Overview
Electrical District No. 4 Substation is an operational substation in the United States, owned by the Western Area Power Administration. It operates at 115 kV, serving as a key node in the regional grid.
Electrical District No. 4 Substation is an operational electrical substation located in the United States, owned and operated by the Western Area Power Administration (WAPA). The facility operates at a voltage of 115 kV, placing it within the sub-transmission to transmission voltage range typical for regional power distribution and grid interconnection. The substation is part of WAPA's extensive network, which manages federal hydroelectric power and transmission assets across the western United States. As a 115 kV facility, it likely serves as a distribution substation stepping down power from higher voltage transmission lines or as a switching station for local grid stability. The infrastructure adheres to NERC reliability standards and FERC regulations, ensuring grid security and operational compliance. Located in Arizona, the substation supports the electrical infrastructure of the surrounding region, contributing to reliable power delivery for residential, commercial, and industrial users. Its role in the WAPA system underscores its importance in integrating renewable energy sources and maintaining grid resilience in the southwestern United States.
Environmental context
The substation is situated in a semi-arid region of Arizona, where high temperatures and low humidity can affect equipment performance and maintenance schedules. The surrounding area is primarily agricultural and rural, with the substation playing a critical role in supporting local irrigation and farming operations. The facility's design likely incorporates measures to mitigate dust and heat impacts, such as insulated switchgear and cooling systems.
Frequently asked questions
Electrical District No. 4 Substation is located in Arizona, United States, near coordinates 32.734629, -111.567621.
The substation operates at 115 kV, which is a common voltage for sub-transmission and distribution networks.
The substation is owned and operated by the Western Area Power Administration (WAPA), a federal agency managing hydroelectric power and transmission.
As part of the US grid, the substation must comply with NERC reliability standards and FERC regulations for transmission and distribution assets.
A 115 kV substation typically steps down voltage from higher transmission lines for local distribution or serves as a switching station to enhance grid reliability and integrate renewable energy.