Iowa operates 331 power plants totaling 24,721 MW of nameplate capacity. Wind dominates the mix at 53%, followed by Coal (23%) and Natural Gas (17%). The largest plant is Walter Scott Jr Energy Center at 1,648 MW.
Showing the 120 largest plants by capacity. Iowa operates another 211 plants below this size — browse the lists below to reach them.
| Plant | City | Fuel | Capacity |
|---|---|---|---|
| Walter Scott Jr Energy Center | Council Bluffs | Coal | 1,648 MW |
| Louisa | Muscatine | Coal | 812 MW |
| Ottumwa | Ottumwa | Coal | 726 MW |
| Marshalltown Generating Station | Marshalltown | Natural Gas | 709 MW |
| George Neal South | Salix | Coal | 696 MW |
| Emery Station | Clear Lake | Natural Gas | 603 MW |
| George Neal North | Sergeant Bluff | Coal | 584 MW |
| Greater Des Moines | Pleasant Hill | Natural Gas | 576 MW |
| Highland Wind Project (Ia) | Primghar | Wind | 502 MW |
| Orient Wind Farm | Orient | Wind | 501 MW |
| Rolling Hills Wind Farm | Massena | Wind | 484 MW |
| Beaver Creek Wind | Ogden | Wind | 340 MW |
| North English | Montezuma | Wind | 340 MW |
| Palo Alto Wind Farm | Emmetsburg | Wind | 340 MW |
| Arbor Hill Wind Farm | Greenfield | Wind | 310 MW |
| Ida Grove Wind | Ida Grove | Wind | 301 MW |
| Pioneer Prairie Wind Farm | Mcintire | Wind | 300 MW |
| Upland Prairie | Spencer | Wind | 299 MW |
| Archer Daniels Midland Cedar Rapids | Cedar Rapids | Coal | 295 MW |
| Muscatine Plant #1 | Muscatine | Coal | 294 MW |
| Burlington (Ia) | Burlington | Natural Gas | 291 MW |
| Pomeroy Wind Farm | Fonda | Wind | 286 MW |
| Lansing | Lansing | Coal | 275 MW |
| Electrifarm | Waterloo | Natural Gas | 264 MW |
| Southern Hills Wind Farm | Creston | Wind | 254 MW |
| Diamond Trail Wind Farm | Ladora | Wind | 253 MW |
| Lundgren Wind Project | Otho | Wind | 251 MW |
| O'brien Wind | Primghar | Wind | 250 MW |
| Great Pathfinder Wind | Stratford | Wind | 224 MW |
| Prairie Creek | Cedar Rapids | Coal | 213 MW |
| Glaciers Edge Wind Project | Cleghorn | Wind | 212 MW |
| Eclipse Wind Farm | Adair | Wind | 207 MW |
| Ledyard Windpower, Llc | Lakota | Wind | 207 MW |
| Plymouth Wind | Remsen | Wind | 203 MW |
| Chickasaw Wind Farm | New Hampton | Wind | 202 MW |
| Whispering Willow North | Latimer | Wind | 201 MW |
| Century | Blairsburg | Wind | 201 MW |
| Ida Grove Ii | Ida Grove | Wind | 201 MW |
| Fpl Energy Crystal Lake Wind Ii Llc | Britt | Wind | 200 MW |
| Heartland Divide Ii | Audubon | Wind | 200 MW |
| Golden Plains | Buffalo Center | Wind | 200 MW |
| Whispering Willow Wind Farm - East | Iowa Falls | Wind | 200 MW |
| Turtle Creek Wind Farm Llc | St. Ansgar | Wind | 199 MW |
| Marshalltown | Marshalltown | Natural Gas | 189 MW |
| Exira | Brayton | Natural Gas | 182 MW |
| Archer Daniels Midland Clinton | Clinton | Coal | 180 MW |
| Pleasant Hill | Pleasant Hill | Natural Gas | 180 MW |
| Intrepid | Schaller | Wind | 176 MW |
| Adair Wind Farm | Adair | Wind | 175 MW |
| English Farms | Montezuma | Wind | 172 MW |