181 MW Hydro operating in Walker, AL — Southern Company Services, Inc. - Trans
181 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1961
Operating Since
Coordinates
33.9406, -87.1077
County
Walker, AL
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Alabama Power Co | Alabama Power | — |
| Owner(s) | Alabama Power Co | Southern | — |
| Status | Operating | operating | — |
Lewis Smith Dam is a hydroelectric power plant located in Walker County, Alabama. The plant, which began operating in 1961, has a total capacity of 181 MW derived from two generators utilizing conventional hydroelectric technology. It is owned by Southern Company and operated by Alabama Power Co. The plant's primary fuel source is water (WAT).
In the most recent year of record, Lewis Smith Dam generated 219,011 MWh of electricity, resulting in a capacity factor of 13.9%. The plant operates within the balancing authority of Southern Company Services, Inc. - Trans and is situated in the SERC NERC region. According to available data, the plant ranks 5th out of 13 hydroelectric facilities in Alabama and 102nd out of 194 nationally. The installed cost of the plant was $354.71 per kW.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Southern Company Services, Inc. - Trans
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
15.1K MWh
Latest Month
219.0K MWh
Annual Generation
13.9%
Capacity Factor
$387/kW
Installed Cost
$8.1/MWh
Operating Cost
ALABAMA POWER COMPANY
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
U.S.-Japan investment framework takes shape around massive natural gas power projects
A 9.2 GW project in southern Ohio and up to 10 GW of NextEra hubs in Texas and Pennsylvania mark the first concrete steps under Japan's $550 billion U.S. commitment
DOE taps SoftBank arm to develop 9.2 GW of gas generation in Ohio
SB Energy, a subsidiary of Japan’s SoftBank Group, is also investing $4.2 billion with AEP Ohio to upgrade and build new transmission lines in Southern Ohio.
Southern Star Central Gas Pipeline, Inc.; Notice of Request Under Blanket Authorization and Establishing Intervention and Protest Deadline
Southern Star Central Gas Pipeline, Inc.; Notice of Scoping Period Requesting Comments on Environmental Issues for the Proposed Viola Project
Last updated 2026-03-25
View all 10 articles