Summit County, Utah Power Outages, 2017 to 2023

Summit County, Utah had 15 major outages from 2017 to 2023

Above middle outage time among US counties

Residents here averaged 0.82 times the US outage time per person and 2.17 times the Utah rate. It ranks 3 of 25 in the state, where 1 has the most. Data confidence: High, with 7 years of records.

2.1major outages per year

6 of 7years with a major outage

37 hrslongest major outage

Nov, Sephardest months

November and September made up 28% of this county's outage time. The largest outage on record began Mar 29, 2019, reached 2,646 customers, and left at least 200 customers out for 37.0 hours.

Outage time per resident, rated Utah counties

MostLeast

Outage impact by year

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

50K

100K

150K

200K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2017	57,891	23	2
2018	68,634	36	0
2019	82,211	51	2
2020	131,418	63	4
2021	66,286	51	1
2022	81,191	42	3
2023	118,088	56	3

When outages hit

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

10%

15%

20%

JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD

Largest outages on record

Start date	Hours	Peak customers	Customer-hours
Mar 29, 2019	37.0	2,646	35,384
Sep 24, 2017	26.2	1,721	17,850
Sep 9, 2023	9.2	2,497	16,476
Nov 7, 2020	11.0	2,661	15,904
Oct 11, 2020	10.8	1,791	14,554

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.