Risk: Medium Substation Operational

North Gila Substation - 500 kV High-Voltage Electrical Substation in the United States

United States

Overview

North Gila Substation is a 500 kV electrical substation operated by Arizona Public Service in the United States. It plays a critical role in high-voltage transmission grid stability.

North Gila Substation is a high-voltage electrical substation located in the United States, operated by Arizona Public Service. The facility operates at 500 kV, placing it in the large-scale category for transmission infrastructure, critical for long-distance power transfer and grid interconnection. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring compliance with reliability standards for bulk power systems. As a 500 kV facility, it is equipped with advanced switchgear and automation systems, likely adhering to ISO/IEC 61850 standards for substation automation. This substation is a key node in the regional electrical grid, supporting the integration of renewable energy sources and maintaining voltage stability across the southwestern United States. Its strategic location contributes to the reliability of power supply for urban and industrial consumers in the region.

Environmental context

The substation is situated in a desert environment near the Colorado River, where high temperatures and low humidity affect equipment performance and cooling requirements. The 500 kV voltage level indicates significant electromagnetic field considerations, though standard mitigation measures are employed. The facility's location in a sparsely populated area reduces direct community exposure, but its role in transmitting power from remote generation sources to load centers has broader environmental implications.

Frequently asked questions

North Gila Substation is located in the United States, near the Colorado River in the southwestern region, with coordinates approximately 32.7457 N, -114.4913 W.

North Gila Substation operates at 500 kV, which is a high-voltage level used for long-distance transmission and interconnection of major power grids.

The substation is operated by Arizona Public Service, a major utility company serving the state of Arizona.

As part of the US bulk power system, North Gila Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.

A 500 kV substation serves as a critical node for transmitting large amounts of electricity over long distances, connecting generation sources to load centers and enhancing grid reliability.
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