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Tennessee Hydropower Transmission & Interconnection(8-TN)

In Tennessee, a hydropower developer should consult local zoning regulations during the transmission siting process. A developer may need a Certificate of Public Convenience and Necessity from the Tennessee Public Utility Commission for certain transmission projects. Although Tennessee does not have an interconnection process, a developer may need to follow the Tennessee Valley Authority (TVA) interconnection process for a project that connects to facilities owned and operated by the TVA.

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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

Certificate of Public Good/Certificate of Public Convenience and Necessity (Certificate): A developer must obtain a Certificate of Public Convenience and Necessity (CCN) from the Tennessee Public Utility Commission to construct or operate a "line, plant, or system" for the public sale of electricity. Tenn. Code Ann. §65-4-208(a).
Certificate Regulatory Agency: Tennessee Public Utility Commission
Certificate Threshold: A person, public utility, or corporation, operating, constructing, or extending a transmission line. Tenn. Code Ann. §65-4-201(a).
Regulated Entity Definition: A public utility is defined as an “individual, copartnership, association, corporation, or joint stock company…that own[s], operate[s], manage[s] or control[s], within the state, any…electric light…[,]…power, …or any other like system, plant or equipment, affected by and dedicated to the public use, under privileges, franchises, licenses, or agreements, granted by the state or by any political subdivision.” Tenn. Code Ann. §65-4-101(6)(a).
Transmission Interconnection Request Process (Interconnection Request): Tennessee does not currently have a state specific interconnection request process.

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