2025 South Dakota Power Outage Report
In 2025, the average South Dakota customer went without power for about 6.5 hours, the 14th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
6.5
vs prior year
▲ 189%
vs 2024
Customer-hours out
3.1M
Peak customers out
76,306
across the state at once
EAGLE-I coverage
n/a
of SD customers
Counties reporting
65
South Dakota year over year
Month by month, 2025
Customer-hours without power across South Dakota; December was the worst.
All 65 South Dakota counties, 2025
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 | Custer County | 64.8 | 290K | 4,481 | 4,481 | 170 |
| 2 | Perkins County | 28.9 | 26K | 890 | 890 | 74 |
| 3 | Ziebach County | 24.5 | 34K | 1,374 | 1,374 | 99 |
| 4 | Todd County | 19.4 | 43K | 2,194 | 1,413 | 115 |
| 5 | Fall River County | 15.5 | 63K | 4,055 | 4,055 | 157 |
| 6 | Marshall County | 14.6 | 37K | 2,509 | 692 | 111 |
| 7 | Pennington County | 13.0 | 883K | 68,130 | 41,253 | 397 |
| 8 | Lawrence County | 11.4 | 177K | 15,540 | 13,759 | 200 |
| 9 | Harding County | 10.8 | 20K | 1,828 | 1,041 | 93 |
| 10 | Sanborn County | 10.0 | 15K | 1,463 | 730 | 71 |
| 11 | Minnehaha County | 8.8 | 808K | 91,940 | 7,222 | 575 |
| 12 | Meade County | 8.4 | 120K | 14,286 | 10,065 | 206 |
| 13 | Clark County | 7.7 | 12K | 1,587 | 1,587 | 79 |
| 14 | Bon Homme County | 7.4 | 22K | 2,917 | 2,917 | 89 |
| 15 | Union County | 7.3 | 24K | 3,359 | 650 | 172 |
| 16 | Dewey County | 6.7 | 33K | 4,866 | 2,114 | 125 |
| 17 | Turner County | 6.5 | 33K | 4,964 | 983 | 211 |
| 18 | Miner County | 6.5 | 6,962 | 1,069 | 430 | 47 |
| 19 | Roberts County | 6.5 | 26K | 4,096 | 956 | 254 |
| 20 | Deuel County | 6.3 | 9,433 | 1,505 | 1,039 | 167 |
| 21 | McCook County | 5.7 | 18K | 3,102 | 1,715 | 184 |
| 22 | Day County | 5.4 | 22K | 4,051 | 1,447 | 157 |
| 23 | Grant County | 5.2 | 16K | 3,124 | 1,916 | 196 |
| 24 | Mellette County | 3.7 | 3,519 | 957 | 389 | 62 |
| 25 | Spink County | 3.5 | 12K | 3,353 | 1,192 | 72 |
| 26 | Beadle County | 3.2 | 31K | 9,787 | 6,410 | 170 |
| 27 | Faulk County | 3.1 | 3,668 | 1,168 | 447 | 44 |
| 28 | Hamlin County | 2.9 | 6,348 | 2,187 | 930 | 186 |
| 29 | Stanley County | 2.8 | 7,018 | 2,520 | 516 | 72 |
| 30 | Hanson County | 2.7 | 5,362 | 1,960 | 848 | 65 |
| 31 | Moody County | 2.5 | 8,840 | 3,517 | 352 | 188 |
| 32 | Potter County | 2.5 | 2,843 | 1,138 | 219 | 10 |
| 33 | Corson County | 2.3 | 4,570 | 1,975 | 201 | 117 |
| 34 | Walworth County | 2.3 | 5,438 | 2,370 | 721 | 43 |
| 35 | Haakon County | 2.3 | 3,124 | 1,375 | 464 | 87 |
| 36 | Yankton County | 2.3 | 27K | 11,940 | 1,953 | 185 |
| 37 | Butte County | 2.2 | 11K | 4,717 | 3,573 | 107 |
| 38 | Lincoln County | 2.2 | 69K | 31,561 | 3,087 | 251 |
| 39 | Oglala Lakota County | 2.1 | 8,773 | 4,164 | 816 | 78 |
| 40 | Lyman County | 2.0 | 5,818 | 2,969 | 296 | 102 |
| 41 | Hutchinson County | 1.9 | 11K | 5,650 | 1,979 | 193 |
| 42 | Brown County | 1.9 | 36K | 19,238 | 1,838 | 259 |
| 43 | Edmunds County | 1.9 | 4,063 | 2,191 | 527 | 22 |
| 44 | Gregory County | 1.9 | 4,950 | 2,673 | 790 | 133 |
| 45 | Aurora County | 1.8 | 2,521 | 1,368 | 701 | 57 |
| 46 | Davison County | 1.5 | 17K | 11,593 | 1,458 | 237 |
| 47 | Jackson County | 1.4 | 1,320 | 915 | 130 | 54 |
| 48 | Kingsbury County | 1.4 | 3,533 | 2,587 | 319 | 108 |
| 49 | McPherson County | 1.3 | 1,623 | 1,223 | 607 | 8 |
| 50 | Campbell County | 1.3 | 724 | 576 | 226 | 6 |
| 51 | Jerauld County | 1.2 | 1,259 | 1,049 | 181 | 34 |
