St. Charles County, Missouri Power Outages, 2015 to 2023

St. Charles County, Missouri had 16 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.26 times the US outage time per person and 0.50 times the Missouri rate. It ranks 81 of 108 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

1.8major outages per year

8 of 9years with a major outage

49 hrslongest major outage

Jul, Aughardest months

July and August made up 49% of this county's outage time. The largest outage on record began Jul 29, 2023, reached 24,562 customers, and left at least 200 customers out for 49.2 hours.

Outage time per resident, rated Missouri counties

MostLeast

Outage impact by year

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

200K

400K

600K

800K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	113,673	75	1
2016	182,465	91	2
2017	151,444	61	2
2018	115,145	95	0
2019	250,039	107	1
2020	290,622	88	1
2021	577,698	99	4
2022	220,418	103	2
2023	504,119	102	3

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
Jul 29, 2023	49.2	24,562	248,629
Jun 19, 2021	47.5	25,716	220,810
Aug 10, 2020	30.2	16,968	126,966
Jul 10, 2021	40.5	9,200	104,574
Aug 12, 2021	28.8	11,768	65,253

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

Counties ranked nearby

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.