St. Louis City, Missouri Power Outages, 2015 to 2023

St. Louis City, Missouri had 51 major outages from 2015 to 2023

Higher outage time among US counties

Residents here averaged 2.40 times the US outage time per person and 4.62 times the Missouri rate. It ranks 2 of 108 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

5.7major outages per year

4 of 9years with a major outage

147 hrslongest major outage

Jun, Julhardest months

June and July made up 64% of this county's outage time. The largest outage on record began Jun 30, 2023, reached 83,685 customers, and left at least 200 customers out for 147.0 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.

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	102,464	376	0
2016	289,564	765	0
2017	57,363	131	0
2018	226,820	598	0
2019	205,714	651	0
2020	1,364,214	299	5
2021	3,726,962	477	11
2022	1,626,533	545	16
2023	7,171,240	437	19

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 30, 2023	147.0	83,685	4,307,248
Jul 10, 2021	89.8	40,765	1,248,605
Aug 12, 2021	74.5	69,559	1,166,595
Jul 29, 2023	54.0	62,328	994,490
Jul 12, 2023	137.0	25,615	779,494

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.