Summit County, Colorado Power Outages, 2015 to 2023

Summit County, Colorado had 19 major outages from 2015 to 2023

Above middle outage time among US counties

Residents here averaged 1.33 times the US outage time per person and 3.98 times the Colorado rate. It ranks 4 of 44 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

2.1major outages per year

9 of 9years with a major outage

24 hrslongest major outage

Oct, Febhardest months

October and February made up 34% of this county's outage time. The largest outage on record began Feb 8, 2019, reached 17,666 customers, and left at least 200 customers out for 8.0 hours.

Outage time per resident, rated Colorado counties

MostLeast

Outage impact by year

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

100K

200K

300K

400K

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

Show yearly numbers

Year	Customer-hours	Reported outages	Major outages
2015	51,396	32	1
2016	43,138	28	1
2017	140,420	38	2
2018	209,573	53	5
2019	137,318	33	2
2020	82,826	36	3
2021	67,124	44	2
2022	77,466	47	1
2023	92,422	78	2

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
Feb 8, 2019	8.0	17,666	97,114
Oct 2, 2017	19.2	13,497	61,303
Jun 23, 2018	20.5	5,485	53,358
Dec 24, 2017	14.2	2,410	30,901
Oct 17, 2020	17.5	2,137	29,072

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.