Overview
San Manuel Substation is an operational electrical substation in Arizona, United States, owned and operated by Arizona Public Service. It operates at 115 kV, serving the local grid.
San Manuel Substation is an operational electrical substation located in Arizona, United States. Owned and operated by Arizona Public Service, the facility plays a key role in the regional power distribution network. The substation operates at a voltage of 115 kV, which is typical for sub-transmission and distribution-level infrastructure in the United States. As part of the Arizona Public Service system, the substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for grid stability. The 115 kV voltage level indicates it serves as a critical node for distributing power from higher-voltage transmission lines to local distribution networks. Substations of this scale are common in both urban and rural settings, supporting residential, commercial, and industrial loads. The substation's location in Arizona places it within a region experiencing growing electricity demand due to population growth and economic development. Its operational status ensures continued reliability for the surrounding community. The facility contributes to grid resilience by enabling voltage regulation and fault isolation, which are essential for maintaining stable power supply.
Environmental context
The substation is located in a semi-arid region of Arizona, where high summer temperatures can increase electricity demand for cooling. The facility's design likely incorporates measures to manage thermal stress on equipment. Its rural setting minimizes direct environmental impact, though the surrounding ecosystem includes desert habitats that may be sensitive to electromagnetic fields or construction activities. Standard mitigation practices, such as vegetation management and spill containment, are typically employed.
Frequently asked questions
San Manuel Substation is located in Arizona, United States, at coordinates 32.618579, -110.625862. It is owned and operated by Arizona Public Service.
San Manuel Substation operates at a voltage of 115 kV (115,000 volts), which is typical for sub-transmission and distribution-level substations in the United States.
San Manuel Substation is owned and operated by Arizona Public Service, a major utility company serving Arizona.
Substations in the United States, including San Manuel, must comply with NERC reliability standards and FERC regulations to ensure grid stability and safety.
A 115 kV substation steps down voltage from higher transmission lines (e.g., 230 kV or 500 kV) for distribution to local networks, serving residential, commercial, and industrial customers.