2017 Tennessee Power Outage Report
In 2017, the average Tennessee customer went without power for about 5.6 hours, the 12th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
5.6
vs prior year
▲ 123%
vs 2016
Customer-hours out
17.5M
Peak customers out
187,775
across the state at once
EAGLE-I coverage
n/a
of TN customers
Counties reporting
68
Tennessee year over year
All 68 Tennessee counties, 2017
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 | Stewart County | 36.6 | 189K | 5,144 | 2,077 | 361 |
| 2 | Shelby County | 29.7 | 12.6M | 422,904 | 155,108 | 369 |
| 3 | Chester County | 11.2 | 66K | 5,853 | 4,047 | 236 |
| 4 | Trousdale County | 10.8 | 57K | 5,242 | 5,005 | 140 |
| 5 | Sevier County | 10.0 | 712K | 71,320 | 19,970 | 941 |
| 6 | Lake County | 8.9 | 25K | 2,815 | 2,641 | 129 |
| 7 | Union County | 8.5 | 81K | 9,474 | 2,618 | 320 |
| 8 | Tipton County | 7.0 | 150K | 21,417 | 2,063 | 523 |
| 9 | Macon County | 5.9 | 81K | 13,771 | 4,283 | 311 |
| 10 | Giles County | 5.3 | 87K | 16,388 | 4,543 | 493 |
| 11 | Hawkins County | 4.5 | 119K | 26,527 | 4,480 | 616 |
| 12 | Clay County | 4.2 | 17K | 4,055 | 1,918 | 185 |
| 13 | Monroe County | 4.2 | 137K | 32,868 | 2,926 | 730 |
| 14 | Crockett County | 3.8 | 24K | 6,207 | 1,892 | 301 |
| 15 | Knox County | 3.7 | 895K | 244,081 | 44,151 | 995 |
| 16 | Cheatham County | 3.3 | 52K | 15,430 | 1,644 | 570 |
| 17 | Madison County | 3.3 | 203K | 61,454 | 4,513 | 580 |
| 18 | Haywood County | 3.3 | 32K | 9,744 | 3,052 | 204 |
| 19 | Obion County | 3.2 | 57K | 17,708 | 2,923 | 434 |
| 20 | Robertson County | 3.0 | 95K | 31,945 | 1,831 | 746 |
| 21 | Grainger County | 2.9 | 37K | 12,567 | 840 | 159 |
| 22 | Blount County | 2.5 | 178K | 70,519 | 5,964 | 712 |
| 23 | Sullivan County | 2.3 | 159K | 69,352 | 3,170 | 587 |
| 24 | Gibson County | 2.1 | 58K | 28,041 | 4,203 | 467 |
| 25 | Cannon County | 2.0 | 12K | 5,893 | 2,079 | 212 |
| 26 | Montgomery County | 2.0 | 240K | 119,925 | 5,057 | 649 |
| 27 | Davidson County | 2.0 | 707K | 359,052 | 21,760 | 468 |
| 28 | Sumner County | 1.5 | 128K | 85,061 | 6,646 | 983 |
| 29 | Smith County | 1.2 | 10K | 8,588 | 3,392 | 15 |
| 30 | Cocke County | 1.0 | 19K | 18,729 | 1,459 | 14 |
| 31 | Anderson County | 0.8 | 35K | 42,752 | 3,554 | 570 |
| 32 | Jefferson County | 0.8 | 26K | 32,422 | 2,153 | 94 |
| 33 | Lauderdale County | 0.7 | 8,285 | 12,264 | 684 | 52 |
| 34 | Wilson County | 0.6 | 43K | 67,214 | 3,957 | 620 |
| 35 | DeKalb County | 0.6 | 6,286 | 10,381 | 1,160 | 38 |
| 36 | Williamson County | 0.6 | 68K | 123,583 | 7,565 | 674 |
| 37 | Hamblen County | 0.5 | 19K | 38,657 | 707 | 236 |
| 38 | Loudon County | 0.4 | 10K | 27,681 | 897 | 363 |
| 39 | Dyer County | 0.4 | 6,935 | 19,619 | 1,658 | 78 |
| 40 | Fayette County | 0.3 | 7,160 | 22,058 | 640 | 84 |
| 41 | Jackson County | 0.3 | 1,551 | 4,827 | 684 | 4 |
| 42 | Henderson County | 0.3 | 4,802 | 16,597 | 722 | 81 |
| 43 | Hardeman County | 0.3 | 3,566 | 12,774 | 1,458 | 54 |
| 44 | Rutherford County | 0.3 | 41K | 157,588 | 3,375 | 686 |
| 45 | Campbell County | 0.2 | 4,209 | 22,286 | 248 | 63 |
| 46 | Morgan County | 0.2 | 1,747 | 9,954 | 423 | 52 |
| 47 | Franklin County | 0.2 | 3,527 | 22,923 | 804 | 49 |
| 48 | Overton County | 0.1 | 1,373 | 10,102 | 328 | 9 |
| 49 | Washington County | 0.1 | 4,357 | 86,325 | 112 | 33 |
| 50 | Polk County | 0.0 | 457 | 9,762 | 244 | 53 |
| 51 | Roane County | 0.0 | 1,214 | 27,008 | 486 | 18 |
| 52 | Greene County | 0.0 | 1,772 | 39,858 | 804 | 15 |
| 53 | Maury County | 0.0 | 2,072 | 47,612 | 1,214 | 89 |
