massoutage

2020 Maine Power Outage Report

In 2020, the average Maine customer went without power for about 36.9 hours — the 2nd worst of any US state that year, 1.9× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
36.9
Peak customers out
65,190
Rank (worst state)
2nd
Counties affected
16

Maine outages over the decade

Average hours without power per customer, 2020 highlighted.

2.8h20157.8h201637.7h201710.9h20186.1h201936.9h20206.4h202122.0h202238.9h202338.2h20246.3h2025

Hardest-hit Maine counties in 2020

By peak customers out during the year's worst event.

1Penobscot County65,1902Cumberland County43,5643Kennebec County42,7734Androscoggin County27,9225York County27,6056Aroostook County24,0717Somerset County23,4028Waldo County22,0139Hancock County21,85410Oxford County20,83511Franklin County17,17612Lincoln County16,45213Sagadahoc County11,86514Piscataquis County11,38115Knox County11,01016Washington County9,757

Biggest Maine outages of 2020

CountyBeganPeak customers out
Penobscot CountyApril 9, 202065,190
Cumberland CountyDecember 5, 202043,564
Kennebec CountyApril 9, 202042,773
Cumberland CountyNovember 30, 202032,078
Androscoggin CountyApril 9, 202027,922
Cumberland CountyAugust 4, 202027,863
York CountyDecember 5, 202027,605
Kennebec CountyDecember 5, 202025,320
York CountyAugust 4, 202025,181
Kennebec CountySeptember 30, 202024,510
Maine by year:20252024202320222021201920182017
Other states in 2020:LAOKIAALNCMS

Part of the 2020 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.