RUSH ISLAND
Retired 2024Coal power plant
- Capacity
- 1,242 MW
- Primary fuel
- Coal
- County
- Jefferson County
- Operator
- UNION ELECTRIC CO - (MO)
- EIA plant ID
- 6155
- Coordinates
- 38.1315, -90.2634
RUSH ISLAND, a retired 1,242 MW Coal power plant in Jefferson County, Missouri. It was retired in 2024, according to EIA-860.
How RUSH ISLAND compares
It was retired in 2024 according to EIA-860, so it is not counted in Missouri's operating fleet. Its operator, UNION ELECTRIC CO - (MO), runs 11 operating plants in Missouri totaling 6,645 MW.
Grid neighborhood
The nearest named substation is RUSH ISLAND (345 kV), about 0.1 miles away; the closest transmission line found within 10 miles is a 345 kV line owned by UNION ELECTRIC CO - (MO), under 0.1 miles away. Another 4 operating power plants totaling 1,939 MW sit within 25 miles; the largest is BALDWIN ENERGY COMPLEX (1,894 MW, Coal). Within 50 miles are 2 mapped data centers; the nearest is Netrality St. Louis - 900 Walnut in St. Louis, about 34.3 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records, EIA-860 retirement records and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
RUSH ISLAND is a retired 1,242 MW coal power plant in Jefferson County, MO, formerly operated by UNION ELECTRIC CO - (MO). Jefferson County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.1 of 5 at the 77th national percentile. Strong wind is the leading peril, rated Very High by FEMA at the 90th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Jefferson County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Very High | 90th | 4.6 of 5 | 5.6 |
| Earthquake | Relatively Moderate | 89th | 4.5 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 88th | 4.5 of 5 | 1.8 |
| Hail | Relatively Moderate | 80th | 4.2 of 5 | 5.2 |
| Tornado | Relatively High | 66th | 3.6 of 5 | 0.48 |
| Winter weather | Relatively Moderate | 65th | 3.6 of 5 | 8.6 |
| Heat wave | Relatively Moderate | 53rd | 3.1 of 5 | 13.2 |
| Ice storm | Relatively Moderate | 50th | 3.0 of 5 | 1.2 |
| Lightning | Relatively High | 47th | 2.9 of 5 | 54.1 |
| Wildfire | Very Low | 31st | 2.3 of 5 | <0.01 |
| Hurricane | Very Low | 10th | 1.4 of 5 | 0.02 |
Perils not assessed in Jefferson County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Jefferson County 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.