228 MW Natural Gas operating in Caddo, LA — Southwest Power Pool
228 MW
Nameplate Capacity
2
Generators
units
Natural Gas Steam Turbine
Technology
1957
Operating Since
Coordinates
32.7047, -93.9597
County
Caddo, LA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Southwestern Electric Power Co | Southwestern Electric Power | — |
| Owner(s) | Southwestern Electric Power Co | American Electric Power Company | — |
| Status | Operating | — | — |
The Lieberman power plant is located in Caddo County, Louisiana. The plant, which began operating in 1957, has a total capacity of 228 MW across two natural gas steam turbine generators. It is owned by American Electric Power Company and operated by Southwestern Electric Power Co. Lieberman is ranked as the 24th largest power plant in Louisiana out of 32, and 722nd nationally out of 945 plants.
In the most recent year with available data, Lieberman generated 183,903 MWh, resulting in a capacity factor of 9.1%. The plant operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. Financial data indicates an installed cost of $134.17 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
138 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
7.1K MWh
Latest Month
183.9K MWh
Annual Generation
9.1%
Capacity Factor
$199/kW
Installed Cost
$79.1/MWh
Operating Cost
Southwestern Electric Power Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Lieberman 12 kV Substation · 12 kV
Substation Distance
0 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
CSWLIEBERMAN3
Pricing Hub
SPP South Hub
Node Source
Curated node match
Last updated 2026-03-14
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