Overview
Lone Peak Substation is an operational electrical substation in Arizona, United States, owned and operated by Arizona Public Service. It handles voltages of 230 kV and 69 kV.
Lone Peak Substation is an operational electrical substation located in Arizona, United States. Owned and operated by Arizona Public Service (APS), the facility plays a key role in the regional power grid, serving the Phoenix metropolitan area. The substation operates at two voltage levels: 230 kV for transmission and 69 kV for sub-transmission, indicating its function as a step-down facility connecting high-voltage transmission lines to local distribution networks. As part of APS's infrastructure, Lone Peak Substation adheres to North American Electric Reliability Corporation (NERC) reliability standards and is subject to Federal Energy Regulatory Commission (FERC) oversight for transmission-level assets. The substation likely employs modern automation systems compliant with IEC 61850 standards, ensuring efficient monitoring and control. In the context of Arizona's growing population and energy demand, such substations are critical for maintaining grid stability and supporting renewable energy integration. The substation's location in the arid Sonoran Desert environment requires robust design to withstand extreme temperatures and dust. Its role in the APS network contributes to the reliable electricity supply for residential, commercial, and industrial customers in the region. The facility's dual-voltage capability enhances grid flexibility and resilience, supporting the state's energy transition goals.
Environmental context
Located in the Sonoran Desert, Lone Peak Substation operates in a hot, arid climate with extreme summer temperatures. The facility's design must account for thermal expansion of conductors and cooling needs for transformers. The surrounding ecosystem is adapted to low rainfall, and the substation's presence requires careful management of vegetation and wildlife to prevent outages. The substation's voltage levels and urban proximity underscore its criticality to grid stability in a region facing increasing energy demand and wildfire risks.
Frequently asked questions
Lone Peak Substation is located in Arizona, United States, near the Phoenix metropolitan area. Its coordinates are approximately 33.66° N, -112.06° W.
Lone Peak Substation operates at two voltage levels: 230 kV for transmission and 69 kV for sub-transmission, allowing it to step down power from high-voltage lines to local distribution networks.
Lone Peak Substation is owned and operated by Arizona Public Service (APS), a major electric utility serving Arizona.
As part of the U.S. bulk power system, Lone Peak Substation must comply with NERC reliability standards and FERC regulations for transmission assets. It likely uses IEC 61850 for substation automation.
The substation connects high-voltage transmission lines to lower-voltage distribution networks, ensuring reliable electricity supply to residential, commercial, and industrial customers in the Phoenix area.