Overview
Marlin South Tap is an operational electrical substation in Texas, United States, owned and operated by Oncor. It operates at 69 kV, serving as a distribution-level asset within the regional grid.
Marlin South Tap is an operational electrical substation located in Texas, United States, owned and operated by Oncor. As a 69 kV substation, it functions as a distribution-level facility within the broader transmission and distribution network, supporting local electricity delivery. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Electric Reliability Council of Texas (ERCOT), which sets reliability standards for the Texas interconnection. Oncor, as a major transmission and distribution utility in Texas, manages this facility in compliance with these standards to ensure grid stability and safety. This substation plays a role in the local electrical infrastructure by stepping down voltage for distribution to residential, commercial, and industrial customers in the Marlin area. Its operational status contributes to the reliability of electricity supply in the region, supporting community energy needs.
Environmental context
Located in rural Texas, the substation's environmental context is shaped by the surrounding agricultural and natural landscapes. The 69 kV voltage level indicates a distribution role, with lower environmental footprint compared to high-voltage transmission lines. The facility's operation is subject to standard environmental regulations for electrical infrastructure, including electromagnetic field management and habitat considerations.
Frequently asked questions
Marlin South Tap is a substation located in Texas, United States, near the city of Marlin. Its coordinates are approximately 31.2854 N, -96.8801 W.
Marlin South Tap operates at 69 kV (69,000 volts), which is a common distribution-level voltage in the United States.
Marlin South Tap is owned and operated by Oncor, a major electric transmission and distribution utility serving Texas.
As part of the US electrical grid, Marlin South Tap must comply with NERC reliability standards and ERCOT regional requirements, ensuring grid stability and safety.
A 69 kV substation typically steps down transmission voltage for distribution to local customers, serving as a critical link between high-voltage transmission lines and lower-voltage distribution networks.