Matanuska-Susitna Borough, Alaska Power Outages, 2017 to 2023

Matanuska-Susitna Borough, Alaska had 33 major outages from 2017 to 2023

Higher outage time among US counties

Residents here averaged 1.68 times the US outage time per person and 1.70 times the Alaska rate. It ranks 2 of 6 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

4.7major outages per year

6 of 7years with a major outage

178 hrslongest major outage

Jan, Novhardest months

January and November made up 46% of this county's outage time. The largest outage on record began Jan 2, 2022, reached 25,042 customers, and left at least 200 customers out for 83.8 hours.

Outage time per resident, rated Alaska counties

MostLeast

Outage impact by year

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

0.5M

1.5M

2017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2017	15,422	10	0
2018	303,975	139	2
2019	407,418	120	5
2020	208,995	95	4
2021	445,800	97	5
2022	1,447,296	124	9
2023	550,313	99	8

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
Jan 2, 2022	83.8	25,042	792,965
Dec 23, 2022	46.5	18,365	178,861
Nov 13, 2023	42.0	11,300	169,255
Jan 1, 2022	22.2	14,552	138,044
Oct 30, 2021	31.5	8,286	117,593

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.