Overview
Ulm Substation is an operational electrical substation in Arkansas, United States, operated by Entergy Arkansas. It handles voltages of 115 kV and 13.86 kV, serving the local grid.
Ulm Substation is an operational electrical substation located in Arkansas, United States. Owned and operated by Entergy Arkansas, it plays a role in the regional power distribution network. The facility is part of the broader electrical infrastructure that supports residential, commercial, and industrial customers in the area. The substation operates at voltage levels of 115,000 volts (115 kV) and 13,860 volts (13.86 kV), indicating its function in both transmission and distribution. As a substation, it steps down high-voltage electricity from transmission lines to lower voltages suitable for local distribution. The facility is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations, ensuring grid stability and safety. Located in a rural area of Arkansas, Ulm Substation contributes to the reliability of the local power grid. Its operation by Entergy Arkansas, a major utility in the region, underscores its importance in delivering electricity to communities. The substation's age and specific equipment are not detailed, but its operational status indicates ongoing service to the electrical infrastructure.
Environmental context
The substation is situated in a rural area of Arkansas, characterized by agricultural land and scattered communities. Electrical infrastructure in such settings typically has lower environmental impact compared to urban installations, though it may still affect local wildlife through electromagnetic fields and habitat fragmentation. The facility's voltage levels suggest it is a medium-scale substation, with standard environmental considerations for noise and visual intrusion.
Frequently asked questions
Ulm Substation is located in Arkansas, United States, near coordinates 34.557849, -91.466347.
Ulm Substation operates at 115,000 volts (115 kV) and 13,860 volts (13.86 kV), serving both transmission and distribution functions.
Ulm Substation is owned and operated by Entergy Arkansas, a major utility company serving the region.
Substations in the United States are regulated by NERC reliability standards and FERC regulations, ensuring grid stability and safety.
A substation steps down high-voltage electricity from transmission lines to lower voltages for local distribution, and may also switch circuits for grid management.