Overview
Glenbrook Power Facility is a 69 kV substation in Arizona, operated by Salt River Project. It supports grid stability in the Phoenix metropolitan area.
Glenbrook Power Facility is a substation located in Arizona, United States, operated by Salt River Project. The facility operates at 69 kV, a standard sub-transmission voltage level that distributes power from higher-voltage transmission lines to local distribution networks. As part of the Salt River Project system, it serves the Phoenix metropolitan area, a region with high electricity demand due to population growth and industrial activity. 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. The facility's voltage level and role in the grid make it subject to NERC's Critical Infrastructure Protection (CIP) standards. Typical equipment includes circuit breakers, transformers, and switchgear, with automation often following IEEE standards. Glenbrook Power Facility plays a key role in maintaining grid reliability for the surrounding community. Its location in a rapidly growing urban area underscores its importance for supporting residential, commercial, and industrial loads. The substation's operational status ensures continued service, contributing to the resilience of the regional electrical infrastructure.
Environmental context
The facility is located in the Sonoran Desert, characterized by hot summers and low rainfall. Substations in this region require robust cooling and fire protection systems due to high ambient temperatures. The surrounding urban development increases the risk of vegetation encroachment and wildlife interactions, which are managed through routine maintenance. The facility's 69 kV operation has minimal direct environmental impact, but its role in grid stability supports energy efficiency and integration of renewable sources.
Frequently asked questions
Glenbrook Power Facility is located in Arizona, United States, at coordinates 33.625222, -111.717414. It is operated by Salt River Project.
Glenbrook Power Facility operates at 69 kV, which is a sub-transmission voltage level used to distribute power from high-voltage transmission lines to local distribution networks.
Glenbrook Power Facility is operated by Salt River Project, a major utility in Arizona that provides electricity and water services to the Phoenix metropolitan area.
Substations in the United States must comply with NERC reliability standards and FERC regulations. For 69 kV facilities, NERC's Critical Infrastructure Protection (CIP) standards may apply depending on their classification.
A 69 kV substation steps down voltage from higher transmission levels (e.g., 230 kV) to distribution levels (e.g., 12 kV), serving as a critical node for delivering electricity to residential, commercial, and industrial customers.