Overview
Carrollton-Upfield Substation is an operational electrical substation in Carrollton, Texas, owned and operated by Oncor. It handles voltages of 138 kV, 12.5 kV, and 7.2 kV, serving the local grid.
Carrollton-Upfield Substation is an operational electrical substation located in Carrollton, Texas, United States. Owned and operated by Oncor, a major transmission and distribution utility in Texas, the substation plays a key role in the regional power grid. The facility handles multiple voltage levels, including 138 kV for transmission and 12.5 kV and 7.2 kV for distribution, indicating its function as a step-down substation serving both industrial and residential customers. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Electric Reliability Council of Texas (ERCOT), which oversees the majority of Texas's power grid. Oncor, as a transmission service provider, must comply with NERC reliability standards and FERC regulations for interstate transmission, though ERCOT has its own set of protocols. The facility's voltage levels and location in a suburban area suggest it is critical for local grid stability and power distribution. Carrollton-Upfield Substation contributes to the electrical infrastructure of the Dallas-Fort Worth metroplex, supporting the area's growing population and economic activity. Its operational status ensures reliable power supply to homes, businesses, and critical facilities in the region. The substation's integration into Oncor's network highlights its role in maintaining grid resilience and meeting the energy demands of a major urban center.
Environmental context
The substation is situated in Carrollton, a suburban city within the Dallas-Fort Worth metroplex, characterized by a mix of residential, commercial, and industrial zones. The local climate features hot summers and mild winters, which drive high electricity demand for air conditioning. The facility's voltage levels and urban location underscore its importance for grid stability and power distribution in a region prone to extreme weather events, such as heatwaves and winter storms, which can stress the electrical infrastructure.
Frequently asked questions
Carrollton-Upfield Substation is located in Carrollton, Texas, United States, at coordinates 32.950423, -96.912771.
The substation operates at multiple voltage levels: 138,000 volts (138 kV) for transmission, and 12,500 volts (12.5 kV) and 7,200 volts (7.2 kV) for distribution.
The substation is owned and operated by Oncor, a major electric transmission and distribution utility serving Texas.
As part of the US electrical grid, the substation must comply with NERC reliability standards and FERC regulations for transmission-level assets. In Texas, it also falls under ERCOT's jurisdiction.
The substation is critical for distributing power from the transmission grid to local distribution networks, supporting residential and commercial customers in the Dallas-Fort Worth area.