Official EIA-861 State Grid Summary
Colorado Power Outage Risk, Electric Utilities & Generator Sizing
Colorado households average 4.3 hrs/yr (255 minutes/year) of total blackout duration across 1.41 outages/year (Reliability Grade C — Elevated Storm Risk), with an average residential electricity rate of 14.89 ¢/kWh.
Interactive Appliance Load Calculator
⚡ Home Backup Wattage Sizer for Colorado
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 Colorado
Denver→Colorado Springs→Aurora→Fort Collins→Lakewood→Thornton→Arvada→Westminster→Greeley→Pueblo→Centennial→Boulder→Longmont→Castle Rock→Loveland→Broomfield→Grand Junction→Commerce→Parker→Littleton→Brighton→Windsor→Erie→Northglenn→Englewood→Wheat Ridge→Lafayette→Fountain→Evans→Montrose→Louisville→Johnstown→Golden→Durango→Firestone→Frederick→Cañon→Greenwood→Castle Pines→Lone Tree→Federal Heights→Fruita→Superior→Berthoud→Steamboat Springs→Monument→Sterling→Wellington→Fort Morgan→Severance→Timnath→Rifle→Glenwood Springs→Fort Lupton→Alamosa→Delta→Gypsum→Cortez→Milliken→Craig→Lochbuie→Trinidad→Woodland Park→Lamar→Eagle→La Junta→Gunnison→Carbondale→Dacono→Mead→Aspen→Cherry Hills→Salida→Sheridan→Avon→Eaton→Estes Park→Brush→Silverthorne→New Castle→Breckenridge→Edgewater→Manitou Springs→Vail→Glendale→Monte Vista→Basalt→Bennett→Florence→Rocky Ford→Silt→Yuma→Orchard→Burlington→Buena Vista→Walsenburg→Snowmass→Bayfield→Platteville→Elizabeth→Frisco→Ault→Leadville→Palisade→Palmer Lake→Telluride→Cedaredge→Meeker→Wray→Las Animas→Granby→La Salle→Holyoke→Rangely→Lyons→Keenesburg→Limon→Olathe→Hayden→Center→
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Electric Utilities Operating in Colorado (EIA Form 861)
| Utility Name | Ownership | Customers | Outages/Yr | Annual Outage Time | Avg Restoration | Residential Rate |
|---|---|---|---|---|---|---|
| Public Service Co of Colorado (#15466) | Investor-Owned | 1,365,053 | 1.68x/yr | 352 min (5.9h) | 209 min | 15.05 ¢/kWh |
| City of Colorado Springs - (CO) (#3989) | Municipal | 216,771 | 0.87x/yr | 63 min (1.0h) | 72 min | 14.45 ¢/kWh |
| CORE Electric Cooperative (#9336) | Cooperative | 165,067 | 0.93x/yr | 212 min (3.5h) | 228 min | 15.04 ¢/kWh |
| United Power, Inc (#19499) | Cooperative | 101,502 | 1.20x/yr | 77 min (1.3h) | 64 min | 15.75 ¢/kWh |
| Black Hills Colorado Electric, LLC (#56146) | Investor-Owned | 89,252 | 2.39x/yr | 323 min (5.4h) | 135 min | 17.05 ¢/kWh |
| City of Fort Collins - (CO) (#6604) | Municipal | 70,803 | 0.24x/yr | 11 min (0.2h) | 46 min | 13.21 ¢/kWh |
| Mountain View Elec Assn, Inc (#13058) | Cooperative | 59,789 | 0.49x/yr | 56 min (0.9h) | 114 min | 15.52 ¢/kWh |
| Holy Cross Electric Assn, Inc (#8773) | Cooperative | 49,982 | 1.16x/yr | 56 min (0.9h) | 49 min | 12.04 ¢/kWh |
| Poudre Valley REA, Inc (#15257) | Cooperative | 49,587 | 1.33x/yr | 325 min (5.4h) | 243 min | 12.21 ¢/kWh |
