massoutage

2023 Massachusetts Power Outage Report

In 2023, the average Massachusetts customer went without power for about 5.1 hours, the 22nd worst of 51 states (US average 6.7 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
5.1
vs prior year
▲ 56%
vs 2022
Customer-hours out
16.9M
Peak customers out
291,468
across the state at once
EAGLE-I coverage
n/a
of MA customers
Counties reporting
14

Massachusetts year over year

Massachusetts: average hours without power per customer by year2015: 1.5h; 2016: 2.3h; 2017: 4.7h; 2018: 12.5h, coverage 89%; 2019: 3.0h, coverage 89%; 2020: 5.3h, coverage 94%; 2021: 7.3h, coverage 99%; 2022: 3.3h, coverage 99%; 2023: 5.1h; 2024: 1.9h; 2025: 2.8h0510150%50%100%1.5h20152.3h20164.7h201712.5h20183.0h20195.3h20207.3h20213.3h20225.1h20231.9h20242.8h2025
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, 2023

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

CSVJSON
Massachusetts customer-hours without power by month, 2023Jan 951K, Feb 526K, Mar 2.2M, Apr 595K, May 341K, Jun 1.8M, Jul 714K, Aug 409K, Sep 2.2M, Oct 239K, Nov 334K, Dec 6.6M02M4M6M8M951KJan526KFeb2.2MMar595KApr341KMay1.8MJun714KJul409KAug2.2MSep239KOct334KNov6.6MDec
Use the arrow keys to read values.

All 14 Massachusetts counties, 2023

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Nantucket County17.112K680555175
2Hampden County12.02.4M196,65620,292126
3Worcester County9.22.0M212,61730,832969
4Essex County8.71.9M216,31429,645894
5Plymouth County7.52.1M281,67264,9531,020
6Middlesex County7.53.3M434,42685,579635
7Franklin County6.4370K57,9498,588585
8Norfolk County5.61.8M326,35755,159939
9Berkshire County5.2517K99,02325,030779
10Barnstable County4.8565K118,43713,901890
11Bristol County3.5982K284,25433,055992
12Hampshire County2.7279K101,97411,129622
13Dukes County2.043K20,8649,667275
14Suffolk County0.7707K947,21115,082944

Biggest Massachusetts outages of 2023

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Middlesex County, MADecember 18, 2023 07:45December 22, 2023 09:304d 1h85,5791.3M
2Plymouth County, MADecember 18, 2023 08:45December 22, 2023 07:153d 22h64,9531.8M
3Norfolk County, MADecember 17, 2023 22:45December 23, 2023 07:455d 9h55,1591.4M
4Bristol County, MADecember 18, 2023 10:15December 22, 2023 03:453d 17h33,055718K
5Worcester County, MAMarch 14, 2023 06:45March 17, 2023 09:153d 2h30,832556K
6Middlesex County, MASeptember 7, 2023 00:30September 17, 2023 19:1510d 18h30,603512K
7Essex County, MASeptember 8, 2023 18:30September 12, 2023 03:153d 8h29,6451.1M
8Worcester County, MADecember 17, 2023 14:15December 22, 2023 03:454d 13h25,526392K
9Berkshire County, MAMarch 14, 2023 06:00March 18, 2023 05:003d 23h25,030357K
10Plymouth County, MAFebruary 3, 2023 14:45February 5, 2023 02:451d 12h23,89040K
11Essex County, MADecember 18, 2023 07:45December 22, 2023 04:453d 21h22,269356K
12Hampden County, MAFebruary 16, 2023 21:30March 19, 2023 06:0030d 8h20,292198K
13Hampden County, MAMay 25, 2023 14:00June 11, 2023 12:1516d 22h20,147923K
14Hampden County, MAJune 11, 2023 13:45June 18, 2023 13:156d 23h20,120505K
15Hampden County, MAJuly 17, 2023 19:45August 16, 2023 03:3029d 7h20,12074K
16Worcester County, MAJanuary 23, 2023 00:45January 28, 2023 00:004d 23h15,865434K
17Suffolk County, MANovember 3, 2023 13:15November 4, 2023 06:1517h15,08226K
18Barnstable County, MADecember 18, 2023 11:00December 21, 2023 07:002d 20h13,901152K
19Bristol County, MAJuly 4, 2023 19:15July 5, 2023 05:1510h13,58515K
20Suffolk County, MADecember 23, 2023 02:45December 23, 2023 06:303h 45m13,05617K
21Berkshire County, MASeptember 7, 2023 19:15September 9, 2023 05:001d 9h12,82238K
22Suffolk County, MADecember 18, 2023 11:00December 22, 2023 06:453d 19h12,487149K
23Barnstable County, MAJuly 13, 2023 12:15July 14, 2023 07:3019h 15m12,36220K
24Barnstable County, MAJanuary 13, 2023 10:00January 13, 2023 19:309h 30m12,3217,410
25Plymouth County, MAAugust 17, 2023 16:00August 17, 2023 17:001h12,0349,028
EAGLE-I tracked about n/a of Massachusetts's electricity customers in 2023; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2023:MEMIKYOKARWVLAMS

Part of the 2023 US Power Outage Report.

Data from DOE EAGLE-I, every source we read.