Power Out Map
– 0 customers out in Maine

Power outage history

Maine

21hours

without power for the average customer in a typical year, 2018–2025. 2nd of 51.

Largest outage on record Windstorm, October 30, 2017 481,891 customers out · 59% of the state
Electricity customers 820,970 Across 16 counties
Worst well-recorded year 2023 39 hours without power, average customer

County by county

Where Maine goes dark

Hours without power for the average customer in a typical year. Hover a county; click to open it.

Fewer hours64+ h / yr

Most hours without power

  1. 1Piscataquis44 h
  2. 2Somerset42 h
  3. 3Hancock41 h
  4. 4Lincoln39 h
  5. 5Oxford32 h
  6. 6York30 h
  7. 7Franklin29 h
  8. 8Waldo27 h
  9. 9Knox27 h
  10. 10Sagadahoc26 h

Most reliable

  1. 1Aroostook7.2 h
  2. 2Cumberland12 h
  3. 3Androscoggin13 h
  4. 4Kennebec16 h
  5. 5Washington19 h

Year by year

Hours in the dark, statewide

0 10 20 30 40 50 ’15 ’16 ’17 11 ’18 6.1 ’19 37 ’20 6.3 ’21 22 ’22 39 ’23 38 ’24 6.2 ’25 US 6.6

The record

Maine's largest outages

Statewide events with at least 2% of customers, or 25,000, out at once, by peak.

BeganStormPeak outShare
Oct 30, 2017 Windstorm 481,891 58.7%
Dec 18, 2023 Windstorm 414,055 50.4%
Apr 4, 2024 Winter storm 332,458 40.5%
Dec 23, 2022 Windstorm 273,749 33.3%
Apr 9, 2020 Winter storm 270,779 33.0%
Dec 5, 2020 Winter storm 218,888 26.7%
Mar 23, 2024 Winter storm 203,764 24.8%
Dec 30, 2016 Winter storm 123,981 15.1%
Sep 30, 2020 Windstorm 123,112 15.0%
Nov 30, 2020 Windstorm 107,143 13.1%
Oct 12, 2024 Windstorm 92,743 11.3%
Aug 4, 2020 Hurricane Isaias 92,714 11.3%

Every county

All 16 counties

CountyHours / yrMajor outages since 2018Customers
Piscataquis 44 106 10,203
Somerset 42 71 19,524
Hancock 41 78 31,079
Lincoln 39 61 23,436
Oxford 32 27 38,205
York 30 32 76,996
Franklin 29 72 20,532
Waldo 27 57 22,684
Knox 27 91 15,343
Sagadahoc 26 70 24,839
Penobscot 21 25 88,128
Washington 19 76 15,144
Kennebec 16 13 87,760
Androscoggin 13 10 77,643
Cumberland 12 8 227,401
Aroostook 7.2 24 42,053

Who keeps the lights on

Utilities in Maine

Reliability and residential price as reported to the EIA for the latest year. Outage minutes include major storm days.

UtilityTypeOutage min / yrExcl. major storms¢/kWhCustomers
Central Maine Power Co Investor Owned 318 177 27.4 584k
Versant Power Investor Owned 500 223 30.1 138k
Eastern Maine Electric Coop Cooperative 991 559 19.4 11k
Kennebunk Light & Power Dist Municipal – – 13.5 6.7k
Houlton Water Company Municipal – – 14.2 3.9k
Town of Madison Municipal – – 15.0 2.4k