| 52 | Buffalo County | 1.2 | 703 | 592 | 59 | 34 |
| 53 | Tripp County | 1.1 | 5,426 | 4,744 | 393 | 179 |
| 54 | Hyde County | 1.1 | 646 | 615 | 471 | 14 |
| 55 | Douglas County | 1.0 | 1,774 | 1,745 | 142 | 67 |
| 56 | Lake County | 1.0 | 8,154 | 8,064 | 893 | 186 |
| 57 | Charles Mix County | 0.9 | 4,207 | 4,915 | 631 | 86 |
| 58 | Brookings County | 0.8 | 16K | 19,030 | 434 | 239 |
| 59 | Brule County | 0.7 | 2,058 | 2,837 | 284 | 70 |
| 60 | Jones County | 0.6 | 416 | 697 | 216 | 33 |
| 61 | Codington County | 0.1 | 2,693 | 24,302 | 330 | 49 |
| 62 | Hand County | 0.1 | 205 | 1,991 | 66 | 11 |
| 63 | Hughes County | 0.0 | 339 | 14,362 | 62 | 8 |
| 64 | Bennett County | 0.0 | 10 | 715 | 2 | 2 |
| 65 | Clay County | 0.0 | 58 | 8,444 | 13 | 5 |
Biggest South Dakota outages of 2025
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Pennington County, SD | November 13, 2025 19:45 | November 14, 2025 09:30 | 13h 45m | 41,253 | 135K |
| 2 | Pennington County, SD | December 18, 2025 08:00 | January 1, 2026 00:00 | 13d 16h | 25,159 | 572K |
| 3 | Lawrence County, SD | November 13, 2025 19:45 | November 14, 2025 05:00 | 9h 15m | 13,759 | 55K |
| 4 | Meade County, SD | November 13, 2025 19:45 | November 14, 2025 06:15 | 10h 30m | 10,065 | 48K |
| 5 | Minnehaha County, SD | October 16, 2025 04:15 | October 16, 2025 17:15 | 13h | 7,222 | 2,863 |
| 6 | Minnehaha County, SD | November 7, 2025 23:15 | November 10, 2025 18:00 | 2d 18h | 6,588 | 21K |
| 7 | Beadle County, SD | July 23, 2025 13:45 | July 23, 2025 22:30 | 8h 45m | 6,410 | 13K |
| 8 | Lawrence County, SD | May 18, 2025 20:45 | May 19, 2025 04:15 | 7h 30m | 5,991 | 6,338 |
| 9 | Lawrence County, SD | July 22, 2025 00:15 | July 23, 2025 17:00 | 1d 16h | 5,512 | 5,463 |
| 10 | Meade County, SD | July 23, 2025 00:30 | July 23, 2025 17:30 | 17h | 5,009 | 4,114 |
| 11 | Meade County, SD | May 18, 2025 21:15 | May 19, 2025 16:30 | 19h 15m | 4,947 | 5,599 |
| 12 | Minnehaha County, SD | January 1, 2025 00:00 | January 31, 2025 07:45 | 30d 7h | 4,646 | 412K |
| 13 | Custer County, SD | December 18, 2025 08:00 | January 1, 2026 00:00 | 13d 16h | 4,481 | 257K |
| 14 | Custer County, SD | November 13, 2025 19:45 | November 14, 2025 05:45 | 10h | 4,481 | 15K |
| 15 | Minnehaha County, SD | August 6, 2025 08:30 | August 6, 2025 21:30 | 13h | 4,127 | 11K |
| 16 | Fall River County, SD | November 13, 2025 19:45 | November 14, 2025 04:45 | 9h | 4,055 | 14K |
| 17 | Minnehaha County, SD | July 23, 2025 13:15 | July 31, 2025 17:30 | 8d 4h | 3,821 | 79K |
| 18 | Minnehaha County, SD | May 15, 2025 09:15 | May 15, 2025 23:15 | 14h | 3,722 | 7,179 |
| 19 | Butte County, SD | November 13, 2025 20:00 | November 14, 2025 06:45 | 10h 45m | 3,573 | 6,722 |
| 20 | Minnehaha County, SD | April 18, 2025 13:15 | April 18, 2025 17:00 | 3h 45m | 3,335 | 6,092 |
| 21 | Lincoln County, SD | March 1, 2025 06:00 | March 1, 2025 09:30 | 3h 30m | 3,087 | 10K |
| 22 | Minnehaha County, SD | December 9, 2025 21:30 | December 10, 2025 20:45 | 23h 15m | 3,029 | 7,157 |
| 23 | Lincoln County, SD | July 29, 2025 02:00 | August 29, 2025 20:30 | 31d 18h | 3,021 | 33K |
| 24 | Bon Homme County, SD | March 15, 2025 10:15 | March 15, 2025 18:45 | 8h 30m | 2,917 | 10K |
| 25 | Beadle County, SD | May 15, 2025 23:15 | May 16, 2025 01:45 | 2h 30m | 2,622 | 2,897 |
EAGLE-I tracked about n/a of South Dakota's electricity customers in 2025; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2025 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.