Substation Operational

Page Field Substation - 69 kV Electrical Substation in Texas, USA

United States

Overview

Page Field Substation is an operational electrical substation in Texas, United States, owned and operated by American Electric Power. It operates at a voltage of 69 kV, serving as a key node in the regional transmission grid.

Page Field Substation is an operational electrical substation located in Texas, United States. Owned and operated by American Electric Power, one of the largest electric utilities in the country, this facility plays a role in the regional transmission network. The substation operates at a voltage of 69 kV, which is typical for sub-transmission or distribution-level infrastructure, supporting local grid stability and power distribution. As part of the U.S. electrical infrastructure, Page Field Substation operates under the regulatory oversight of the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets and the North American Electric Reliability Corporation (NERC) for reliability standards. The facility likely adheres to NERC's Critical Infrastructure Protection (CIP) standards, which govern the security and reliability of bulk power system assets. The 69 kV voltage level places it in a category that may require compliance with specific reliability and maintenance protocols. The substation's location in rural Texas, near the town of Sonora, positions it within a region characterized by oil and gas production, agriculture, and renewable energy development. Its role in the grid is essential for maintaining power quality and reliability for local communities and industries. The facility's operational status and ownership by a major utility underscore its importance in the broader electrical infrastructure network.

Environmental context

The substation is situated in a semi-arid region of Texas, where extreme weather events such as heatwaves, droughts, and occasional winter storms can stress electrical infrastructure. The 69 kV voltage level indicates a sub-transmission asset that may be more exposed to vegetation and wildlife interactions than higher-voltage lines. The facility's design likely includes measures to mitigate wildfire risks, such as vegetation management and arc-flash protection, common in rural substations.

Frequently asked questions

Page Field Substation is located in Texas, United States, near the town of Sonora in Sutton County. The approximate coordinates are 30.798524 N, -100.464295 W.

Page Field Substation is owned and operated by American Electric Power (AEP), a major investor-owned utility serving parts of 11 states in the U.S.

Page Field Substation operates at a voltage of 69 kV (69,000 volts), which is typical for sub-transmission or distribution-level substations in the United States.

Substations in the U.S. are subject to NERC reliability standards, including CIP for cybersecurity, and FERC regulations for wholesale electricity markets. For 69 kV facilities, compliance with NERC's PRC-005 (protection system maintenance) and FAC-008 (facility ratings) is common.

A 69 kV substation typically serves as a sub-transmission node, stepping down voltage from higher transmission lines (e.g., 138 kV or 230 kV) for distribution to local networks. It helps maintain voltage stability and reliability for industrial, commercial, and residential customers in the area.
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