Overview
Pinnacle Peak Substation is an operational electrical substation in Arizona, United States, handling high-voltage transmission at 500 kV, 345 kV, and 230 kV.
Pinnacle Peak Substation is a high-voltage electrical substation located in Arizona, United States. It is operational and serves as a critical node in the regional transmission grid, stepping down voltages from 500 kV to 345 kV and 230 kV for distribution to local networks. 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. The voltage levels indicate its role in long-distance power transmission, typical for large-scale substations in the US Southwest. As part of the interconnected Western Interconnection, Pinnacle Peak Substation supports grid stability and electricity delivery to urban and industrial areas in Arizona. Its location in a semi-arid region requires robust design to withstand temperature extremes and dust, contributing to reliable power supply for communities and businesses.
Environmental context
The substation is situated in a semi-arid desert environment near Phoenix, Arizona, where high temperatures and low humidity pose challenges for equipment cooling and insulation. The surrounding area includes urban development and natural desert habitats, requiring careful management of electromagnetic fields and vegetation to prevent wildfires. The facility's design incorporates measures to mitigate heat stress on transformers and switchgear, ensuring operational reliability in extreme weather conditions.
Frequently asked questions
Pinnacle Peak Substation is located in Arizona, United States, near the city of Phoenix. Its coordinates are approximately 33.704637 N, -111.938408 W.
Pinnacle Peak Substation handles high-voltage transmission at 500 kV, 345 kV, and 230 kV, making it a key node in the regional power grid.
Pinnacle Peak Substation is regulated by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which enforce reliability standards for the US bulk power system.
Substations like Pinnacle Peak transform voltage levels for efficient long-distance transmission and local distribution, ensuring grid stability and reliable electricity supply to homes and businesses.
The semi-arid desert climate in Arizona requires substations to use cooling systems and dust-resistant insulation to maintain performance during high temperatures and dry conditions, reducing the risk of equipment failure.