Overview
Marion Creek Substation is an operational electrical substation in Florida, United States, owned and operated by Duke Energy. It operates at voltage levels of 230 kV and 69 kV, serving the regional grid.
Marion Creek Substation is an operational electrical substation located in Florida, United States. Owned and operated by Duke Energy, this facility plays a key role in the regional electrical infrastructure, handling transmission and distribution voltages of 230 kV and 69 kV. The substation operates under the regulatory framework of the North American Electric Reliability Corporation (NERC) and the Federal Energy Regulatory Commission (FERC), which set reliability standards for the bulk power system. As a Duke Energy asset, it is part of a large investor-owned utility network serving millions of customers across the Southeast. This substation contributes to grid stability in central Florida, an area with growing population and industrial activity. Its dual voltage levels allow it to interconnect high-voltage transmission lines with lower-voltage distribution networks, supporting reliable electricity delivery to residential, commercial, and industrial users.
Environmental context
Located in central Florida, the substation operates in a region characterized by flat terrain, numerous lakes, and a humid subtropical climate. The area is prone to lightning strikes and tropical storms, which can affect grid reliability. The substation's design likely includes surge protection and weather-resistant equipment to mitigate these risks. Its proximity to residential and natural areas requires careful management of electromagnetic fields and noise.
Frequently asked questions
Marion Creek Substation is located in Florida, United States, at coordinates 28.119695, -81.552006.
Marion Creek Substation operates at 230,000 volts (230 kV) and 69,000 volts (69 kV), typical for transmission and sub-transmission applications.
Marion Creek Substation is owned and operated by Duke Energy, one of the largest electric power holding companies in the United States.
Substations in the United States must comply with NERC reliability standards and FERC regulations, which govern grid reliability, cybersecurity, and maintenance practices.
Substations transform voltage levels, switch circuits, and protect the grid. They are critical nodes that connect generation, transmission, and distribution systems.