Silver Bow County, Montana Power Outages, 2020 to 2023

Silver Bow County, Montana had 1 major outage from 2020 to 2023

Below middle outage time among US counties

Residents here averaged 0.47 times the US outage time per person and 0.82 times the Montana rate. It ranks 22 of 34 in the state, where 1 has the most. Data confidence: Medium, with 4 years of records.

0.2major outages per year

1 of 4years with a major outage

22 hrslongest major outage

Jun, Novhardest months

June and November made up 44% of this county's outage time. The largest outage on record began Jun 13, 2020, reached 7,121 customers, and left at least 200 customers out for 6.0 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.

25K

50K

75K

100K

2020'202021'212022'222023'23

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2020	84,862	28	0
2021	23,343	10	0
2022	43,722	17	1
2023	15,037	10	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
Jun 13, 2020	6.0	7,121	15,789
Jul 20, 2021	3.5	5,468	13,203
Nov 24, 2020	5.8	2,029	11,449
Aug 24, 2022	22.2	401	8,922
Nov 17, 2020	22.5	323	7,268

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.