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170 MW Hydro operating in Coosa, AL — Southern Company Services, Inc. - Trans
170 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1949
Operating Since
Coordinates
32.8060, -86.4449
County
Coosa, AL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alabama Power Co | Alabama Power | — |
| Owner(s) | Alabama Power Co | Southern | — |
| Status | Operating | operating | — |
Mitchell Dam is a 170 MW hydroelectric power plant located in Coosa County, Alabama. The plant began operating in 1949 and is owned by Southern Company and operated by Alabama Power Co. It utilizes conventional hydroelectric technology with water (WAT) as its primary fuel source. The facility consists of 4 generators. Mitchell Dam is ranked as the 8th largest hydroelectric plant out of 13 in Alabama, and 114th out of 194 nationally.
In the latest year of reported generation, Mitchell Dam produced 355,518 MWh of electricity, resulting in a capacity factor of 23.8%. The plant operates within the Southern Company Services, Inc. - Trans balancing authority and the SERC NERC region. Financial data indicates an installed cost of $1421.25 per kW.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
29.0K MWh
Latest Month
355.5K MWh
Annual Generation
23.8%
Capacity Factor
Run-of-river hydro · ALABAMA POWER COMPANY · Data from 2015–2024
$1,493/kW
Installed Cost
$5.1/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-26
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ask pi about Mitchell DamSouthern Company Services, Inc. - Trans (SOCO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility