massoutage

2024 Massachusetts Power Outage Report

In 2024, the average Massachusetts customer went without power for about 1.9 hours, the 46th worst of 51 states (US average 11.2 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
1.9
vs prior year
▼ 62%
vs 2023
Customer-hours out
6.4M
Peak customers out
33,984
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, 2024

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

CSVJSON
Massachusetts customer-hours without power by month, 2024Jan 752K, Feb 702K, Mar 383K, Apr 633K, May 423K, Jun 851K, Jul 864K, Aug 591K, Sep 218K, Oct 238K, Nov 297K, Dec 453K0250k500k750k1M752KJan702KFeb383KMar633KApr423KMay851KJun864KJul591KAug218KSep238KOct297KNov453KDec
Use the arrow keys to read values.

All 14 Massachusetts counties, 2024

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Nantucket County27.519K680680184
2Barnstable County5.5653K118,43726,740994
3Worcester County3.8809K212,61711,735958
4Essex County3.3704K216,31414,779826
5Middlesex County3.01.3M434,42616,414389
6Berkshire County2.8278K99,0237,671831
7Franklin County2.6151K57,9493,927618
8Hampden County2.4480K196,6565,98838
9Dukes County2.450K20,86412,883338
10Hampshire County2.2221K101,9748,344717
11Plymouth County1.8512K281,6729,6641,085
12Norfolk County1.2383K326,3575,592964
13Bristol County1.2330K284,25418,4791,108
14Suffolk County0.6522K947,21110,679983

Biggest Massachusetts outages of 2024

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Barnstable County, MAMay 29, 2024 18:30May 30, 2024 06:1511h 45m26,74066K
2Barnstable County, MAFebruary 13, 2024 17:00February 16, 2024 07:302d 14h25,127226K
3Bristol County, MAJuly 6, 2024 12:45July 6, 2024 14:151h 30m18,4797,584
4Middlesex County, MAJanuary 7, 2024 07:00January 12, 2024 22:155d 15h16,414272K
5Barnstable County, MAMay 2, 2024 12:15May 3, 2024 02:3014h 15m16,38125K
6Essex County, MAOctober 13, 2024 11:45October 15, 2024 04:301d 16h14,77915K
7Barnstable County, MAAugust 21, 2024 12:30August 21, 2024 18:155h 45m13,57612K
8Essex County, MAApril 4, 2024 01:45April 7, 2024 03:453d 2h12,904117K
9Dukes County, MAAugust 21, 2024 12:30August 21, 2024 15:453h 15m12,8839,717
10Worcester County, MAJuly 16, 2024 18:45July 18, 2024 23:302d 4h11,73570K
11Barnstable County, MAJune 23, 2024 20:15June 24, 2024 07:4511h 30m11,15617K
12Suffolk County, MAAugust 9, 2024 13:15August 10, 2024 02:4513h 30m10,67916K
13Middlesex County, MAAugust 12, 2024 08:00September 8, 2024 22:0027d 14h10,04983K
14Bristol County, MADecember 11, 2024 13:30December 13, 2024 03:451d 14h9,77343K
15Plymouth County, MADecember 11, 2024 15:45December 13, 2024 06:301d 14h9,66473K
16Barnstable County, MAAugust 1, 2024 16:45August 2, 2024 07:1514h 30m9,14829K
17Middlesex County, MAJune 25, 2024 11:30August 7, 2024 01:1542d 13h9,070211K
18Plymouth County, MAJune 26, 2024 15:00June 29, 2024 02:152d 11h8,89894K
19Suffolk County, MAJune 17, 2024 06:15June 23, 2024 03:155d 21h8,69647K
20Middlesex County, MAApril 3, 2024 17:45April 6, 2024 03:452d 10h8,47151K
21Worcester County, MAFebruary 29, 2024 03:00March 1, 2024 09:301d 6h8,40644K
22Hampshire County, MAJuly 13, 2024 10:45July 13, 2024 12:301h 45m8,34412K
23Worcester County, MAApril 3, 2024 10:00April 6, 2024 03:452d 17h8,26792K
24Barnstable County, MAMay 14, 2024 14:45May 14, 2024 22:458h7,7226,576
25Berkshire County, MAJuly 16, 2024 21:45July 19, 2024 00:302d 2h7,67181K
EAGLE-I tracked about n/a of Massachusetts's electricity customers in 2024; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Massachusetts by year:2025202320222021202020192018201720162015
Other states in 2024:SCMENCGATXFLWVLA

Part of the 2024 US Power Outage Report.

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