LIME CREEK
OperatingOil power plant
- Capacity
- 90 MW
- Primary fuel
- Oil
- County
- Cerro Gordo County
- Operator
- INTERSTATE POWER AND LIGHT CO
- Status
- Operating
- Commissioned
- 1991
- EIA plant ID
- 7155
- Generators
- 2
- Technology
- Petroleum Liquids
- Net generation (2024)
- 0.115 GWh
- Capacity factor (2024, EIA nameplate)
- under 0.1%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 43.2477, -93.2048
LIME CREEK, a 90 MW Oil power plant in Cerro Gordo County, Iowa. Operated by INTERSTATE POWER AND LIGHT CO, commissioned 1991.
How LIME CREEK compares
With 90 MW of capacity, LIME CREEK ranks 48th among the 198 operating power plants Bywatts maps in Iowa and 2nd of the 77 operating Oil plants in the state. It accounts for about 9.6% of Iowa's operating Oil capacity and 0.6% of all operating capacity in the state. Nationally it is the 42nd-largest of the 544 operating Oil plants in the database. Commissioned in 1991, it is older than 61% of the 198 operating Iowa plants with a recorded commissioning year. Its operator, INTERSTATE POWER AND LIGHT CO, runs 8 operating plants in Iowa totaling 2,312 MW. It shares Cerro Gordo County with 2 other operating plants, EMERY STATION and HAWKEYE POWER PARTNERS LLC.
EIA-860 lists 2 generators at the site with 90 MW of nameplate capacity, all petroleum liquids technology. Net generation was 0.115 GWh in 2024 (a capacity factor under 0.1%).
Grid neighborhood
The closest transmission line found within 10 miles is a 161 kV line owned by MIDAMERICAN ENERGY CO, under 0.1 miles away. Another 13 operating power plants totaling 1,024 MW sit within 25 miles; the largest is EMERY STATION (603 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
LIME CREEK is a 90 MW oil power plant in Cerro Gordo County, IA, operated by INTERSTATE POWER AND LIGHT CO, commissioned in 1991. Cerro Gordo County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.4 of 5 at the 36th national percentile. Tornado is the leading peril, rated Relatively Moderate by FEMA at the 97th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Cerro Gordo County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Relatively Moderate | 97th | 4.9 of 5 | 0.54 |
| Heat wave | Very Low | 90th | 4.6 of 5 | 3.4 |
| Riverine flooding | Relatively Low | 72nd | 3.9 of 5 | 2.2 |
| Winter weather | Relatively High | 65th | 3.6 of 5 | 20.1 |
| Strong wind | Relatively Moderate | 60th | 3.4 of 5 | 3.9 |
| Lightning | Very Low | 43rd | 2.7 of 5 | 41.1 |
| Hail | Relatively Moderate | 41st | 2.6 of 5 | 4.6 |
| Ice storm | Relatively Low | 39th | 2.6 of 5 | 0.58 |
| Wildfire | Very Low | 22nd | 1.9 of 5 | <0.01 |
| Earthquake | Very Low | 12th | 1.5 of 5 | <0.01 |
| Hurricane | Very Low | 2nd | 1.1 of 5 | <0.01 |
Perils not assessed in Cerro Gordo 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 Cerro Gordo 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.