Overview
Los Reales Substation is an operational 138 kV substation owned by Tucson Electric Power in Tucson, Arizona, serving the local electrical grid.
Los Reales Substation is a key electrical infrastructure facility located in Tucson, Arizona, United States. Operated by Tucson Electric Power, this 138 kV substation plays a critical role in the regional power distribution network, stepping down transmission-level voltage for local distribution. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring grid reliability and compliance with mandatory standards. As a 138 kV facility, it is classified as a sub-transmission asset, typical for serving urban and suburban areas in the southwestern United States. This substation supports the electrical needs of Tucson's growing population and economy, contributing to grid stability and resilience. Its location in a desert climate requires robust design to withstand high temperatures and occasional monsoon storms, ensuring continuous power delivery to homes and businesses.
Environmental context
Located in the Sonoran Desert, Los Reales Substation operates in a hot, arid climate with extreme summer temperatures and seasonal monsoon rains. The facility's design includes measures to manage thermal stress and prevent dust accumulation, which can affect insulation and equipment performance. Its urban setting near Tucson means it supports a dense population center, with environmental considerations focused on minimizing electromagnetic field impacts and ensuring safe operation within a residential-commercial interface.
Frequently asked questions
Los Reales Substation is located in Tucson, Arizona, United States, at coordinates 32.116577, -110.756822.
Los Reales Substation operates at 138 kV, which is a common sub-transmission voltage level in the United States.
Los Reales Substation is owned and operated by Tucson Electric Power, a utility serving southern Arizona.
Substations in the United States must comply with NERC reliability standards and FERC regulations, including requirements for grid stability, cybersecurity, and equipment maintenance.
As a 138 kV substation, Los Reales steps down transmission voltage for distribution to residential, commercial, and industrial customers in Tucson, enhancing grid reliability and capacity.