Overview
Jollyville Substation is an operational electrical substation owned by Austin Energy in Texas, United States. It operates at 138 kV, serving the local grid.
Jollyville Substation is an electrical substation located in Texas, United States, owned and operated by Austin Energy. The facility operates at a voltage of 138 kV, classifying it as a transmission-level substation within the regional power grid. As part of Austin Energy's infrastructure, it plays a role in distributing electricity to the surrounding area. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. In Texas, the Electric Reliability Council of Texas (ERCOT) manages the grid, and substations like Jollyville are subject to NERC's Critical Infrastructure Protection (CIP) standards. The 138 kV voltage level is typical for subtransmission systems, connecting higher-voltage transmission lines to distribution networks. Environmentally, the substation's location in a suburban area near Austin means it supports growing residential and commercial demand. Its operation is essential for grid stability, especially during peak load periods. Regular maintenance and upgrades are typical for such assets to ensure reliability and safety.
Environmental context
The Jollyville Substation is situated in a suburban area northwest of Austin, Texas, a region experiencing rapid population growth. The substation's 138 kV voltage level indicates it serves as a critical node for distributing power to residential and commercial customers. Its location near urban development means it must comply with local noise and safety regulations. The surrounding environment includes mixed-use developments and natural areas, requiring careful management of electromagnetic fields and vegetation clearance to maintain reliability.
Frequently asked questions
Jollyville Substation is located in Texas, United States, near Austin. Its coordinates are approximately 30.48° N, 97.78° W.
Jollyville Substation is owned and operated by Austin Energy, the municipal electric utility serving Austin, Texas.
Jollyville Substation operates at 138 kV, which is a common subtransmission voltage level in the United States.
As part of the U.S. bulk power system, Jollyville Substation must comply with NERC reliability standards and FERC regulations. In Texas, it also falls under ERCOT's grid management.
A 138 kV substation typically steps down transmission voltage for distribution to local networks, serving as a key link between high-voltage transmission lines and end users.