2016 Colorado Power Outage Report
In 2016, the average Colorado customer went without power for about 1.7 hours, the 38th worst of 49 states (US average 3.8 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
1.7
vs prior year
▲ 42%
vs 2015
Customer-hours out
4.6M
Peak customers out
147,186
across the state at once
EAGLE-I coverage
n/a
of CO customers
Counties reporting
40
Colorado year over year
All 40 Colorado counties, 2016
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Conejos County | 11.5 | 44K | 3,793 | 3,793 | 116 |
| 2 | Pitkin County | 9.0 | 115K | 12,768 | 11,728 | 225 |
| 3 | Weld County | 6.2 | 758K | 122,323 | 39,618 | 537 |
| 4 | Summit County | 3.1 | 49K | 16,131 | 3,386 | 193 |
| 5 | Costilla County | 3.0 | 6,206 | 2,089 | 904 | 71 |
| 6 | Larimer County | 2.5 | 394K | 154,680 | 20,820 | 336 |
| 7 | Boulder County | 2.5 | 422K | 166,613 | 41,639 | 385 |
| 8 | Alamosa County | 2.5 | 23K | 9,288 | 3,069 | 117 |
| 9 | Adams County | 2.4 | 579K | 243,036 | 30,136 | 334 |
| 10 | Garfield County | 2.3 | 79K | 34,904 | 3,415 | 295 |
| 11 | Custer County | 2.2 | 6,333 | 2,930 | 1,391 | 20 |
| 12 | Jefferson County | 1.7 | 478K | 278,207 | 13,179 | 474 |
| 13 | Eagle County | 1.6 | 69K | 43,429 | 4,456 | 238 |
| 14 | Denver County | 1.6 | 627K | 398,898 | 21,787 | 330 |
| 15 | Clear Creek County | 1.4 | 5,399 | 3,877 | 1,541 | 96 |
| 16 | Otero County | 1.4 | 5,694 | 4,206 | 1,323 | 37 |
| 17 | Archuleta County | 1.3 | 11K | 8,482 | 6,277 | 37 |
| 18 | Logan County | 1.2 | 8,309 | 6,707 | 2,817 | 113 |
| 19 | Arapahoe County | 1.2 | 398K | 323,113 | 24,676 | 548 |
| 20 | Gilpin County | 1.0 | 2,515 | 2,626 | 865 | 26 |
| 21 | El Paso County | 0.9 | 320K | 361,678 | 15,721 | 867 |
| 22 | Pueblo County | 0.6 | 33K | 52,226 | 6,442 | 199 |
| 23 | Rio Grande County | 0.6 | 4,789 | 7,555 | 1,506 | 107 |
| 24 | Fremont County | 0.6 | 12K | 19,018 | 2,470 | 137 |
| 25 | Mesa County | 0.6 | 44K | 78,542 | 5,204 | 361 |
| 26 | Park County | 0.5 | 3,309 | 6,016 | 878 | 86 |
| 27 | Teller County | 0.5 | 4,932 | 9,307 | 2,018 | 32 |
| 28 | Douglas County | 0.5 | 80K | 157,251 | 3,853 | 296 |
| 29 | La Plata County | 0.5 | 18K | 36,986 | 3,006 | 52 |
| 30 | Broomfield County | 0.5 | 17K | 36,182 | 940 | 123 |
| 31 | Chaffee County | 0.4 | 5,527 | 12,341 | 1,828 | 84 |
| 32 | Gunnison County | 0.4 | 6,374 | 14,729 | 330 | 38 |
| 33 | Crowley County | 0.3 | 628 | 2,408 | 1,143 | 12 |
| 34 | Hinsdale County | 0.2 | 159 | 773 | 13 | 7 |
| 35 | Morgan County | 0.2 | 2,401 | 14,501 | 846 | 75 |
| 36 | Elbert County | 0.1 | 755 | 10,107 | 91 | 10 |
| 37 | Lake County | 0.0 | 174 | 3,471 | 29 | 11 |
| 38 | Saguache County | 0.0 | 117 | 3,260 | 40 | 28 |
| 39 | San Juan County | 0.0 | 14 | 549 | 18 | 2 |
