Overview
Twin Buttes Substation is an operational electrical substation in Texas, United States, owned by the Lower Colorado River Authority. It operates at 345 kV and 138 kV, serving the regional grid.
Twin Buttes Substation is an operational electrical substation located in Texas, United States, owned and operated by the Lower Colorado River Authority. The facility handles high-voltage transmission at 345 kV and 138 kV, indicating its role in both bulk power transmission and sub-transmission distribution within the Electric Reliability Council of Texas (ERCOT) grid. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) reliability standards and is subject to oversight by the Public Utility Commission of Texas. As part of the ERCOT interconnection, it adheres to mandatory reliability standards for voltage control, protection coordination, and system stability. The dual voltage levels suggest it serves as a critical node connecting long-distance transmission lines to local distribution networks. Twin Buttes Substation plays a key role in maintaining grid stability for the surrounding region, supporting the integration of renewable energy sources such as wind and solar, which are prevalent in West Texas. Its location in a rural area underscores its importance in delivering electricity to communities and industries across the state, contributing to the overall resilience of the Texas power grid.
Environmental context
The substation is situated in a semi-arid region of West Texas, where the electrical infrastructure supports both urban and agricultural demands. The high-voltage equipment is designed to withstand extreme weather conditions, including heat and occasional winter storms. The facility's role in the ERCOT grid is critical for balancing intermittent renewable generation from nearby wind farms, thereby reducing reliance on fossil fuels and supporting regional environmental goals.
Frequently asked questions
Twin Buttes Substation is located in Texas, United States, at coordinates 31.513799, -100.598022. It is owned and operated by the Lower Colorado River Authority.
Twin Buttes Substation operates at two voltage levels: 345 kV for high-voltage transmission and 138 kV for sub-transmission, making it a key node in the regional power grid.
Twin Buttes Substation is owned by the Lower Colorado River Authority (LCRA), a public utility that provides electricity and water services in Texas.
As part of the ERCOT interconnection, Twin Buttes Substation must comply with NERC reliability standards and Texas PUC regulations, ensuring grid stability and security.
Twin Buttes Substation serves as a critical transmission node, connecting high-voltage lines to lower-voltage distribution networks and supporting the integration of renewable energy sources like wind power.