Overview
LR Rock Creek Substation is an operational electrical substation in Arkansas, United States, operating at 115 kV. It plays a key role in regional grid stability and power distribution.
LR Rock Creek Substation is an operational electrical substation located in Arkansas, United States. The facility operates at a voltage of 115 kV, classifying it as a medium-voltage substation that serves as a critical node in the local power distribution network. Its location near Little Rock places it within a region with growing energy demand, supporting residential, commercial, and industrial customers. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. As a 115 kV facility, it is typically part of the sub-transmission or distribution system, stepping down power from higher-voltage transmission lines for local distribution. The infrastructure likely includes modern switchgear and protection systems compliant with industry standards. Environmentally, the substation's location in central Arkansas places it in a region with a humid subtropical climate, where seasonal storms and heat waves can impact grid operations. The facility's role in maintaining reliable electricity supply is vital for the surrounding communities and economic activities. Its operational status ensures continued support for the regional grid, contributing to energy security and resilience.
Environmental context
Located in central Arkansas, LR Rock Creek Substation operates in a humid subtropical climate with hot summers and occasional severe storms. The 115 kV voltage level indicates it serves as a distribution substation, likely supplying power to residential and commercial areas. Its urban proximity means it supports critical infrastructure such as hospitals and emergency services, requiring robust design to withstand local weather extremes and maintain grid stability.
Frequently asked questions
LR Rock Creek Substation is located in Arkansas, United States, near the city of Little Rock. Its coordinates are approximately 34.72° N, 92.35° W.
LR Rock Creek Substation operates at a voltage of 115 kV, which is typical for sub-transmission or distribution substations in the United States.
A 115 kV substation typically steps down voltage from higher transmission levels (e.g., 230 kV or 500 kV) for distribution to local networks, serving industrial, commercial, and residential customers.
As part of the US bulk power system, LR Rock Creek Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
LR Rock Creek Substation is currently operational, meaning it is actively contributing to the regional power grid.