Official EIA-861 State Grid Summary
Iowa Power Outage Risk, Electric Utilities & Generator Sizing
Iowa households average 2.8 hrs/yr (167 minutes/year) of total blackout duration across 1.15 outages/year (Reliability Grade B — Moderate Outage Risk), with an average residential electricity rate of 13.49 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Iowa
Check the appliances you need to keep running during a blackout. We calculate your continuous running watts, highest motor starting surge, and 20% NEC safety headroom automatically.
Live Sizing Result (+20% Headroom)
3,000 W
Recommended Minimum Generator / Inverter Rating
1,250 WContinuous Running
2,250 WPeak Motor Surge
Top Cities & Towns in Iowa
Des Moines→Cedar Rapids→Davenport→Sioux→Ankeny→Iowa→West Des Moines→Ames→Waterloo→Council Bluffs→Dubuque→Urbandale→Marion→Cedar Falls→Bettendorf→Waukee→Marshalltown→Mason→Ottumwa→Johnston→Fort Dodge→Clinton→Coralville→Burlington→Muscatine→Altoona→North Liberty→Clive→Grimes→Indianola→Newton→Norwalk→Boone→Pleasant Hill→Storm Lake→Oskaloosa→Spencer→Pella→Le Mars→Waverly→Carroll→Fort Madison→Bondurant→Fairfield→Grinnell→Keokuk→Sioux Center→Mount Pleasant→Denison→Perry→Webster→Clear Lake→Decorah→Knoxville→Creston→Hiawatha→Washington→Nevada→Charles→Eldridge→Adel→Atlantic→Tiffin→Orange→Polk→Independence→Maquoketa→Asbury→Anamosa→Estherville→Oelwein→DeWitt→Osceola→Sheldon→Spirit Lake→Winterset→Red Oak→Centerville→Algona→Sergeant Bluff→Clarinda→Manchester→Glenwood→Cherokee→Windsor Heights→Iowa Falls→Vinton→Harlan→Shenandoah→Le Claire→Humboldt→Huxley→Dyersville→Camanche→Mount Vernon→Evansdale→Carlisle→Hampton→Chariton→Forest→Jefferson→Monticello→Rock Valley→Cresco→Waukon→Carter Lake→West Liberty→Emmetsburg→Eagle Grove→Albia→Osage→Story→New Hampton→Williamsburg→Robins→Solon→Milford→West Burlington→Tipton→Garner→
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Electric Utilities Operating in Iowa (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| MidAmerican Energy Co (#12341) | Investor-Owned | 632,436 | 1.27x/yr | 219 min (3.6h) | 172 min | 11.01 ¢/kWh |
| Interstate Power and Light Co (#9417) | Investor-Owned | 417,153 | 1.08x/yr | 116 min (1.9h) | 108 min | 17.90 ¢/kWh |
| Linn County REC (#11053) | Cooperative | 30,323 | 1.50x/yr | 116 min (1.9h) | 77 min | 14.23 ¢/kWh |
| City of Ames - (IA) (#554) | Municipal | 24,979 | 0.47x/yr | 39 min (0.7h) | 83 min | 12.10 ¢/kWh |
| Eastern Iowa Light & Power Coop (#5605) | Cooperative | 20,749 | 1.29x/yr | 220 min (3.7h) | 170 min | 13.56 ¢/kWh |
| Cedar Falls Utilities (#3203) | Municipal | 17,772 | 0.07x/yr | 3 min (0.1h) | 44 min | 10.42 ¢/kWh |
| Midland Power Coop (#12450) | Cooperative | 11,939 | 1.44x/yr | 124 min (2.1h) | 86 min | 13.60 ¢/kWh |
| Maquoketa Valley Rrl Elec Coop (#12642) | Cooperative | 11,051 | 1.20x/yr | 134 min (2.2h) | 111 min | 13.76 ¢/kWh |
| Board of Water Electric & Communications (#13143) | Municipal | 10,123 | 0.53x/yr | 41 min (0.7h) | 76 min | 12.63 ¢/kWh |
