RAPID/BulkTransmission/South Carolina/Transmission

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South Carolina Bulk Transmission Siting & Regulation(8-SC)

In South Carolina, a bulk transmission developer may need a Certificate of Environmental Compatibility and Public Convenience and Necessity from the South Carolina Public Service Commission before constructing and/or operating a "major utility facility" which includes "any transmission line with a designed voltage of 125 kV or more."

More Information

Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.


Permitting at a Glance

South Carolina Federal

Transmission Siting: South Carolina does not have a state comprehensive siting process for transmission project development.
Preemptive Authority: The South Carolina Public Service Commission has primary authority over electric utilities siting transmission lines.
Regulated Entity Definition: A major utility facility is defined as an electric transmission line and associated facilities that operate at 125 kV or more. S.C. Code Ann. § 58-33-20.
Public Utility Certificate Threshold: Any person must receive a Certificate of Environmental Compatibility and Public Convenience and Necessity from the South Carolina Public Service Commission to construct a major utility facility. S.C. Code Ann. § 58-33-110.
Processing Timeframe: There is no statutorily mandated time frame for approval.