Preliminary 2025 facility recordOperating

Rock Island, TN · EIA plant 3404

Great Falls (TN)

Great Falls (TN) is a hydro power facility in Rock Island, TN, with 34 MW of operating capacity.

Operating capacity34 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityTennessee Valley AuthorityEIA-reported operator
Balancing authorityTVATennessee Valley Authority

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro34 MW
ProposedNo proposed capacity reported
Reported technologiesConventional Hydroelectric

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source