| Allamakee-Clayton El Coop, Inc (#329) | Cooperative | 9,962 | 1.15x/yr | 167 min (2.8h) | 145 min | 16.51 ¢/kWh |
| Iowa Lakes Electric Coop (#9425) | Cooperative | 9,714 | 0.48x/yr | 45 min (0.7h) | 94 min | 13.78 ¢/kWh |
| North West Rural Electric Coop (#17260) | Cooperative | 9,400 | 0.50x/yr | 45 min (0.8h) | 92 min | 9.26 ¢/kWh |
| Access Energy Coop (#16611) | Cooperative | 8,850 | 1.56x/yr | 192 min (3.2h) | 123 min | 14.95 ¢/kWh |
| East-Central Iowa Rural Elec Coop (#5588) | Cooperative | 7,368 | 0.53x/yr | 38 min (0.6h) | 71 min | 13.28 ¢/kWh |
| Consumers Energy Coop - (IA) (#11788) | Cooperative | 6,922 | 1.54x/yr | 494 min (8.2h) | 319 min | 15.00 ¢/kWh |
| Indianola Municipal Utilities (#9275) | Municipal | 6,621 | 1.15x/yr | 167 min (2.8h) | 145 min | 11.76 ¢/kWh |
| T I P Rural Electric Coop (#18446) | Cooperative | 6,593 | 1.15x/yr | 167 min (2.8h) | 145 min | 12.00 ¢/kWh |
| City of Spencer - (IA) (#17783) | Municipal | 6,302 | 1.15x/yr | 167 min (2.8h) | 145 min | 9.01 ¢/kWh |
| Chariton Valley Elec Coop, Inc (#3314) | Cooperative | 6,292 | 1.15x/yr | 167 min (2.8h) | 145 min | 14.26 ¢/kWh |
| Southwest Iowa Rural Elec Coop (#49986) | Cooperative | 6,062 | 1.15x/yr | 167 min (2.8h) | 145 min | 13.57 ¢/kWh |
| MiEnergy Cooperative (#19157) | Cooperative | 6,006 | 0.64x/yr | 69 min (1.2h) | 108 min | 16.91 ¢/kWh |
| Clarke Electric Coop Inc - (IA) (#3722) | Cooperative | 5,755 | 1.15x/yr | 167 min (2.8h) | 145 min | 13.37 ¢/kWh |
| Western Iowa Power Coop (#19437) | Cooperative | 5,600 | 1.15x/yr | 167 min (2.8h) | 145 min | 15.28 ¢/kWh |
| City of Pella - (IA) (#14645) | Municipal | 5,332 | 1.15x/yr | 167 min (2.8h) | 145 min | 9.16 ¢/kWh |
| Waverly Municipal Elec Utility (#20214) | Municipal | 5,151 | 1.15x/yr | 167 min (2.8h) | 145 min | 12.04 ¢/kWh |
| Farmers Electric Coop, Inc - (IA) (#6112) | Cooperative | 5,108 | 1.15x/yr | 167 min (2.8h) | 145 min | 11.77 ¢/kWh |
| Guthrie County Rural E C A (#7750) | Cooperative | 4,960 | 1.15x/yr | 167 min (2.8h) | 145 min | 9.05 ¢/kWh |
| Southern Iowa Elec Coop, Inc (#17643) | Cooperative | 4,807 | 1.15x/yr | 167 min (2.8h) | 145 min | 16.35 ¢/kWh |
| Atlantic Municipal Utilities (#965) | Municipal | 4,687 | 1.15x/yr | 167 min (2.8h) | 145 min | 7.09 ¢/kWh |
| City of Webster City - (IA) (#20259) | Municipal | 4,461 | 1.15x/yr | 167 min (2.8h) | 145 min | 12.03 ¢/kWh |
| Heartland Power Coop (#8319) | Cooperative | 4,351 | 0.80x/yr | 78 min (1.3h) | 97 min | 12.67 ¢/kWh |
| City of Mt Pleasant - (IA) (#13038) | Municipal | 3,947 | 1.15x/yr | 167 min (2.8h) | 145 min | 15.27 ¢/kWh |
| Harrison County Rrl Elec Coop (#8283) | Cooperative | 3,929 | 1.15x/yr | 167 min (2.8h) | 145 min | 10.41 ¢/kWh |
| Butler County Rural Elec Coop - (IA) (#2652) | Cooperative | 3,898 | 0.75x/yr | 86 min (1.4h) | 114 min | 15.43 ¢/kWh |
| City of Algona - (IA) (#309) | Municipal | 3,831 | 1.15x/yr | 167 min (2.8h) | 145 min | 10.14 ¢/kWh |