Overview
Del Cerro Substation is an operational 138 kV substation owned by Tucson Electric Power in Tucson, Arizona. It plays a key role in the regional electrical grid.
Del Cerro Substation is a 138 kV electrical substation located in Tucson, Arizona, United States. Owned and operated by Tucson Electric Power, it is part of the company's transmission and distribution network serving the Tucson metropolitan area. The substation's voltage level of 138 kV places it in the sub-transmission category, typical for distributing power from high-voltage transmission lines to local distribution networks. As a substation operating at 138 kV, Del Cerro Substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission-level assets. The facility likely employs modern switchgear and protection systems to ensure grid stability and safety. Tucson Electric Power, a subsidiary of UNS Energy, serves over 400,000 customers in southern Arizona, and this substation is integral to maintaining reliable electricity supply in the region. The substation's location in Tucson, a city with a growing population and significant summer cooling demand, underscores its importance for peak load management. Its operational status ensures continued support for residential, commercial, and industrial customers. The facility contributes to grid resilience in an area prone to extreme heat and occasional monsoon storms, highlighting the need for robust electrical infrastructure.
Environmental context
The substation operates in the Sonoran Desert climate of Tucson, characterized by high temperatures and low humidity. The 138 kV voltage level indicates it handles substantial power flows, requiring careful thermal management to prevent overheating. Its urban location means it must comply with local noise and electromagnetic field regulations. The facility's design likely incorporates measures to withstand extreme heat and dust, common in the region.
Frequently asked questions
Del Cerro Substation is located in Tucson, Arizona, United States, at coordinates 32.297086, -111.042898.
Del Cerro Substation is owned and operated by Tucson Electric Power, a utility serving southern Arizona.
Del Cerro Substation operates at 138 kV, which is a sub-transmission voltage level used for distributing power from high-voltage lines to local networks.
Substations in the United States must comply with NERC reliability standards and FERC regulations for transmission assets, ensuring grid stability and safety.
Del Cerro Substation helps distribute electricity from transmission lines to local distribution networks, supporting residential, commercial, and industrial customers in Tucson.