2020 Massachusetts Power Outage Report
In 2020, the average Massachusetts customer went without power for about 5.3 hours, the 25th worst of 51 states (US average 8.0 hours). Figures from DOE/ORNL EAGLE-I, including major storm days.
Avg hrs / customer
5.3
vs prior year
▲ 78%
vs 2019
Customer-hours out
17.6M
Peak customers out
243,001
across the state at once
EAGLE-I coverage
94%
of MA customers
Counties reporting
14
Massachusetts year over year
All 14 Massachusetts counties, 2020
Ranked by average hours without power per customer. Each county links to its annual report.
| # | County | Hrs / customer | Customer-hours | Customers | Peak out | Events |
|---|---|---|---|---|---|---|
| 1 | Worcester County | 17.8 | 3.8M | 212,617 | 70,225 | 963 |
| 2 | Nantucket County | 14.3 | 9,701 | 680 | 680 | 150 |
| 3 | Hampden County | 13.6 | 2.7M | 196,656 | 56,663 | 921 |
| 4 | Hampshire County | 7.6 | 778K | 101,974 | 16,358 | 643 |
| 5 | Franklin County | 7.5 | 435K | 57,949 | 9,863 | 580 |
| 6 | Plymouth County | 7.4 | 2.1M | 281,672 | 46,225 | 1,071 |
| 7 | Berkshire County | 7.2 | 717K | 99,023 | 19,280 | 806 |
| 8 | Norfolk County | 6.4 | 2.1M | 326,357 | 43,408 | 863 |
| 9 | Middlesex County | 4.7 | 2.0M | 434,426 | 31,359 | 671 |
| 10 | Barnstable County | 4.6 | 545K | 118,437 | 18,757 | 1,090 |
| 11 | Bristol County | 4.1 | 1.2M | 284,254 | 28,131 | 1,014 |
| 12 | Essex County | 2.9 | 635K | 216,314 | 13,560 | 919 |
| 13 | Suffolk County | 0.7 | 669K | 947,211 | 9,052 | 861 |
| 14 | Dukes County | 0.7 | 15K | 20,864 | 2,829 | 259 |
Biggest Massachusetts outages of 2020
Up to 25 county outage episodes with the most customers out at once.
| # | County | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|---|
| 1 | Worcester County, MA | August 4, 2020 17:15 | August 9, 2020 07:00 | 4d 13h | 70,225 | 1.6M |
| 2 | Hampden County, MA | August 4, 2020 19:30 | August 10, 2020 05:45 | 5d 10h | 56,663 | 2.1M |
| 3 | Plymouth County, MA | February 7, 2020 17:00 | February 10, 2020 05:45 | 2d 12h | 46,225 | 513K |
| 4 | Plymouth County, MA | April 13, 2020 15:30 | April 16, 2020 04:45 | 2d 13h | 46,071 | 634K |
| 5 | Worcester County, MA | October 7, 2020 18:45 | October 12, 2020 00:45 | 4d 6h | 44,540 | 913K |
| 6 | Norfolk County, MA | October 7, 2020 17:45 | October 11, 2020 05:45 | 3d 12h | 43,408 | 554K |
| 7 | Middlesex County, MA | September 30, 2020 07:15 | October 15, 2020 05:15 | 14d 22h | 31,359 | 475K |
| 8 | Plymouth County, MA | August 4, 2020 17:30 | August 6, 2020 06:45 | 1d 13h | 31,175 | 162K |
| 9 | Hampden County, MA | October 7, 2020 21:15 | October 10, 2020 22:45 | 3d 1h | 30,367 | 352K |
| 10 | Bristol County, MA | August 4, 2020 11:30 | August 7, 2020 02:30 | 2d 15h | 28,131 | 308K |
| 11 | Norfolk County, MA | April 13, 2020 12:15 | April 16, 2020 10:45 | 2d 22h | 25,668 | 377K |
| 12 | Middlesex County, MA | April 13, 2020 10:45 | April 17, 2020 05:15 | 3d 18h | 25,258 | 239K |
| 13 | Bristol County, MA | October 7, 2020 22:30 | October 10, 2020 22:00 | 2d 23h | 23,577 | 137K |
| 14 | Worcester County, MA | May 9, 2020 07:45 | May 10, 2020 08:45 | 1d 1h | 22,926 | 41K |
| 15 | Worcester County, MA | April 13, 2020 10:00 | April 16, 2020 08:30 | 2d 22h | 22,274 | 160K |
| 16 | Plymouth County, MA | October 7, 2020 22:15 | October 11, 2020 02:15 | 3d 4h | 21,932 | 315K |
| 17 | Norfolk County, MA | September 30, 2020 07:45 | October 2, 2020 20:00 | 2d 12h | 19,623 | 143K |
| 18 | Berkshire County, MA | August 4, 2020 18:30 | August 9, 2020 00:00 | 4d 5h | 19,280 | 401K |
| 19 | Worcester County, MA | December 5, 2020 11:15 | December 8, 2020 04:15 | 2d 17h | 19,064 | 227K |
| 20 | Norfolk County, MA | August 3, 2020 09:00 | August 8, 2020 17:45 | 5d 8h | 18,934 | 340K |
| 21 | Norfolk County, MA | February 7, 2020 19:45 | February 9, 2020 19:30 | 1d 23h | 18,762 | 201K |
| 22 | Barnstable County, MA | February 7, 2020 18:45 | February 10, 2020 01:00 | 2d 6h | 18,757 | 118K |
| 23 | Bristol County, MA | April 13, 2020 18:15 | April 16, 2020 00:30 | 2d 6h | 17,163 | 214K |
| 24 | Middlesex County, MA | August 3, 2020 04:45 | August 8, 2020 09:45 | 5d 5h | 17,121 | 214K |
| 25 | Berkshire County, MA | October 7, 2020 19:30 | October 11, 2020 00:15 | 3d 4h | 16,708 | 202K |
EAGLE-I tracked about 94% of Massachusetts's electricity customers in 2020; outages at utilities it does not see are not counted. Hours per customer divide outage customer-minutes by modeled county customers.
Part of the 2020 US Power Outage Report.
Data from DOE EAGLE-I, every source we read.