Knox County, Maine Power Outages, 2015 to 2023

Knox County, Maine had 28 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 3.58 times the US outage time per person and 0.82 times the Maine rate. It ranks 10 of 15 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

3.1major outages per year

7 of 9years with a major outage

132 hrslongest major outage

Dec, Octhardest months

December and October made up 48% of this county's outage time. The largest outage on record began Oct 30, 2017, reached 14,527 customers, and left at least 200 customers out for 131.8 hours.

Outage time per resident, rated Maine counties

MostLeast

Outage impact by year

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

0.25M

0.5M

0.75M

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	27,627	21	0
2016	116,184	40	2
2017	732,092	50	2
2018	113,392	41	4
2019	23,040	24	0
2020	902,361	63	7
2021	112,787	41	3
2022	376,789	59	3
2023	825,512	77	7

When outages hit

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

10%

20%

30%

40%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Oct 30, 2017	131.8	14,527	625,572
Apr 9, 2020	118.2	11,010	496,518
Mar 14, 2023	49.0	16,556	290,622
Dec 23, 2022	57.0	10,269	282,155
Sep 16, 2023	31.8	7,640	154,259

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.