Overview
Tunas Creek Substation is an operational electrical substation in Texas, United States, owned and operated by the Lower Colorado River Authority. It operates at 138 kV, serving as a key node in the regional transmission grid.
Tunas Creek Substation is an operational electrical substation located in Texas, United States. Owned and operated by the Lower Colorado River Authority (LCRA), this facility plays a critical role in the state's power transmission network. The substation operates at a voltage of 138 kV, which is a common transmission-level voltage in the United States, indicating its function in stepping down power from higher voltage lines for distribution or interconnecting regional grids. The substation falls under the regulatory oversight 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 part of the LCRA's infrastructure, Tunas Creek Substation supports the organization's mission to provide reliable, affordable, and sustainable electric services to central Texas. The facility's design and operation adhere to NERC's Critical Infrastructure Protection (CIP) standards, ensuring cybersecurity and physical security measures are in place. Located in a rural area of Texas, this substation is essential for maintaining grid stability and supporting local communities and industries. Its 138 kV voltage level places it within the medium-to-high voltage range, typical for sub-transmission and distribution substations. The substation's operational status and integration into the broader ERCOT (Electric Reliability Council of Texas) grid highlight its significance in managing electricity flow and ensuring system reliability across the region.
Environmental context
The Tunas Creek Substation is situated in a rural area of Texas, characterized by semi-arid climate and sparse vegetation. The substation's operation involves electromagnetic fields and potential oil leakage from transformers, which are managed through standard environmental safeguards. Its location away from densely populated areas reduces direct human exposure to these factors. The facility's design includes measures to contain any potential spills and to minimize impact on local wildlife and habitats.
Frequently asked questions
Tunas Creek Substation is located in Texas, United States, at coordinates 30.981827, -102.275468. It is situated in a rural area and is part of the Lower Colorado River Authority's electrical infrastructure.
Tunas Creek Substation operates at a voltage of 138 kV (138,000 volts), which is a standard transmission-level voltage in the United States, used for sub-transmission and distribution purposes.
Tunas Creek Substation is owned and operated by the Lower Colorado River Authority (LCRA), a public utility that provides electric services to central Texas.
As part of the U.S. bulk power system, Tunas Creek Substation must comply with NERC reliability standards and FERC regulations. These include requirements for grid reliability, cybersecurity, and physical security under NERC's Critical Infrastructure Protection (CIP) standards.
Tunas Creek Substation serves as a node in the transmission network, stepping down voltage from higher levels for distribution or interconnecting regional grids. It helps maintain grid stability and supports reliable electricity delivery to local communities and industries within the ERCOT system.