massoutage

2025 Maine Power Outage Report

In 2025, the average Maine customer went without power for about 6.3 hours, the 16th worst of 51 states (US average 5.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
6.3
vs prior year
▼ 83%
vs 2024
Customer-hours out
5.2M
Peak customers out
75,619
across the state at once
EAGLE-I coverage
n/a
of ME customers
Counties reporting
16

Maine year over year

Maine: average hours without power per customer by year2015: 2.8h; 2016: 7.8h; 2017: 37.6h; 2018: 10.9h, coverage 96%; 2019: 6.1h, coverage 96%; 2020: 36.8h, coverage 96%; 2021: 6.4h, coverage 96%; 2022: 22.0h, coverage 96%; 2023: 38.6h; 2024: 37.9h; 2025: 6.3h0102030400%50%100%2.8h20157.8h201637.6h201710.9h20186.1h201936.8h20206.4h202122.0h202238.6h202337.9h20246.3h2025
Use the arrow keys to read values.
Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Month by month, 2025

Customer-hours without power across Maine; December was the worst.

CSVJSON
Maine customer-hours without power by month, 2025Jan 219K, Feb 163K, Mar 421K, Apr 336K, May 194K, Jun 323K, Jul 227K, Aug 264K, Sep 130K, Oct 167K, Nov 405K, Dec 2.3M01M2M3M219KJan163KFeb421KMar336KApr194KMay323KJun227KJul264KAug130KSep167KOct405KNov2.3MDec
Use the arrow keys to read values.

All 16 Maine counties, 2025

Ranked by average hours without power per customer. Each county links to its annual report.

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Hancock County18.1563K31,07916,780817
2Piscataquis County16.1165K10,2034,171419
3Lincoln County15.3359K23,4367,307548
4Knox County13.2203K15,34315,343549
5Sagadahoc County12.9320K24,8399,221376
6Waldo County9.6217K22,6846,361553
7Penobscot County8.7767K88,12816,5981,081
8Somerset County8.6169K19,5244,245592
9Franklin County7.7158K20,5324,453554
10Oxford County7.5287K38,2056,434745
11Washington County6.8104K15,1444,705436
12York County6.0462K76,99612,037921
13Aroostook County4.3182K42,05314,335501
14Cumberland County3.4780K227,40113,122984
15Kennebec County2.8243K87,7608,775929
16Androscoggin County2.5194K77,6436,435704

Biggest Maine outages of 2025

Up to 25 county outage episodes with the most customers out at once.

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Hancock County, MENovember 26, 2025 16:45November 26, 2025 19:002h 15m16,7804,197
2Penobscot County, MEDecember 19, 2025 17:30December 23, 2025 00:303d 7h16,598441K
3Knox County, MEDecember 26, 2025 08:15December 26, 2025 11:453h 30m15,34337K
4Hancock County, MEDecember 19, 2025 14:15December 24, 2025 00:304d 10h15,306390K
5Aroostook County, MEDecember 20, 2025 07:00December 21, 2025 18:451d 11h14,33555K
6Cumberland County, MEDecember 19, 2025 15:15December 21, 2025 08:151d 17h13,122143K
7York County, MEMarch 7, 2025 11:45March 9, 2025 20:452d 9h12,037102K
8Cumberland County, MEMarch 20, 2025 16:45March 20, 2025 18:151h 30m11,4372,883
9Cumberland County, MEDecember 24, 2025 00:00December 27, 2025 03:453d 3h10,955122K
10Cumberland County, MEAugust 14, 2025 06:00August 15, 2025 04:4522h 45m10,87617K
11Aroostook County, MEMay 18, 2025 14:00May 18, 2025 17:003h10,50319K
12York County, MENovember 4, 2025 14:30November 6, 2025 16:302d 2h9,76166K
13Sagadahoc County, MEDecember 24, 2025 00:30December 27, 2025 00:303d9,221168K
14Kennebec County, MEDecember 19, 2025 16:15December 22, 2025 02:302d 10h8,775109K
15Penobscot County, MEDecember 8, 2025 14:30December 8, 2025 17:152h 45m8,7092,472
16Penobscot County, MEAugust 19, 2025 11:45August 19, 2025 15:153h 30m8,6864,026
17Cumberland County, MENovember 4, 2025 13:30November 6, 2025 20:302d 7h7,98864K
18Sagadahoc County, MEDecember 19, 2025 17:30December 21, 2025 23:152d 5h7,59663K
19Lincoln County, MEDecember 19, 2025 14:00December 22, 2025 02:002d 12h7,307157K
20Cumberland County, MEJuly 20, 2025 16:00July 21, 2025 23:451d 7h6,76023K
21Knox County, MEDecember 19, 2025 17:30December 21, 2025 21:002d 3h6,74454K
22Hancock County, MESeptember 2, 2025 14:30September 2, 2025 17:303h6,4858,105
23Androscoggin County, MEJuly 24, 2025 19:15July 24, 2025 19:3015m6,4351,609
24Oxford County, MEOctober 7, 2025 18:30October 7, 2025 21:152h 45m6,43410K
25Androscoggin County, MEMarch 19, 2025 17:15March 19, 2025 17:3015m6,4231,606
EAGLE-I tracked about n/a of Maine'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.