Overview
Phillips Johnson City Substation is an operational electrical substation in Texas, United States, owned by the Lower Colorado River Authority. It operates at 138 kV and 12.5 kV, serving the local grid.
Phillips Johnson City Substation is an operational electrical substation located in Texas, United States. Owned by the Lower Colorado River Authority, the facility plays a key role in regional power distribution, stepping down transmission voltage for local use. The substation is situated in a rural area near Johnson City, supporting the electrical infrastructure of the surrounding communities. The substation operates at two voltage levels: 138 kV for transmission and 12.5 kV for distribution, indicating its role as a step-down substation. As part of the Lower Colorado River Authority's network, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations, ensuring grid stability and compliance. Typical substations of this scale in Texas undergo regular maintenance to manage aging switchgear. Environmentally, the substation's rural location reduces immediate urban impact, but its operation supports the growing energy demands of the Texas Hill Country. The Lower Colorado River Authority manages water and power resources in the region, and this substation contributes to reliable electricity supply for residential and agricultural users. Its role in the grid underscores the importance of substation automation and monitoring for operational efficiency.
Environmental context
The substation is located in a rural area of the Texas Hill Country, a region characterized by limestone geology and oak-juniper woodlands. Its operation supports local communities and agriculture, with minimal direct environmental footprint. The voltage levels indicate a medium-scale facility, and its age may influence maintenance needs for switchgear to prevent leaks or failures. The Lower Colorado River Authority's integrated water-power management adds a layer of environmental stewardship.
Frequently asked questions
Phillips Johnson City Substation is located in Texas, United States, near Johnson City in the Texas Hill Country. Its coordinates are approximately 30.281941 N, -98.239349 W.
The substation is owned and operated by the Lower Colorado River Authority (LCRA), a public utility that manages water and power resources in central Texas.
The substation operates at 138 kV for transmission and 12.5 kV for distribution, indicating it steps down high-voltage power for local use.
In the United States, substations must comply with NERC reliability standards for grid stability and FERC regulations for interstate electricity transmission. LCRA also follows Texas state utility regulations.
Substations like Phillips Johnson City transform voltage levels, switch circuits, and protect the grid. They are critical nodes for distributing electricity from transmission lines to local distribution networks.