Overview
Thompson Peak Substation is an operational 69 kV substation owned by Arizona Public Service in Arizona, United States. It plays a key role in local grid stability and power distribution.
Thompson Peak Substation is an operational electrical substation located in Arizona, United States, owned and operated by Arizona Public Service. The facility operates at a voltage level of 69 kV, classifying it as a medium-voltage substation that serves as a critical node in the regional power distribution network. As a substation within the US electrical infrastructure, Thompson Peak operates under the regulatory framework established by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). These standards ensure reliability and security of the bulk power system. The 69 kV voltage level is typical for sub-transmission and distribution substations that connect local distribution networks to higher-voltage transmission lines. The substation's role in the Arizona grid is significant for maintaining reliable electricity supply to surrounding communities and commercial areas. Its location in a state with growing energy demand underscores its importance in supporting grid stability and accommodating future load growth. The facility contributes to the overall resilience of the regional electrical infrastructure.
Environmental context
The substation is situated in a semi-arid region of Arizona, where high summer temperatures and occasional monsoon storms can impact grid operations. The facility's design likely incorporates measures to withstand extreme heat and dust, common in desert environments. Its urban or suburban location influences local environmental considerations, such as electromagnetic field management and visual impact mitigation.
Frequently asked questions
Thompson Peak Substation is located in Arizona, United States, at coordinates 33.636279, -111.864847. It is owned and operated by Arizona Public Service.
Thompson Peak Substation operates at a voltage of 69 kV, which is a medium-voltage level commonly used for sub-transmission and distribution in the US electrical grid.
Thompson Peak Substation is owned by Arizona Public Service, a major utility company serving Arizona.
Substations in the United States operate under NERC reliability standards and FERC regulations, which ensure grid stability and security. These standards cover equipment maintenance, cybersecurity, and operational protocols.
A 69 kV substation typically steps down voltage from higher transmission lines (e.g., 230 kV or 500 kV) for distribution to local networks, serving industrial, commercial, and residential customers.