massoutage

2017 Massachusetts Power Outage Report

In 2017, the average Massachusetts customer went without power for about 4.7 hours, the 13th worst of 51 states (US average 7.3 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.

Avg hrs / customer
4.7
vs prior year
▲ 106%
vs 2016
Customer-hours out
15.5M
Peak customers out
320,596
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, 2017

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

CSVJSON
Massachusetts customer-hours without power by month, 2017Jan 314K, Feb 911K, Mar 1.5M, Apr 217K, May 324K, Jun 422K, Jul 452K, Aug 321K, Sep 339K, Oct 8.6M, Nov 1.6M, Dec 476K02.5M5M7.5M10M314KJan911KFeb1.5MMar217KApr324KMay422KJun452KJul321KAug339KSep8.6MOct1.6MNov476KDec
Use the arrow keys to read values.

All 14 Massachusetts counties, 2017

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

CSVJSON
#CountyHrs / customerCustomer-hoursCustomersPeak outEvents
1Nantucket County20.314K680680151
2Essex County20.04.3M216,31478,644993
3Barnstable County9.91.2M118,43750,0971,003
4Middlesex County7.83.4M434,42666,566632
5Worcester County7.11.5M212,61743,7141,040
6Plymouth County5.11.4M281,67249,4561,085
7Bristol County4.01.1M284,25437,5791,037
8Dukes County3.368K20,8646,988237
9Norfolk County2.7893K326,35721,309948
10Hampden County2.7524K196,65620,3291,024
11Franklin County2.2129K57,9495,327560
12Hampshire County1.8182K101,97429,373593
13Berkshire County1.4142K99,0236,562769
14Suffolk County0.6605K947,2116,486900

Biggest Massachusetts outages of 2017

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

CSVJSON
#CountyStarted (UTC)Ended (UTC)DurationPeak outCustomer-hours
1Essex County, MAOctober 30, 2017 00:45November 4, 2017 08:005d 7h78,6443.3M
2Middlesex County, MAOctober 29, 2017 18:30November 5, 2017 01:456d 7h66,5662.2M
3Barnstable County, MAFebruary 9, 2017 16:15February 12, 2017 06:302d 14h50,097480K
4Plymouth County, MAOctober 30, 2017 00:30November 3, 2017 22:304d 22h49,4561.1M
5Middlesex County, MAMarch 14, 2017 13:15March 17, 2017 03:002d 13h44,504184K
6Worcester County, MAOctober 30, 2017 00:00November 3, 2017 08:304d 8h43,714790K
7Essex County, MAMarch 14, 2017 14:30March 17, 2017 04:002d 13h43,083583K
8Bristol County, MAOctober 29, 2017 22:15November 4, 2017 02:305d 4h37,579881K
9Hampshire County, MANovember 15, 2017 14:15November 15, 2017 19:155h29,37367K
10Worcester County, MAMarch 2, 2017 14:00March 4, 2017 08:151d 18h29,177149K
11Plymouth County, MAMarch 14, 2017 14:30March 15, 2017 08:3018h23,50137K
12Norfolk County, MAOctober 29, 2017 14:15November 3, 2017 08:154d 18h21,309487K
13Bristol County, MAMay 12, 2017 19:45May 13, 2017 10:0014h 15m20,52727K
14Hampden County, MAOctober 30, 2017 02:00November 3, 2017 00:003d 22h20,329374K
15Worcester County, MAMarch 14, 2017 15:15March 16, 2017 02:001d 10h20,08751K
16Barnstable County, MAOctober 30, 2017 01:15November 3, 2017 03:154d 2h17,899269K
17Barnstable County, MADecember 25, 2017 14:45December 27, 2017 03:451d 13h17,635101K
18Barnstable County, MAJuly 12, 2017 01:30July 12, 2017 06:305h17,33635K
19Norfolk County, MAMarch 30, 2017 12:00March 30, 2017 15:003h13,5576,164
20Worcester County, MAMarch 23, 2017 13:00March 23, 2017 18:305h 30m12,2655,810
21Middlesex County, MAJuly 21, 2017 10:00July 22, 2017 21:451d 11h12,04522K
22Barnstable County, MAMay 10, 2017 21:00May 10, 2017 22:301h 30m11,8743,818
23Essex County, MAFebruary 12, 2017 22:30February 13, 2017 10:0011h 30m11,36622K
24Bristol County, MAApril 12, 2017 12:30April 12, 2017 19:156h 45m11,0212,808
25Middlesex County, MAMarch 2, 2017 08:45March 4, 2017 08:001d 23h10,05662K
EAGLE-I tracked about n/a of Massachusetts's electricity customers in 2017; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Other states in 2017:FLMEWVNHGARIVTNC

Part of the 2017 US Power Outage Report.

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