Ottumwa
20775 Power Plant Road, Ottumwa, IA 52501Plant Summary Information
Ottumwa is ranked #35 out of 122 coal plants nationwide in terms of total annual net electricity generation.
Ottumwa is comprised of 1 generator and generated 722.3 GWh during the 3-month period between March 2026 to June 2026.
| Plant Name | Ottumwa |
|---|---|
| Utility Name | Interstate Power and Light Co |
| Location | Wapello County, IA |
| Initial Operation Date | May 1981 |
| Last Update | Jun 2026 |
| Annual Generation | 3.4 TWh |
| Annual Consumption | 41.0 M MMBtu |
| Ranked #335 out of 13,094 Power Plants Nationwide | |
| Ranked #35 out of 122 Subbituminous Coal Power Plants Nationwide | |
| Ranked #3 out of 283 Iowa Power Plants | |
| Ranked #3 out of 9 Iowa Subbituminous Coal Power Plants | |
| Fuel Types | Subbituminous Coal : 99.6% |
Map of Ottumwa
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Ottumwa.
Monthly Net Generation for Ottumwa
Monthly Plant Fuel Consumption for Ottumwa
Ottumwa Details
| Summary Information | |
|---|---|
| Plant Name | Ottumwa (6254) |
| Plant Address | 20775 Power Plant Road, Ottumwa, IA 52501 |
| Utility | Interstate Power and Light Co (9417) |
| Latitude, Longitude | 41.0961, -92.55583 |
| Generation Dates on File | Jan 2001 to Jun 2026 |
| Initial Operation Date | May 1981 |
| Annual Generation | 3.4 TWh |
| Fuel Types | Subbituminous Coal : 99.6% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Des Moines River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | ITC Midwest LLC (56161) |
| Grid Voltage | 161.00 kV |
| Energy Storage | No |
Generator 1 Details Operating May 1981
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Jointly Owned |
| RTO ISO LMP Node Designation | ALTW.OTTUMW1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | ALTW.OTTUMW1 |
| Nameplate Capacity | 725.9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 714.1 MW |
| Winter Capacity | 726.8 MW |
| Minimum Load | 190 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | May 1981 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Subbituminous Coal |
| Startup Source | Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Multiple Fuels | No |
| Cofire Fuels | No |
Ottumwa Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| Interstate Power and Light Co | 200 First Street SE, Cedar Rapids, IA 52401 | 48.00% |
| MidAmerican Energy Co | 4299 NW Urbandale Drive, Urbandale, IA 50322 | 52.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Subbituminous Coal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #25 | Clay Boswell | Cohasset, MN | 5.7 TWh |
| #26 | Springerville | Springerville, AZ | 5.3 TWh |
| #27 | Columbia (WI) | Pardeville, WI | 5.2 TWh |
| #28 | Iatan | Weston, MO | 5.2 TWh |
| #29 | J H Campbell | West Olive, MI | 4.8 TWh |
| #30 | Gallatin (TN) | Gallatin, TN | 4.9 TWh |
| #31 | Louisa | Muscatine, IA | 4.3 TWh |
| #32 | Jim Bridger | Point of Rocks, WY | 6.9 TWh |
| #33 | Weston | Rothschild, WI | 3.9 TWh |
| #34 | Welsh | Pittsburg, TX | 3.4 TWh |
| #36 | Belle River | China Twp, MI | 4.5 TWh |
| #37 | Newton | Newton, IL | 3.3 TWh |
| #38 | Sandy Creek Energy Station | Riesel, TX | 3.2 TWh |
| #39 | Powerton | Pekin, IL | 3.2 TWh |
| #40 | Transalta Centralia Generation | Centralia, WA | 3.2 TWh |
| #41 | John W Turk Jr Power Plant | Fulton, AR | 3.1 TWh |
| #42 | Craig (CO) | Craig, CO | 3.1 TWh |
| #43 | Dave Johnston | Glen Rock, WY | 3.1 TWh |
| #44 | White Bluff | Redfield, AR | 3.0 TWh |
| #45 | Sioux | West Alton, MO | 3.6 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Ottumwa.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Bloomfield Municipal Utilities Solar | Bloomfield, IA | 2.0 GWh | 24.5 mi |
| Brooklyn | Brooklyn, IA | 14.0 MWh | 44 mi |
| Brooklyn City North Plant | Brooklyn, IA | 7.0 MWh | 44.9 mi |
| Cargill Corn Milling Division | Eddyville, IA | 112.1 GWh | 5.6 mi |
| CED Centerville Wind | Centerville, IA | 26.0 GWh | 30.7 mi |
| Diamond Trail Wind Farm | Ladora, IA | 854.1 GWh | 44.8 mi |
| English Farms | Montezuma, IA | 583.7 GWh | 33.6 mi |
| Grinnell College | Grinnell, IA | 1.6 GWh | 46.7 mi |
| High Prairie Wind Farm | Queen City, MO | 838.1 GWh | 48.3 mi |
| Hy-Vee Customer Hosted 2.25MW Solar | Chariton, IA | 4.3 GWh | 40.6 mi |
| Knoxville Industrial | Knoxville, IA | 225.0 MWh | 30.3 mi |
| Montezuma | Montezuma, IA | 115.0 MWh | 33.9 mi |
| North English | Montezuma, IA | 1.3 TWh | 37.9 mi |
| Ottumwa City of | Ottumwa, IA | 2.9 GWh | 9.2 mi |
| Pella Peaking | Pella, IA | 752.0 MWh | 29.4 mi |
| Prairie Wind Farm | Montezuma, IA | 613.7 GWh | 24.8 mi |
| Red Rock Hydro Plant | Pella, IA | 210.7 GWh | 29.1 mi |
| Unionville | Unionville, MO | 34.0 MWh | 50.3 mi |
| Unionville City of | Unionville, MO | 1.0 MWh | 48.9 mi |
| Venus Wind 3 LLC | Grinnell, IA | 9.5 GWh | 45 mi |