| 40 | Lincoln County | 0.0 | 17 | 3,630 | 5 | 5 |
Biggest Colorado outages of 2016
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Boulder County, CO | March 16, 2016 20:30 | March 28, 2016 18:30 | 11d 22h | 41,639 | 285K |
| 2 | Weld County, CO | March 23, 2016 07:30 | March 28, 2016 23:30 | 5d 16h | 39,618 | 578K |
| 3 | Adams County, CO | March 18, 2016 18:45 | March 28, 2016 18:30 | 9d 23h | 30,136 | 425K |
| 4 | Arapahoe County, CO | September 13, 2016 15:15 | September 13, 2016 16:45 | 1h 30m | 24,676 | 6,170 |
| 5 | Denver County, CO | March 18, 2016 18:45 | March 28, 2016 18:30 | 9d 23h | 21,787 | 286K |
| 6 | Arapahoe County, CO | March 22, 2016 12:45 | March 28, 2016 18:30 | 6d 5h | 21,131 | 153K |
| 7 | Larimer County, CO | March 23, 2016 01:30 | March 29, 2016 02:00 | 6d | 20,820 | 303K |
| 8 | El Paso County, CO | August 20, 2016 00:45 | August 20, 2016 05:45 | 5h | 15,721 | 11K |
| 9 | Jefferson County, CO | March 23, 2016 07:15 | March 26, 2016 11:30 | 3d 4h | 13,179 | 191K |
| 10 | Denver County, CO | January 25, 2016 23:45 | January 28, 2016 17:00 | 2d 17h | 12,596 | 4,600 |
| 11 | Pitkin County, CO | May 18, 2016 13:30 | May 18, 2016 14:45 | 1h 15m | 11,728 | 3,015 |
| 12 | Denver County, CO | April 19, 2016 19:15 | April 23, 2016 21:15 | 4d 2h | 11,658 | 9,062 |
| 13 | Weld County, CO | January 26, 2016 03:00 | January 26, 2016 05:15 | 2h 15m | 10,336 | 23K |
| 14 | Adams County, CO | June 21, 2016 14:30 | June 22, 2016 02:15 | 11h 45m | 10,063 | 5,381 |
| 15 | Weld County, CO | August 27, 2016 14:00 | August 27, 2016 20:00 | 6h | 9,237 | 12K |
| 16 | Weld County, CO | January 21, 2016 21:00 | January 21, 2016 21:15 | 15m | 8,881 | 2,220 |
| 17 | Weld County, CO | May 5, 2016 19:00 | May 5, 2016 22:45 | 3h 45m | 8,780 | 4,128 |
| 18 | El Paso County, CO | March 23, 2016 13:45 | March 24, 2016 03:00 | 13h 15m | 6,957 | 6,102 |
| 19 | El Paso County, CO | December 12, 2016 19:15 | December 12, 2016 21:45 | 2h 30m | 6,876 | 1,920 |
| 20 | Denver County, CO | March 7, 2016 19:00 | March 10, 2016 19:00 | 3d | 6,527 | 7,749 |
| 21 | Pueblo County, CO | September 26, 2016 14:30 | September 26, 2016 15:15 | 45m | 6,442 | 3,928 |
| 22 | Archuleta County, CO | December 28, 2016 22:45 | December 29, 2016 01:00 | 2h 15m | 6,277 | 1,612 |
| 23 | Denver County, CO | July 14, 2016 09:45 | July 14, 2016 17:45 | 8h | 6,271 | 5,624 |
| 24 | Boulder County, CO | August 9, 2016 19:00 | August 10, 2016 14:30 | 19h 30m | 6,216 | 9,414 |
| 25 | Pueblo County, CO | June 26, 2016 12:30 | June 27, 2016 05:30 | 17h | 5,825 | 7,981 |
EAGLE-I tracked about n/a of Colorado's electricity customers in 2016; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2016 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.