2021 Maine Power Outage Report
In 2021, the average Maine customer went without power for about 6.4 hours, the 16th worst of 51 states (US average 8.4 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
6.4
vs prior year
▼ 83%
vs 2020
Customer-hours out
5.2M
Peak customers out
48,389
across the state at once
EAGLE-I coverage
96%
of ME customers
Counties reporting
16
Maine year over year
All 16 Maine counties, 2021
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 | Piscataquis County | 16.9 | 173K | 10,203 | 5,040 | 461 |
| 2 | Oxford County | 15.5 | 593K | 38,205 | 11,773 | 799 |
| 3 | Franklin County | 14.4 | 297K | 20,532 | 7,411 | 631 |
| 4 | Somerset County | 13.5 | 264K | 19,524 | 4,874 | 710 |
| 5 | Lincoln County | 11.4 | 267K | 23,436 | 4,260 | 619 |
| 6 | Hancock County | 11.2 | 348K | 31,079 | 13,055 | 749 |
| 7 | York County | 11.1 | 855K | 76,996 | 13,496 | 892 |
| 8 | Knox County | 8.8 | 135K | 15,343 | 4,580 | 602 |
| 9 | Waldo County | 7.7 | 174K | 22,684 | 5,952 | 638 |
| 10 | Sagadahoc County | 6.7 | 166K | 24,839 | 6,240 | 460 |
| 11 | Washington County | 5.6 | 84K | 15,144 | 3,399 | 424 |
| 12 | Penobscot County | 4.5 | 399K | 88,128 | 14,383 | 1,022 |
| 13 | Kennebec County | 4.4 | 388K | 87,760 | 7,577 | 952 |
| 14 | Aroostook County | 4.2 | 178K | 42,053 | 15,521 | 482 |
| 15 | Cumberland County | 3.1 | 714K | 227,401 | 9,304 | 1,029 |
| 16 | Androscoggin County | 2.5 | 194K | 77,643 | 5,904 | 852 |
Biggest Maine outages of 2021
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Aroostook County, ME | September 10, 2021 13:15 | September 10, 2021 17:45 | 4h 30m | 15,521 | 54K |
| 2 | Penobscot County, ME | October 2, 2021 05:00 | October 2, 2021 09:45 | 4h 45m | 14,383 | 51K |
| 3 | York County, ME | March 1, 2021 23:30 | March 4, 2021 21:15 | 2d 21h | 13,496 | 164K |
| 4 | Hancock County, ME | October 31, 2021 04:30 | November 2, 2021 00:15 | 1d 19h | 13,055 | 81K |
| 5 | Aroostook County, ME | January 26, 2021 18:15 | January 26, 2021 23:45 | 5h 30m | 12,149 | 30K |
| 6 | Oxford County, ME | March 2, 2021 06:00 | March 5, 2021 05:00 | 2d 23h | 11,773 | 212K |
| 7 | York County, ME | May 26, 2021 21:45 | May 28, 2021 01:15 | 1d 3h | 11,483 | 63K |
| 8 | York County, ME | March 29, 2021 11:15 | March 31, 2021 02:15 | 1d 15h | 10,703 | 83K |
| 9 | Penobscot County, ME | July 8, 2021 11:30 | July 8, 2021 18:15 | 6h 45m | 9,610 | 17K |
| 10 | Cumberland County, ME | October 27, 2021 00:15 | October 28, 2021 06:45 | 1d 6h | 9,304 | 66K |
| 11 | York County, ME | October 26, 2021 14:15 | October 27, 2021 23:15 | 1d 9h | 8,102 | 71K |
| 12 | Cumberland County, ME | January 28, 2021 11:45 | January 29, 2021 02:30 | 14h 45m | 7,724 | 41K |
| 13 | Cumberland County, ME | May 26, 2021 15:45 | May 28, 2021 01:00 | 1d 9h | 7,643 | 46K |
| 14 | Penobscot County, ME | October 3, 2021 17:15 | October 3, 2021 19:30 | 2h 15m | 7,642 | 11K |
| 15 | Penobscot County, ME | December 17, 2021 13:30 | December 17, 2021 19:00 | 5h 30m | 7,595 | 4,239 |
| 16 | Kennebec County, ME | June 28, 2021 19:15 | June 29, 2021 00:30 | 5h 15m | 7,577 | 19K |
| 17 | Penobscot County, ME | December 22, 2021 12:45 | December 22, 2021 16:00 | 3h 15m | 7,541 | 2,110 |
| 18 | Franklin County, ME | April 16, 2021 16:30 | April 16, 2021 18:30 | 2h | 7,411 | 12K |
| 19 | Penobscot County, ME | July 7, 2021 18:15 | July 8, 2021 04:00 | 9h 45m | 7,175 | 5,225 |
| 20 | Aroostook County, ME | July 29, 2021 19:15 | July 29, 2021 20:30 | 1h 15m | 7,021 | 4,255 |
| 21 | Oxford County, ME | March 29, 2021 13:00 | March 31, 2021 10:30 | 1d 21h | 7,009 | 65K |
| 22 | Kennebec County, ME | September 25, 2021 06:45 | September 25, 2021 15:45 | 9h | 6,983 | 8,200 |
| 23 | Cumberland County, ME | May 10, 2021 19:30 | May 10, 2021 22:45 | 3h 15m | 6,926 | 14K |
| 24 | Franklin County, ME | March 29, 2021 10:15 | March 30, 2021 21:15 | 1d 11h | 6,907 | 49K |
| 25 | York County, ME | December 6, 2021 22:45 | December 7, 2021 23:30 | 1d | 6,899 | 53K |
EAGLE-I tracked about 96% of Maine's electricity customers in 2021; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2021 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.