Overview
Green Circle Substation is an operational 115 kV substation in the United States, owned and operated by PowerSouth Energy Cooperative. It plays a key role in regional grid stability.
Green Circle Substation is a 115 kV electrical substation located in the United States, owned and operated by PowerSouth Energy Cooperative. The facility is operational and serves as a critical node in the regional transmission network, stepping down voltage for distribution to local communities and industries. As a 115 kV substation, it operates at a medium voltage level typical for sub-transmission and distribution systems in the United States. The facility is subject to NERC reliability standards and FERC regulations, ensuring grid stability and compliance with mandatory reliability requirements. PowerSouth Energy Cooperative, a generation and transmission cooperative, manages this asset to support its member distribution systems across Alabama and Florida. The substation's location near the Florida Panhandle places it in a region vulnerable to hurricanes and severe weather, making grid resilience a key operational focus. The facility contributes to the reliability of electricity supply for residential, commercial, and industrial customers in the area, supporting economic activity and community well-being.
Environmental context
The substation is situated in a region with a humid subtropical climate, characterized by frequent thunderstorms and hurricane risks. Its 115 kV infrastructure is designed to withstand extreme weather events, though aging switchgear and exposure to coastal moisture can increase maintenance needs. The facility's location in a mixed urban-rural area requires careful management of electromagnetic fields and vegetation clearance to minimize environmental impact.
Frequently asked questions
Green Circle Substation is located in the United States, near the Florida Panhandle at coordinates 30.734432, -85.389684. It is owned and operated by PowerSouth Energy Cooperative.
Green Circle Substation operates at 115 kV, which is a common voltage level for sub-transmission and distribution substations in the United States.
Green Circle Substation is owned and operated by PowerSouth Energy Cooperative, a generation and transmission cooperative serving Alabama and Florida.
As a US electrical infrastructure asset, Green Circle Substation must comply with NERC reliability standards and FERC regulations, ensuring grid stability and operational safety.
A 115 kV substation steps down high-voltage transmission power to lower voltages for distribution to homes and businesses, playing a critical role in delivering electricity reliably.