Overview
Cañez Substation is an operational electrical substation in Arizona, United States, operated by UESE. It operates at a voltage of 138 kV, serving as a key node in the regional transmission grid.
Cañez Substation is an operational electrical substation located in Arizona, United States. Operated by UESE, the facility plays a role in the regional transmission network, stepping down high-voltage electricity for distribution. The substation's 138 kV voltage level places it within the medium-to-high voltage range typical for sub-transmission and distribution substations in the US grid. 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 bulk power systems. As part of the US Western Interconnection, the facility adheres to standards such as NERC CIP for cybersecurity and NERC TPL for transmission planning. The 138 kV voltage class is common for regional power transfer, often connecting larger transmission lines to local distribution networks. Environmentally, the substation is situated in a semi-arid region of southern Arizona, near the border with Mexico. Its operation supports local communities and industries by ensuring stable electricity supply. The facility's design and maintenance consider local climate conditions, including high temperatures and dust, which can affect equipment performance. Overall, Cañez Substation contributes to grid reliability in a region with growing energy demand.
Environmental context
The substation is located in a semi-arid environment in southern Arizona, characterized by hot summers and mild winters. The region's climate poses challenges for electrical infrastructure, including thermal stress on transformers and switchgear. Dust and dry conditions can affect insulation and cooling systems. The facility's design likely incorporates measures to mitigate these environmental factors, such as dust-resistant enclosures and adequate cooling. Its location in a sparsely populated area reduces direct human exposure but requires robust transmission lines to connect to load centers.
Frequently asked questions
Cañez Substation is located in Arizona, United States, near coordinates 31.508437, -111.002016, close to the US-Mexico border.
Cañez Substation operates at a voltage of 138 kV, which is a common sub-transmission voltage level in the United States.
Cañez Substation is operated by UESE, a utility company responsible for managing the facility and ensuring reliable power transmission.
Substations in the US must comply with NERC reliability standards, including CIP for cybersecurity and TPL for transmission planning, as well as FERC regulations for interstate electricity transmission.
A 138 kV substation typically steps down high-voltage transmission power for distribution to local networks, serving as a critical node for regional grid stability and reliability.