent System Operator (MISO) region, depending on the exact grid balancing authority. As a high-voltage substation, Dolet Hills is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) oversight for transmission-level assets. The dual voltage levels suggest it serves as a step-down or interconnection point between the 345 kV and 230 kV networks, likely supporting industrial loads or connecting to lower-voltage distribution systems. Substations of this scale typically employ gas-insulated switchgear (GIS) or air-insulated switchgear (AIS) with modern protection relays compliant with IEC 61850 standards. The substation's operational status and ownership by CLECO, a major utility in Louisiana, underscore its importance to local grid stability. It likely supports the Dolet Hills power plant or nearby industrial facilities, contributing to reliable electricity supply for the region. The facility's age and specific equipment details are not disclosed, but its voltage class places it in the medium-to-large scale for transmission substations.
Environmental context
The substation is located in a rural area of Louisiana, near the Dolet Hills lignite mine and power plant. The surrounding landscape includes forests and agricultural land, with the Red River watershed nearby. High-voltage substations like this one can have localized environmental impacts, including electromagnetic fields (EMF) and potential oil spills from transformers. However, modern substations are designed with containment systems and adhere to environmental regulations to minimize risks. The facility's role in transmitting power from fossil fuel sources also ties it to broader carbon emission considerations.
Frequently asked questions
Dolet Hills Substation is located in Louisiana, United States, near the Dolet Hills lignite mine and power plant. Its approximate coordinates are 32.035052 N, -93.569238 W.
Dolet Hills Substation operates at 345 kV and 230 kV, making it a high-voltage transmission substation that interconnects different parts of the regional power grid.
Dolet Hills Substation is owned and operated by CLECO, a utility company serving Louisiana and parts of the southern United States.
As a transmission substation in the United States, Dolet Hills Substation must comply with NERC reliability standards and FERC regulations. It also follows industry standards like IEC 61850 for substation automation.
Dolet Hills Substation serves as a key node in the transmission grid, stepping down or interconnecting 345 kV and 230 kV lines to ensure reliable electricity delivery to industrial and residential customers in the region.