massoutage

2023 Massachusetts Power Outage Report

In 2023, the average Massachusetts customer went without power for about 5.1 hours — the 22nd worst of any US state that year, 1.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
5.1
Peak customers out
85,579
Rank (worst state)
22nd
Counties affected
14

Massachusetts outages over the decade

Average hours without power per customer, 2023 highlighted.

1.5h20152.3h20164.7h201712.6h20183.0h20195.3h20207.4h20213.3h20225.1h20231.9h20242.8h2025

Hardest-hit Massachusetts counties in 2023

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

1Middlesex County85,5792Plymouth County64,9533Norfolk County55,1594Bristol County33,0555Worcester County30,8326Essex County29,6457Berkshire County25,0308Hampden County20,2929Suffolk County15,08210Barnstable County13,90111Hampshire County11,12912Dukes County9,66713Franklin County8,58814Nantucket County555

Biggest Massachusetts outages of 2023

CountyBeganPeak customers out
Middlesex CountyDecember 18, 202385,579
Plymouth CountyDecember 18, 202364,953
Norfolk CountyDecember 17, 202355,159
Bristol CountyDecember 18, 202333,055
Worcester CountyMarch 14, 202330,832
Middlesex CountySeptember 7, 202330,603
Essex CountySeptember 8, 202329,645
Worcester CountyDecember 17, 202325,526
Berkshire CountyMarch 14, 202325,030
Plymouth CountyFebruary 3, 202323,890
Massachusetts by year:20252024202220212020201920182017
Other states in 2023:MEMIKYOKARWV

Part of the 2023 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.