Overview
Keystone Heights Substation #28 is an operational substation owned by Clay Electric Cooperative in Florida, United States. It operates at 230 kV, serving as a key node in the regional electrical grid.
Keystone Heights Substation #28 is an electrical substation located in Keystone Heights, Florida, United States. Owned and operated by Clay Electric Cooperative, the facility is part of the cooperative's transmission and distribution network, which serves over 70,000 members across north-central Florida. The substation operates at a voltage of 230 kV, classifying it as a high-voltage transmission-level asset critical for bulk power transfer and grid stability. As a 230 kV substation, Keystone Heights Substation #28 falls under the regulatory oversight of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC). It must comply with NERC reliability standards for transmission planning, protection systems, and cybersecurity. The substation likely employs modern switchgear and automation technologies, such as those based on the IEC 61850 standard, to ensure reliable operation and remote monitoring. The substation plays a vital role in delivering electricity to residential, commercial, and industrial customers in the Keystone Heights area. Its location in a rural-urban interface supports both local communities and agricultural operations. By stepping down transmission-level voltage for distribution, the facility enhances grid resilience and supports the integration of distributed energy resources, contributing to the overall reliability of the Florida electrical infrastructure.
Environmental context
Located in a region with a humid subtropical climate, Keystone Heights Substation #28 must withstand frequent thunderstorms and occasional hurricanes. The substation's design includes robust grounding and surge protection to mitigate lightning-induced faults. Its rural setting reduces exposure to urban heat island effects but requires vegetation management to prevent outages from tree contact. The facility's 230 kV operation necessitates careful siting to minimize electromagnetic field exposure near residential areas.
Frequently asked questions
Keystone Heights Substation #28 is located in Keystone Heights, Florida, United States, at coordinates 29.787306, -82.037470.
Keystone Heights Substation #28 operates at a voltage of 230 kV, which is typical for high-voltage transmission substations.
Keystone Heights Substation #28 is owned by Clay Electric Cooperative, a member-owned utility serving north-central Florida.
As a transmission-level substation in the United States, Keystone Heights Substation #28 must comply with NERC reliability standards and FERC regulations, including requirements for grid stability and cybersecurity.
A 230 kV substation steps down high-voltage electricity from transmission lines to lower voltages for distribution, ensuring reliable power delivery to homes and businesses while maintaining grid stability.