Overview
Harquahala Substation is an operational electrical substation in the United States, operating at 500 kV. It plays a key role in high-voltage transmission within the regional grid.
Harquahala Substation is a high-voltage electrical substation located in the United States. Operating at 500 kV, it is a critical node in the transmission network, facilitating the efficient transfer of electricity over long distances. The substation is operational and serves as a key infrastructure asset for grid stability. As a 500 kV substation, Harquahala operates at extra-high voltage, typical for bulk power transmission. In the United States, such facilities are subject to NERC reliability standards and FERC regulation to ensure grid security and operational integrity. The substation likely employs modern switchgear and automation systems compliant with ISO/IEC 61850 standards for substation automation. The substation's location in a rural area of Arizona supports the integration of remote generation sources, such as solar or wind farms, into the broader grid. Its high-voltage capacity enables long-distance power transfer, contributing to regional energy reliability and supporting the growing demand for renewable energy transmission.
Environmental context
The substation is situated in a desert environment in western Arizona, characterized by arid conditions and high solar irradiance. This location is ideal for solar energy generation, and the substation likely facilitates the connection of solar farms to the grid. The surrounding area has low population density, reducing direct environmental impact from the facility itself.
Frequently asked questions
Harquahala Substation is located in the United States, specifically in Arizona near the Harquahala Mountains. Its coordinates are approximately 33.47742 N, -113.113505 W.
Harquahala Substation operates at 500 kV (500,000 volts), which is extra-high voltage used for bulk power transmission over long distances.
The operator of Harquahala Substation is not publicly listed, but it is likely owned and operated by a major utility or transmission company in the region, such as Arizona Public Service or Salt River Project.
As a high-voltage substation in the United States, Harquahala Substation must comply with NERC reliability standards and FERC regulations to ensure grid stability and security.
A 500 kV substation is used to step up or step down voltage for long-distance transmission, connecting power plants to load centers and ensuring efficient electricity transfer across the grid.