Sanders County, Montana Power Outages, 2017 to 2023

Sanders County, Montana had 8 major outages from 2017 to 2023

Higher outage time among US counties

Residents here averaged 1.84 times the US outage time per person and 3.18 times the Montana rate. It ranks 3 of 34 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

1.1major outages per year

3 of 7years with a major outage

86 hrslongest major outage

Jan, Sephardest months

January and September made up 71% of this county's outage time. The largest outage on record began Jan 13, 2021, reached 7,428 customers, and left at least 200 customers out for 86.5 hours.

Outage time per resident, rated Montana counties

MostLeast

Outage impact by year

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

100K

200K

300K

400K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2017	9,821	12	0
2018	7,450	9	0
2019	8,554	14	0
2020	106,732	40	3
2021	256,076	20	3
2022	38,770	35	2
2023	10,574	11	0

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
Jan 13, 2021	86.5	7,428	228,782
Sep 7, 2020	49.0	3,568	61,497
Feb 1, 2020	17.5	1,286	12,452
Nov 16, 2021	14.5	1,297	8,626
Apr 19, 2021	10.8	830	5,877

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.