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128.1 MW Hydro operating in Talladega, AL — Southern Company Services, Inc. - Trans
128.1 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1964
Operating Since
Coordinates
33.4259, -86.3375
County
Talladega, AL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alabama Power Co | Alabama Power | — |
| Owner(s) | Alabama Power Co | Southern | — |
| Status | Operating | operating | — |
Logan Martin Dam is a hydroelectric power plant located in Talladega County, Alabama. The plant, which began operating in 1964, has a total capacity of 128.1 MW derived from three generators. It is owned by Southern Company and operated by Alabama Power Co. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. Logan Martin Dam ranks as the 10th largest of 13 hydroelectric plants in Alabama, and 152nd nationally out of 194 plants.
In the most recent year with available data, Logan Martin Dam generated 297,273 MWh of electricity, resulting in a capacity factor of 26.4%. The plant operates within the balancing authority of Southern Company Services, Inc. - Trans and is located in the SERC NERC region. Financial data indicates an installed cost of $1496.83 per kW.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
25.0K MWh
Latest Month
297.3K MWh
Annual Generation
26.4%
Capacity Factor
Energy storage · ALABAMA POWER COMPANY · Data from 2015–2024
$1,682/kW
Installed Cost
$9.8/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 Logan Martin DamSouthern Company Services, Inc. - Trans (SOCO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility