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50.9 MW Waste Heat operating in St Mary, LA — Midcontinent Independent Transmission System Operator, Inc..
50.9 MW
Nameplate Capacity
1
Generators
unit
All Other
Technology
2019
Operating Since
Coordinates
29.6853, -91.4730
County
St Mary, LA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Cleco Power LLC | Cleco Power | — |
| Owner(s) | Cleco Power LLC | Cleco Corporate Holdings | — |
| Status | Operating | — | — |
The St. Mary Clean Energy Center is a 50.9 MW power plant located in St. Mary County, Louisiana. The facility, which began operating in 2019, utilizes waste heat (WH) as its primary fuel source and is operated by Cleco Power LLC, a subsidiary of Cleco Corporate Holdings. It has one generator employing "All Other" technology. The plant is within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the SERC NERC region. St. Mary Clean Energy Center is ranked as the largest of six waste heat plants in Louisiana and the sixth largest of 31 such plants nationally.
In its most recent year of operation, the plant generated 201,188 MWh of electricity, achieving a capacity factor of 45.0%. Financial data indicates an installed cost of $2611.75 per kW. The power plant also has a PPA price of $7.5 per MWh.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
17.9K MWh
Latest Month
201.2K MWh
Annual Generation
45.0%
Capacity Factor
Cleco Power LLC · Data from 2019–2025
$7.5/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
LOUISIANA.HUB
Node Source
OSM spatial match
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ask pi about St. Mary Clean Energy CenterMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
34.5 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility