Overview
Double Tree Substation, operated by Arizona Public Service, is an operational 69 kV substation in Arizona, United States, supporting regional grid stability.
Double Tree Substation is an electrical substation located in Arizona, United States, operated by Arizona Public Service (APS). The facility operates at 69 kV, a standard sub-transmission voltage level that distributes power from higher-voltage transmission lines to local distribution networks. As part of APS's infrastructure, it plays a role in serving the Phoenix metropolitan area and surrounding communities. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the bulk power system. APS, as a vertically integrated utility, adheres to these standards to ensure grid stability and safety. The 69 kV voltage level is typical for sub-transmission substations that connect to distribution feeders serving residential, commercial, and industrial customers. Double Tree Substation contributes to the electrical infrastructure of Arizona, a state with growing energy demand due to population growth and economic development. The facility supports APS's efforts to maintain reliable power supply in a region characterized by hot summers and increasing renewable energy integration. Its operational status ensures continued service to the local grid, enhancing community resilience.
Environmental context
The substation is located in an urbanized area of Arizona, where high summer temperatures increase electricity demand for cooling. The facility's 69 kV voltage level is critical for distributing power from transmission lines to local distribution networks, supporting both residential and commercial loads. The surrounding environment includes arid desert terrain, which influences infrastructure design for heat dissipation and wildfire risk management.
Frequently asked questions
Double Tree Substation is located in Arizona, United States, with coordinates approximately 33.5681° N, -111.9784° W.
Double Tree Substation is operated by Arizona Public Service (APS), a major electric utility serving Arizona.
Double Tree Substation operates at 69 kV, which is a sub-transmission voltage level commonly used to distribute power to local distribution networks.
As part of the US bulk power system, Double Tree Substation must comply with NERC reliability standards and FERC regulations to ensure grid stability and safety.
A 69 kV substation steps down voltage from higher transmission lines (e.g., 230 kV or 500 kV) to distribution levels (e.g., 12 kV or 4 kV), serving residential, commercial, and industrial customers.