Denali Borough, Alaska Power Outages, 2016 to 2023

This county is not rated. Its numbers may not reflect what residents experienced.

Denali Borough, Alaska had 4 major outages from 2016 to 2023

Not rated

We show this record but do not rank it because the history is short, the population is very small, or customer counts look too high for the population. Treat these numbers with caution. Data confidence: Low, with 8 years of records.

0.5major outages per year

2 of 8years with a major outage

36 hrslongest major outage

Dec, Junhardest months

December and June made up 37% of this county's outage time. The largest outage on record began Dec 26, 2021, reached 1,028 customers, and left at least 200 customers out for 17.5 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.

10K

20K

30K

40K

2016'162017'172018'182019'192020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2016	213	1	0
2017	1,890	9	0
2018	11,110	20	0
2019	14,806	17	0
2020	16,078	26	0
2021	18,532	14	1
2022	20,987	18	3
2023	6,571	11	0

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
Dec 26, 2021	17.5	1,028	12,866
Jan 1, 2022	35.8	252	8,235
Aug 22, 2019	6.2	801	5,006
Aug 6, 2018	5.0	795	3,975
Jun 5, 2020	3.8	1,144	3,515

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.

Look up another county

Other Alaska counties

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.