Colorado Power Outage History
53 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.
Counties tracked
53
Avg national percentile
70th
Higher = more reliable
Grade F counties
1
County rankings (worst to best)
| County | Grade | National percentile |
|---|---|---|
| Clear Creek County | F | 16th |
| Cheyenne County | D | 20th |
| Jackson County | D | 22nd |
| Park County | D | 23rd |
| Summit County | D | 24th |
| Conejos County | D | 29th |
| Kit Carson County | D | 31st |
| Archuleta County | C | 44th |
| Jefferson County | C | 45th |
| Boulder County | C | 48th |
| Costilla County | C | 50th |
| Teller County | C | 52nd |
| Crowley County | C | 52nd |
| Gilpin County | C | 55th |
| Weld County | B | 61st |
| Lake County | B | 62nd |
| La Plata County | B | 66th |
| Lincoln County | B | 66th |
| Elbert County | B | 68th |
| Denver County | B | 69th |
| Pitkin County | B | 70th |
| Garfield County | B | 70th |
| Alamosa County | B | 74th |
| Logan County | B | 75th |
| Adams County | B | 75th |
| Chaffee County | B | 77th |
| Otero County | B | 78th |
| Rio Grande County | B | 78th |
| Arapahoe County | B | 79th |
| Morgan County | A | 81st |
| Larimer County | A | 82nd |
| Fremont County | A | 83rd |
| Mesa County | A | 83rd |
| Pueblo County | A | 84th |
| Moffat County | A | 84th |
| Eagle County | A | 84th |
| Custer County | A | 84th |
| Delta County | A | 85th |
| Broomfield County | A | 85th |
| Saguache County | A | 85th |
| San Juan County | A | 86th |
| Routt County | A | 87th |
| Hinsdale County | A | 88th |
| Mineral County | A | 89th |
| El Paso County | A | 90th |
| Douglas County | A | 91st |
| Montrose County | A | 93rd |
| Grand County | A | 95th |
| Gunnison County | A | 97th |
| Washington County | A | 98th |
| Baca County | A | 98th |
| Rio Blanco County | A | 99th |
| Montezuma County | A | 100th |