Overview
Theodore Substation is an operational electrical substation in Theodore, Alabama, United States, operating at 230 kV and 115 kV voltage levels.
Theodore Substation is an operational electrical substation located in Theodore, Alabama, United States. The facility operates at dual voltage levels of 230 kV and 115 kV, indicating its role in both transmission and sub-transmission networks. As a substation, it serves as a critical node for voltage transformation and power distribution within the regional grid. 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 230 kV voltage level classifies it as a transmission-level asset, while the 115 kV level suggests distribution to local networks. Typical substations of this scale include switchgear, transformers, and protection systems compliant with standards such as IEEE C37. The facility's location in Theodore, near Mobile Bay, places it in a region with industrial and residential demand. Its role in stepping down voltage from transmission to sub-transmission levels supports grid stability and reliability for the surrounding area. The substation's operational status ensures continued service to the local community and industrial users.
Environmental context
The substation is situated in a coastal region of Alabama, which is prone to hurricanes and severe weather. This environmental context requires robust infrastructure design to withstand extreme winds and flooding, including elevated switchgear and reinforced structures. The facility's voltage levels and criticality to grid stability necessitate adherence to NERC reliability standards for extreme weather preparedness.
Frequently asked questions
Theodore Substation is located in Theodore, Alabama, United States, near Mobile Bay.
Theodore Substation operates at 230 kV and 115 kV, serving both transmission and sub-transmission functions.
The substation is regulated by the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC) under US reliability standards.
A 230/115 kV substation steps down high-voltage transmission power to lower voltages for distribution to industrial and residential customers, ensuring grid stability.
Coastal substations like Theodore must be designed to withstand hurricanes and flooding, with reinforced structures and emergency response plans to maintain reliability.