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72.9 MW Hydro operating in Calhoun, AL — Southern Company Services, Inc. - Trans
72.9 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1966
Operating Since
Coordinates
33.7845, -86.0524
County
Calhoun, AL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alabama Power Co | Alabama Power | — |
| Owner(s) | Alabama Power Co | Southern | — |
| Status | Operating | operating | — |
H Neely Henry Dam is a hydroelectric power plant located in Calhoun County, Alabama. The plant, which began operating in 1966, has a total capacity of 72.9 MW consisting of 3 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. H Neely Henry Dam is ranked as the 17th largest power plant in Alabama out of 23, and 243rd nationally out of 1464 plants.
The plant's latest annual generation was 179,881 MWh, resulting in a capacity factor of 28.1%. Financial data indicates an installed cost of $934.52 per kW. The balancing authority for the plant is Southern Company Services, Inc. - Trans, and it is located within the SERC NERC region. Financial data is sourced from FERC filings.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
15.9K MWh
Latest Month
179.9K MWh
Annual Generation
28.1%
Capacity Factor
Energy storage · ALABAMA POWER COMPANY · Data from 2015–2024
$969/kW
Installed Cost
$9.4/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 H Neely Henry DamSouthern Company Services, Inc. - Trans (SOCO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility