MORGAN CITY
Retired 2015Natural Gas power plant
- Capacity
- 70 MW
- Primary fuel
- Natural Gas
- County
- St. Mary Parish
- Operator
- LOUISIANA ENERGY & POWER AUTHORITY
- EIA plant ID
- 1449
- Coordinates
- 29.6914, -91.1885
MORGAN CITY, a retired 70 MW Natural Gas power plant in St. Mary Parish, Louisiana. It was retired in 2015, according to EIA-860.
How MORGAN CITY compares
It was retired in 2015 according to EIA-860, so it is not counted in Louisiana's operating fleet. Its operator, LOUISIANA ENERGY & POWER AUTHORITY, runs 3 operating plants in Louisiana totaling 18 MW. It shares St. Mary Parish with 3 other operating plants, including TECHE and NEPTUNE GAS PROCESSING PLANT.
Grid neighborhood
The closest transmission line found within 10 miles is a 230 kV line, about 0.8 miles away. Another 2 operating power plants totaling 47 MW sit within 25 miles; the largest is TECHE (42 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860 retirement records; distances are straight-line. Sources and methodology
Weather peril exposure
MORGAN CITY is a retired 70 MW natural gas power plant in St. Mary Parish, LA, formerly operated by LOUISIANA ENERGY & POWER AUTHORITY. St. Mary Parish carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.5 of 5 at the 88th national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 99th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
St. Mary Parish hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 99th | 4.9 of 5 | 0.23 |
| Lightning | Relatively Moderate | 90th | 4.6 of 5 | 88.2 |
| Heat wave | Relatively Low | 75th | 4.0 of 5 | 9.4 |
| Coastal flooding | Relatively High | 72nd | 3.9 of 5 | 3.8 |
| Strong wind | Relatively Low | 49th | 2.9 of 5 | 0.66 |
| Tornado | Relatively Moderate | 44th | 2.8 of 5 | 0.59 |
| Hail | Relatively Low | 36th | 2.4 of 5 | 0.92 |
| Winter weather | Relatively Low | 30th | 2.2 of 5 | 0.69 |
| Earthquake | Very Low | 27th | 2.1 of 5 | <0.01 |
| Ice storm | Relatively Low | 23rd | 1.9 of 5 | 0.12 |
| Wildfire | Very Low | 13th | 1.5 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 4th | 1.2 of 5 | 0.89 |
Model hail, wind and flood exposure for St. Mary Parish in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.