Risk: Medium Substation Operational

Oneta Substation: High-Voltage Electrical Substation in Oklahoma, United States

United States

Overview

Oneta Substation is an operational electrical substation in Oklahoma, United States, operated by Public Service Company of Oklahoma. It handles voltages of 345 kV and 138 kV, serving as a key node in the regional transmission grid.

Oneta Substation is an operational electrical substation located in Oklahoma, United States. Owned and operated by Public Service Company of Oklahoma, a subsidiary of American Electric Power, this facility plays a critical role in the regional transmission network. The substation handles high-voltage electricity at 345 kV and 138 kV, indicating its importance in stepping down power from bulk transmission lines to sub-transmission levels for distribution. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). As part of the Southwest Power Pool (SPP) regional transmission organization, Oneta Substation must comply with mandatory reliability standards, including NERC's Critical Infrastructure Protection (CIP) requirements. The dual voltage levels suggest the presence of transformers and switchgear typical of a major transmission substation. Oneta Substation contributes to grid stability and reliability in eastern Oklahoma, supporting the local industrial and residential load. Its location near Tulsa positions it as a key asset for integrating generation resources and maintaining voltage stability. The substation's operational status ensures continued service to the surrounding community, underpinning the region's economic activity.

Environmental context

Oneta Substation is situated in a region characterized by temperate climate and occasional severe weather, including thunderstorms and ice storms, which can pose risks to overhead transmission lines. The substation's design likely incorporates measures to mitigate environmental impacts, such as oil containment systems for transformers and noise reduction features. The surrounding area includes mixed urban and rural land use, with proximity to natural habitats that may require careful management of electromagnetic fields and construction activities.

Frequently asked questions

Oneta Substation is located in Oklahoma, United States, near the city of Tulsa. Its coordinates are approximately 36.0117 N, -95.7028 W.

Oneta Substation handles two voltage levels: 345 kV (kilovolts) and 138 kV. These are typical for high-voltage transmission and sub-transmission in the US grid.

Oneta Substation is owned and operated by Public Service Company of Oklahoma, a subsidiary of American Electric Power (AEP).

Oneta Substation must comply with NERC reliability standards and FERC regulations, as well as SPP regional requirements. This includes standards for grid reliability, cybersecurity, and physical security.

Oneta Substation serves as a transmission substation that steps down voltage from 345 kV to 138 kV, facilitating the distribution of electricity to local utilities and large industrial customers. It helps maintain grid stability in the region.
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