Plymouth County, Massachusetts Power Outages, 2015 to 2023

Plymouth County, Massachusetts had 31 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 2.18 times the US outage time per person and 2.47 times the Massachusetts rate. It ranks 1 of 12 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

3.4major outages per year

9 of 9years with a major outage

80 hrslongest major outage

Oct, Marhardest months

October and March made up 76% of this county's outage time. The largest outage on record began Mar 2, 2018, reached 141,383 customers, and left at least 200 customers out for 80.5 hours.

Outage time per resident, rated Massachusetts counties

MostLeast

Outage impact by year

Customer-hours without power. 1,000 customers out for 2 hours is 2,000 customer-hours.

2.5M

7.5M

10M

2015'152016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	217,884	128	1
2016	747,292	174	4
2017	1,366,009	180	1
2018	8,820,847	207	4
2019	1,467,611	114	3
2020	2,023,039	186	9
2021	8,525,598	150	4
2022	756,832	201	3
2023	2,049,394	140	2

When outages hit

Share of this county's customer-hours by month.

20%

40%

60%

80%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Mar 2, 2018	80.5	141,383	6,572,643
Oct 28, 2021	79.0	125,477	3,378,408
Oct 27, 2021	20.5	351,202	3,221,934
Dec 18, 2023	68.5	64,953	1,792,216
Oct 27, 2021	18.0	175,422	1,690,929

Hours measure how long at least 200 customers in the county were out. Most customers get power back sooner.

Size your backup battery

Start with what you would keep running. Wattages are typical averages, so check your own appliances.

Phones, Wi-Fi, lights, about 60 WRefrigerator, about 60 WChest freezer, about 40 WGas furnace fan, about 160 W

Hours to cover: 24

1,700 Whof battery capacity, allowing for about 15% conversion loss

If anyone relies on medical equipment, plan that with their provider. Run portable fuel generators outdoors only, at least 20 feet from doors, windows and vents. See the outage checklist.

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How to read this

A major outage lasted at least 8 hours and reached customers equal to at least 1% of county residents.
Records cover outages of at least 200 customers in a county. They do not show what happened on your street.
Utilities that do not report can make a county look better than it is. Data ends in 2023. Read the full method.