| 54 | Coffee County | 0.0 | 1,162 | 33,033 | 827 | 53 |
| 55 | Hickman County | 0.0 | 386 | 12,081 | 37 | 8 |
| 56 | Marshall County | 0.0 | 563 | 18,320 | 1,039 | 46 |
| 57 | Bedford County | 0.0 | 583 | 28,282 | 220 | 41 |
| 58 | Lincoln County | 0.0 | 319 | 18,299 | 269 | 34 |
| 59 | Lawrence County | 0.0 | 337 | 21,174 | 98 | 38 |
| 60 | Moore County | 0.0 | 36 | 3,269 | 57 | 5 |
| 61 | McMinn County | 0.0 | 217 | 30,371 | 142 | 31 |
| 62 | Marion County | 0.0 | 85 | 15,729 | 34 | 1 |
| 63 | McNairy County | 0.0 | 71 | 15,967 | 26 | 10 |
| 64 | Dickson County | 0.0 | 66 | 28,739 | 33 | 1 |
| 65 | Weakley County | 0.0 | 10 | 19,884 | 26 | 6 |
| 66 | Warren County | 0.0 | 5 | 23,916 | 1 | 4 |
| 67 | Henry County | 0.0 | 2 | 22,032 | 4 | 3 |
| 68 | Hamilton County | 0.0 | 8 | 187,870 | 2 | 3 |
Biggest Tennessee outages of 2017
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Shelby County, TN | May 27, 2017 18:30 | June 2, 2017 07:45 | 5d 13h | 155,108 | 8.9M |
| 2 | Knox County, TN | May 28, 2017 01:45 | May 31, 2017 06:30 | 3d 4h | 44,151 | 351K |
| 3 | Shelby County, TN | June 2, 2017 11:15 | July 6, 2017 22:45 | 34d 11h | 24,614 | 1.5M |
| 4 | Shelby County, TN | August 31, 2017 07:15 | September 6, 2017 05:00 | 5d 21h | 24,421 | 493K |
| 5 | Davidson County, TN | September 28, 2017 10:15 | September 29, 2017 08:30 | 22h 15m | 21,760 | 5,727 |
| 6 | Sevier County, TN | May 28, 2017 03:00 | May 31, 2017 09:00 | 3d 6h | 19,970 | 182K |
| 7 | Shelby County, TN | April 29, 2017 12:00 | May 3, 2017 11:30 | 3d 23h | 19,205 | 387K |
| 8 | Knox County, TN | November 18, 2017 15:45 | November 21, 2017 00:00 | 2d 8h | 17,101 | 63K |
| 9 | Davidson County, TN | March 1, 2017 12:30 | March 4, 2017 04:45 | 2d 16h | 14,945 | 59K |
| 10 | Sevier County, TN | May 4, 2017 11:45 | May 8, 2017 02:45 | 3d 15h | 14,877 | 344K |
| 11 | Shelby County, TN | October 17, 2017 02:15 | October 18, 2017 03:45 | 1d 1h | 11,418 | 5,821 |
| 12 | Shelby County, TN | April 16, 2017 11:45 | April 17, 2017 09:30 | 21h 45m | 11,380 | 4,095 |
| 13 | Knox County, TN | April 5, 2017 22:30 | April 7, 2017 22:45 | 2d | 11,332 | 65K |
| 14 | Shelby County, TN | October 5, 2017 11:30 | October 13, 2017 05:45 | 7d 18h | 11,162 | 31K |
| 15 | Davidson County, TN | July 27, 2017 12:45 | July 28, 2017 07:30 | 18h 45m | 10,955 | 8,260 |
| 16 | Shelby County, TN | January 5, 2017 14:00 | January 20, 2017 08:30 | 14d 18h | 10,348 | 105K |
| 17 | Shelby County, TN | February 6, 2017 06:15 | February 8, 2017 02:30 | 1d 20h | 9,716 | 12K |
| 18 | Shelby County, TN | December 16, 2017 12:45 | December 18, 2017 02:15 | 1d 13h | 9,688 | 19K |
| 19 | Sevier County, TN | May 1, 2017 07:00 | May 2, 2017 07:45 | 1d | 9,241 | 12K |
| 20 | Shelby County, TN | August 11, 2017 11:15 | August 14, 2017 04:45 | 2d 17h | 9,084 | 94K |
| 21 | Knox County, TN | June 5, 2017 07:15 | June 6, 2017 06:30 | 23h 15m | 9,035 | 13K |
| 22 | Davidson County, TN | August 30, 2017 12:30 | September 6, 2017 07:00 | 6d 18h | 8,972 | 70K |
| 23 | Davidson County, TN | March 28, 2017 11:30 | March 29, 2017 05:30 | 18h | 8,408 | 7,467 |
| 24 | Williamson County, TN | June 30, 2017 01:00 | June 30, 2017 03:15 | 2h 15m | 7,565 | 1,893 |
| 25 | Knox County, TN | August 15, 2017 05:45 | August 15, 2017 17:00 | 11h 15m | 7,485 | 6,425 |
EAGLE-I tracked about n/a of Tennessee's electricity customers in 2017; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2017 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.