Overview
Maryvale Substation is an operational electrical substation in Phoenix, Arizona, owned and operated by Salt River Project. It operates at 69 kV, serving the local grid.
Maryvale Substation is an operational electrical substation located in Phoenix, Arizona, United States. Owned and operated by Salt River Project, a major public utility in the Southwest, this facility plays a key role in distributing electricity to the surrounding residential and commercial areas. The substation operates at a voltage of 69 kV, classifying it as a medium-voltage substation typical for urban distribution networks. As part of the U.S. electrical infrastructure, Maryvale 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 and oversee interstate electricity transmission. The 69 kV voltage level is common for sub-transmission and distribution, connecting higher-voltage transmission lines to local distribution feeders. Salt River Project, as the operator, adheres to these standards to ensure grid stability and safety. Located in the Phoenix metropolitan area, Maryvale Substation supports the electrical needs of a densely populated urban region. Its role in the grid is critical for maintaining reliable power supply to homes, businesses, and critical infrastructure. The substation's operational status and integration into Salt River Project's network underscore its importance in the regional electrical landscape, contributing to the resilience and efficiency of the local power system.
Environmental context
The Maryvale Substation is situated in an urban environment in Phoenix, Arizona, where high summer temperatures and growing population drive significant electricity demand for cooling. The substation's 69 kV operation is typical for urban distribution, and its location in a residential and commercial area means it must balance reliability with minimal visual and noise impact. The surrounding desert climate poses challenges for equipment longevity, requiring robust maintenance practices to ensure continuous service.
Frequently asked questions
Maryvale Substation is located in Phoenix, Arizona, United States, at coordinates 33.509406, -112.219776.
Maryvale Substation is owned and operated by Salt River Project, a major public utility serving the Phoenix metropolitan area.
Maryvale Substation operates at a voltage of 69 kV, which is typical for sub-transmission and distribution substations in urban areas.
As part of the U.S. electrical grid, Maryvale Substation must comply with NERC reliability standards and FERC regulations to ensure safe and reliable operation.
A 69 kV substation like Maryvale serves as an interface between higher-voltage transmission lines and lower-voltage distribution networks, stepping down voltage for local use and ensuring grid stability.