| City of Longmont (#11187) | Municipal | 40,855 | 0.47x/yr | 19 min (0.3h) | 41 min | 12.30 ¢/kWh |
| La Plata Electric Assn, Inc (#10539) | Cooperative | 39,931 | 1.44x/yr | 184 min (3.1h) | 128 min | 16.71 ¢/kWh |
| City of Loveland - (CO) (#11256) | Municipal | 37,007 | 0.18x/yr | 81 min (1.3h) | 441 min | 14.40 ¢/kWh |
| Delta Montrose Electric Assn (#5086) | Cooperative | 32,575 | 1.42x/yr | 158 min (2.6h) | 111 min | 14.97 ¢/kWh |
| San Isabel Electric Assn, Inc (#16616) | Cooperative | 23,289 | 0.75x/yr | 81 min (1.4h) | 109 min | 17.78 ¢/kWh |
| Yampa Valley Electric Assn Inc (#21081) | Cooperative | 23,253 | 2.20x/yr | 294 min (4.9h) | 134 min | 16.76 ¢/kWh |
| Mountain Parks Electric, Inc (#13050) | Cooperative | 19,183 | 1.76x/yr | 149 min (2.5h) | 84 min | 15.98 ¢/kWh |
| Grand Valley Power (#7563) | Cooperative | 17,268 | 1.00x/yr | 94 min (1.6h) | 100 min | 15.94 ¢/kWh |
| City of Fountain (#6638) | Municipal | 17,242 | 0.15x/yr | 18 min (0.3h) | 120 min | 13.74 ¢/kWh |
| Sangre De Cristo Elec Assn Inc (#16649) | Cooperative | 14,568 | 1.41x/yr | 255 min (4.3h) | 181 min | 18.66 ¢/kWh |
| Empire Electric Assn, Inc (#5862) | Cooperative | 12,899 | 1.76x/yr | 158 min (2.6h) | 90 min | 15.31 ¢/kWh |
| San Miguel Power Assn, Inc (#16622) | Cooperative | 12,154 | 1.41x/yr | 255 min (4.3h) | 181 min | 16.32 ¢/kWh |
| Gunnison County Elec Assn. (#7787) | Cooperative | 11,738 | 1.41x/yr | 255 min (4.3h) | 181 min | 17.36 ¢/kWh |
| Town of Estes Park (#5997) | Municipal | 11,250 | 1.41x/yr | 255 min (4.3h) | 181 min | 15.57 ¢/kWh |
| San Luis Valley R E C, Inc (#16603) | Cooperative | 9,115 | 1.78x/yr | 296 min (4.9h) | 166 min | 18.38 ¢/kWh |
| Southeast Colorado Power Assn (#17592) | Cooperative | 8,148 | 1.00x/yr | 675 min (11.2h) | 100 min | 17.22 ¢/kWh |
| City of Glenwood Springs - (CO) (#7300) | Municipal | 6,573 | 1.41x/yr | 255 min (4.3h) | 181 min | 8.85 ¢/kWh |
| City of Fort Morgan (#6610) | Municipal | 5,999 | 1.41x/yr | 255 min (4.3h) | 181 min | 6.97 ¢/kWh |
| Morgan County Rural Elec Assn (#12860) | Cooperative | 5,825 | 1.00x/yr | 162 min (2.7h) | 100 min | 14.37 ¢/kWh |
| Highline Electric Assn (#8570) | Cooperative | 5,047 | 1.41x/yr | 255 min (4.3h) | 181 min | 14.12 ¢/kWh |
| Y-W Electric Assn Inc (#21075) | Cooperative | 4,876 | 1.00x/yr | 270 min (4.5h) | 100 min | 15.64 ¢/kWh |
| City of Trinidad - (CO) (#19204) | Municipal | 4,680 | 1.41x/yr | 255 min (4.3h) | 181 min | 17.46 ¢/kWh |
| City of Gunnison - (CO) (#7826) | Municipal | 4,658 | 1.41x/yr | 255 min (4.3h) | 181 min | 11.62 ¢/kWh |
| City of Lamar - (CO) (#10633) | Municipal | 4,096 | 1.41x/yr | 255 min (4.3h) | 181 min | 17.43 ¢/kWh |
| City of La Junta - (CO) (#10536) | Municipal | 3,808 | 1.41x/yr | 255 min (4.3h) | 181 min | 14.07 ¢/kWh |
| City of Delta - (CO) (#5036) | Municipal | 3,706 | 1.41x/yr | 255 min (4.3h) | 181 min | 12.50 ¢/kWh |