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74.1 MW Natural Gas operating in St Mary, LA
74.1 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combined Cycle
Technology
2016
Operating Since
Coordinates
29.6911, -91.1928
County
St Mary, LA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Louisiana Energy & Power Authority | Louisiana Energy & Power Authority | — |
| Owner(s) | Louisiana Energy & Power Authority | Louisiana Energy & Power Authority | — |
| Status | Operating | — | — |
LEPA Unit No. 1 is a natural gas-fired combined cycle power plant located in St. Mary County, Louisiana. The plant has a total capacity of 74.1 MW distributed across two generators. It is owned and operated by the Louisiana Energy & Power Authority. The plant began operating in 2016.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region. In terms of size, LEPA Unit No. 1 is ranked as the 38th largest power plant in Louisiana out of 51, and 1016th nationally out of 1963. The latest annual generation data indicates an output of 146,391 MWh, resulting in a capacity factor of 22.6%.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Political Subdivision
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
0 MWh
Latest Month
146.4K MWh
Annual Generation
22.6%
Capacity Factor
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CO₂ Intensity
990 lb/MWh
NOx
0.265 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
28.2%
Annual Net Gen
183 GWh
CO₂eq
991 lb/MWh
Subregion
SPP South
2016
$895/kW
Est. Construction Cost
Total estimated cost: $66.3M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
LEPA.CC.MGC_01
Pricing Hub
LOUISIANA.HUB
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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