Overview
Sundance Substation is an operational 230 kV substation in Arizona, owned and operated by Arizona Public Service. It plays a key role in regional grid stability and power distribution.
Sundance Substation is a high-voltage electrical substation located in Arizona, United States, owned and operated by Arizona Public Service. Operating at 230 kV, it is a critical node in the regional transmission network, facilitating the step-down of electricity for distribution to residential, commercial, and industrial customers. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), ensuring compliance with reliability standards for bulk power systems. As a 230 kV facility, it falls within the typical voltage range for sub-transmission and transmission substations, supporting grid stability and load balancing in the area. Sundance Substation contributes to the electrical infrastructure of Arizona by enhancing grid resilience and enabling the integration of diverse power sources. Its location in a region with growing energy demand underscores its importance in maintaining reliable electricity supply for communities and businesses.
Environmental context
The substation is situated in a semi-arid region of Arizona, where high summer temperatures and low humidity can affect equipment performance and maintenance schedules. The surrounding area is primarily agricultural and rural, with proximity to sensitive desert ecosystems. Proper management of insulating oils and SF6 gas is essential to minimize environmental impact, while the substation's design must account for extreme weather events such as monsoon storms and dust.
Frequently asked questions
Sundance Substation is located in Arizona, United States, at coordinates 32.929903, -111.590324.
Sundance Substation operates at 230 kV, which is a common voltage level for sub-transmission and transmission substations in the United States.
Sundance Substation is owned and operated by Arizona Public Service, a major utility company serving Arizona.
As part of the US bulk power system, Sundance Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and security.
A 230 kV substation typically steps down transmission-level voltage for distribution to local networks, serving as a critical link between high-voltage transmission lines and lower-voltage distribution systems.