Sangamon County, Illinois Power Outages, 2015 to 2023

Sangamon County, Illinois had 6 major outages from 2015 to 2023

Below middle outage time among US counties

Residents here averaged 0.78 times the US outage time per person and 1.83 times the Illinois rate. It ranks 28 of 95 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.7major outages per year

3 of 9years with a major outage

220 hrslongest major outage

Jun, Aughardest months

June and August made up 84% of this county's outage time. The largest outage on record began Jun 29, 2023, reached 48,681 customers, and left at least 200 customers out for 219.8 hours.

Outage time per resident, rated Illinois 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	49,030	38	0
2016	82,959	34	0
2017	42,660	10	1
2018	37,399	32	0
2019	54,643	28	0
2020	98,367	96	0
2021	181,906	87	2
2022	106,702	85	0
2023	2,668,316	74	3

When outages hit

Share of this county's customer-hours by month.

25%

50%

75%

100%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Jun 29, 2023	219.8	48,681	2,577,086
Aug 12, 2021	21.8	12,454	54,998
Mar 3, 2023	12.5	4,947	26,806
Feb 4, 2017	10.0	2,865	24,869
Dec 11, 2021	23.5	1,878	18,931

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.