Overview
McMullin Substation is an operational electrical substation in Arizona, United States, owned and operated by Salt River Project. It operates at 69 kV, serving the local grid.
McMullin Substation is an operational electrical substation located in Arizona, United States. Owned and operated by Salt River Project, it plays a role in the regional power distribution network. The substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution-level infrastructure in the area. As part of the U.S. electrical grid, McMullin Substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These bodies enforce reliability standards for transmission and distribution assets. The substation's 69 kV voltage level places it in the medium-voltage category, commonly used for local distribution to industrial and residential customers. The substation's environmental context includes its location in a semi-arid region of Arizona, where high summer temperatures can affect equipment performance and cooling requirements. Its operational significance lies in supporting grid stability and power delivery to the surrounding communities, contributing to the reliability of the Salt River Project's service area.
Environmental context
Located in the Sonoran Desert region of Arizona, the substation operates in a hot, arid climate with extreme summer temperatures. This environment necessitates robust cooling and insulation systems to maintain equipment reliability. The surrounding area is characterized by low-density urban development and natural desert vegetation, with potential impacts from dust and wildlife. The substation's design and maintenance practices account for these local conditions to ensure continuous power distribution.
Frequently asked questions
McMullin Substation is located in Arizona, United States, at coordinates 33.568329, -111.723612.
McMullin Substation is owned and operated by Salt River Project, a major utility in Arizona.
McMullin Substation operates at 69 kV, which is a common voltage for sub-transmission and distribution substations in the United States.
As part of the U.S. electrical grid, McMullin Substation must comply with NERC reliability standards and FERC regulations for transmission and distribution assets.
A 69 kV substation typically steps down higher transmission voltages for local distribution, serving industrial, commercial, and residential customers. It is critical for grid stability and power delivery in its area.