Overview
Evans Churchill Substation is an operational electrical substation in Phoenix, Arizona, owned and operated by Arizona Public Service. It operates at 69 kV, serving the local grid.
Evans Churchill Substation is an operational electrical substation located in Phoenix, Arizona, United States. Owned and operated by Arizona Public Service (APS), the facility plays a key 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 United States. As part of the APS system, Evans Churchill Substation operates under the regulatory oversight of the Arizona Corporation Commission and adheres to North American Electric Reliability Corporation (NERC) reliability standards. The 69 kV voltage level places it in the medium-voltage category, commonly used to distribute power from transmission lines to local distribution networks. The facility's urban location in Phoenix supports the growing electricity demand of the metropolitan area. The substation contributes to grid stability and reliability for the surrounding community. Its operational status ensures continued service to residential, commercial, and industrial customers in the Phoenix area. The facility's integration into the broader APS network underscores its importance in maintaining a resilient electrical infrastructure for the region.
Environmental context
Located in the urban environment of Phoenix, Arizona, the substation operates in a hot desert climate with high summer temperatures that drive peak electricity demand for air conditioning. The facility's 69 kV voltage level is critical for local distribution reliability, especially during extreme heat events. Urban substations like this one are typically designed with minimal environmental footprint, focusing on safety and grid stability rather than direct ecological impact.
Frequently asked questions
Evans Churchill Substation is located in Phoenix, Arizona, United States, at coordinates 33.458114, -112.065762.
Evans Churchill Substation operates at a voltage of 69 kV, which is a common medium-voltage level for sub-transmission and distribution substations in the United States.
The substation is owned and operated by Arizona Public Service (APS), a major electric utility serving Arizona.
Substations in the United States must comply with North American Electric Reliability Corporation (NERC) reliability standards and are regulated by state public utility commissions, such as the Arizona Corporation Commission for APS.
A 69 kV substation typically steps down voltage from higher transmission levels (e.g., 115 kV or 230 kV) for distribution to local networks, serving residential, commercial, and industrial customers.