Overview
Engle Substation, operated by the Lower Colorado River Authority, is a 138 kV substation in Texas, United States, supporting regional grid stability and power distribution.
Engle Substation is an operational electrical substation located in Texas, United States, owned and operated by the Lower Colorado River Authority (LCRA). The facility operates at a voltage level of 138 kV, placing it within the medium-to-high voltage range typical for sub-transmission and distribution substations that serve industrial and urban areas. As part of the LCRA's extensive transmission network, it plays a key role in delivering electricity from generation sources to local utilities and consumers across central Texas. The substation's technical specifications indicate a 138 kV voltage class, which is common for regional power distribution in the United States. This voltage level allows for efficient long-distance power transmission while feeding into lower-voltage distribution networks. The facility is regulated under the North American Electric Reliability Corporation (NERC) standards, which mandate reliability and cybersecurity requirements for bulk power system assets. Additionally, the Federal Energy Regulatory Commission (FERC) oversees interstate electricity transmission, ensuring compliance with market rules and grid reliability. Environmentally, the substation is situated in a region characterized by a mix of agricultural and urban development, with the LCRA's service area encompassing the Colorado River basin. The facility's operation supports the integration of renewable energy sources, such as wind and solar, which are increasingly prevalent in Texas. By maintaining grid stability and voltage regulation, Engle Substation contributes to the reliable delivery of electricity to communities and industries, underpinning economic activity and quality of life in the region.
Environmental context
The substation is located in a region with a temperate climate, where seasonal weather patterns, including thunderstorms and occasional hurricanes, can impact grid reliability. The facility's 138 kV infrastructure is designed to withstand such conditions, with robust grounding and insulation systems. Its operation supports the local grid's resilience by enabling voltage regulation and load balancing, which are critical for integrating variable renewable energy sources like wind and solar power.
Frequently asked questions
Engle Substation is located in Texas, United States, at coordinates 29.674534, -97.013106. It is operated by the Lower Colorado River Authority.
Engle Substation operates at a voltage of 138 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
Engle Substation is owned and operated by the Lower Colorado River Authority (LCRA), a public utility that provides electricity and water services in central Texas.
As part of the U.S. bulk power system, Engle Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and cybersecurity.
A 138 kV substation like Engle steps down transmission-level voltage for distribution to local networks, enabling reliable electricity delivery to homes, businesses, and industries.