Overview
Surprise 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, serving the local grid.
Surprise Substation is an electrical substation located in Arizona, United States, owned and operated by Arizona Public Service. The facility is operational and plays a role in the regional power transmission and distribution network, supporting the growing energy demands of the Surprise area and surrounding communities. The substation operates at voltage levels of 230 kV and 69 kV, indicating its function in both high-voltage transmission and sub-transmission or distribution. As part of the Arizona Public Service system, it adheres to North American Electric Reliability Corporation (NERC) reliability standards and is subject to Federal Energy Regulatory Commission (FERC) regulation for transmission-level assets. The facility likely employs modern substation automation technologies, such as IEC 61850, to ensure reliable and efficient grid management. Surprise Substation is situated in a rapidly developing urban area in Maricopa County, Arizona, where population growth drives increased electricity demand. The substation's strategic location supports grid stability and provides essential infrastructure for residential, commercial, and industrial customers. Its operational status contributes to the resilience of the regional power system, particularly during peak demand periods in the hot desert climate.
Environmental context
The substation is located in the Sonoran Desert, characterized by extreme summer temperatures and high electricity demand for cooling. The facility's design likely incorporates measures to manage heat dissipation and ensure reliable operation under thermal stress. Its urban setting means it supports a dense population center, with potential considerations for electromagnetic field management and noise mitigation in compliance with local environmental regulations.
Frequently asked questions
Surprise Substation is located in Arizona, United States, near the city of Surprise in Maricopa County. Its coordinates are approximately 33.6355 N, -112.3435 W.
Surprise Substation operates at 230 kV and 69 kV, serving both transmission and sub-transmission functions within the Arizona Public Service grid.
Surprise Substation is owned and operated by Arizona Public Service (APS), a major electric utility serving Arizona.
As part of the US power grid, Surprise Substation must comply with NERC reliability standards for grid stability and FERC regulations for transmission assets. It also follows industry standards like IEC 61850 for substation automation.
Surprise Substation helps distribute electricity from high-voltage transmission lines to lower-voltage distribution networks, serving residential, commercial, and industrial customers in the Surprise area and supporting grid reliability.