Larimer County, Colorado Power Outages, 2015 to 2023

Larimer County, Colorado had 5 major outages from 2015 to 2023

Lower outage time among US counties

Residents here averaged 0.21 times the US outage time per person and 0.64 times the Colorado rate. It ranks 34 of 44 in the state, where 1 has the most. Data confidence: High, with 9 years of records.

0.6major outages per year

3 of 9years with a major outage

50 hrslongest major outage

Mar, Sephardest months

March and September made up 48% of this county's outage time. The largest outage on record began Mar 23, 2016, reached 20,820 customers, and left at least 200 customers out for 49.5 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.

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	146,750	71	2
2016	375,067	40	1
2017	51,165	34	0
2018	94,943	58	0
2019	133,457	72	0
2020	362,811	68	0
2021	406,914	69	2
2022	106,225	77	0
2023	86,331	73	0

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
Mar 23, 2016	49.5	20,820	299,152
Mar 14, 2021	48.8	12,879	201,816
Sep 25, 2020	82.2	2,734	148,039
Nov 8, 2015	32.8	7,267	72,656
Dec 15, 2021	14.8	5,269	46,236

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.