massoutage

2021 Maine Power Outage Report

In 2021, the average Maine customer went without power for about 6.4 hours — the 16th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
6.4
Peak customers out
15,521
Rank (worst state)
16th
Counties affected
16

Maine outages over the decade

Average hours without power per customer, 2021 highlighted.

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

Hardest-hit Maine counties in 2021

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

1Aroostook County15,5212Penobscot County14,3833York County13,4964Hancock County13,0555Oxford County11,7736Cumberland County9,3047Kennebec County7,5778Franklin County7,4119Sagadahoc County6,24010Waldo County5,95211Androscoggin County5,90412Piscataquis County5,04013Somerset County4,87414Knox County4,58015Lincoln County4,26016Washington County3,399

Biggest Maine outages of 2021

CountyBeganPeak customers out
Aroostook CountySeptember 10, 202115,521
Penobscot CountyOctober 2, 202114,383
York CountyMarch 1, 202113,496
Hancock CountyOctober 31, 202113,055
Aroostook CountyJanuary 26, 202112,149
Oxford CountyMarch 2, 202111,773
York CountyMay 26, 202111,483
York CountyMarch 29, 202110,703
Penobscot CountyJuly 8, 20219,610
Cumberland CountyOctober 27, 20219,304
Maine by year:20252024202320222020201920182017
Other states in 2021:LAMIWVTXORMS

Part of the 2021 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.