Overview
Hedrick Substation is an operational electrical substation owned by Tucson Electric Power in Tucson, Arizona, serving the local grid with voltage levels of 46 kV and 4.16 kV.
Hedrick Substation is an operational electrical substation located in Tucson, Arizona, United States. Owned and operated by Tucson Electric Power, it plays a key role in the local electrical infrastructure, stepping down transmission voltages for distribution to residential and commercial customers. The substation operates at voltage levels of 46,000 volts (46 kV) and 4,160 volts (4.16 kV), typical for a medium-voltage substation that connects the subtransmission system to distribution feeders. As part of the Tucson Electric Power network, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and is regulated by the Federal Energy Regulatory Commission (FERC) for wholesale electricity markets. Located in an urban area of Tucson, Hedrick Substation supports the city's growing energy demands. Its role in the grid is critical for maintaining voltage stability and ensuring reliable power supply to the surrounding community, contributing to the overall resilience of the regional electrical infrastructure.
Environmental context
The substation's urban location in Tucson means it operates within a desert climate with high summer temperatures, which can affect equipment efficiency and cooling requirements. The surrounding area is a mix of residential and commercial development, and the substation's presence supports local energy needs without significant direct environmental impact. Its voltage levels and age of switchgear are typical for a facility of this scale, with standard environmental considerations for noise and electromagnetic fields.
Frequently asked questions
Hedrick Substation is located in Tucson, Arizona, United States, at coordinates 32.263324, -110.939833.
Hedrick Substation is owned and operated by Tucson Electric Power, a utility serving southern Arizona.
Hedrick Substation operates at voltage levels of 46,000 volts (46 kV) and 4,160 volts (4.16 kV), typical for a distribution substation.
As part of the U.S. grid, Hedrick Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
Substations like Hedrick step down high transmission voltages to lower distribution voltages, ensuring safe and reliable electricity delivery to homes and businesses.