massoutage

County annual report · FIPS 16035

2020 Clearwater County, ID Power Outage Report

In 2020, customers in Clearwater County, ID went without power for an average of 35.7 hours, a total of 142K customer-hours (Idaho average 5.1 hours). That ranks 3rd worst of 44 Idaho counties and 227th of 3,019 nationally.

Summary data CSVJSON
Avg hrs / customer
35.7
3,978 customers
Customer-hours out
142K
Peak customers out
2,277
Outages ≥1,000 out
2
0 of 10,000+ · 210 total
Longest outage
4d 6h
began September 7, 2020
Rank in state
3rd/44
227th of 3,019 US

Compared with ID, the US and 2019

Clearwater County, ID average hours without power per customer compared with state and national averages, 2020Clearwater County 35.7 hours, Idaho average 5.1 hours, US average 8.7 hours, Clearwater County, 2019 17.0 hoursClearwater CountyClearwater County35.7hIdaho averageIdaho average5.1hUS averageUS average8.7hClearwater County, 2019Clearwater County, 2…17.0h
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Average hours without power per customer in 2020; last bar is this county in 2019.

Month by month

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Clearwater County, ID customer-hours without power by month, 2020Jan 8,958, Feb 3,452, Mar 107, Apr 672, May 1,894, Jun 1,264, Jul 4,257, Aug 802, Sep 95K, Oct 16K, Nov 4,628, Dec 4,798025k50k75k100k8,958Jan3,452Feb107Mar672Apr1,894May1,264Jun4,257Jul802Aug95KSep16KOct4,628Nov4,798Dec
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Customer-hours; September was the worst month.

Clearwater County year over year

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Clearwater County, ID: average hours without power per customer by year2015: 10.4h; 2016: 16.6h; 2017: 31.8h; 2018: 19.7h, coverage 91%; 2019: 17.0h, coverage 92%; 2020: 35.7h, coverage 95%; 2021: 29.9h, coverage 90%; 2022: 32.6h, coverage 91%; 2023: 30.0h; 2024: 26.8h; 2025: 82.8h02550751000%50%100%10.4h201516.6h201631.8h201719.7h201817.0h201935.7h202029.9h202132.6h202230.0h202326.8h202482.8h2025
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Average hours without power per customer. Line: EAGLE-I coverage, share of customers tracked (right axis).

Coverage line is EAGLE-I's share of Idaho customers tracked each year.

Biggest outages in Clearwater County, 2020

The 10 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1September 7, 2020 17:45September 12, 2020 00:004d 6h2,27769K
2September 14, 2020 13:45September 15, 2020 14:151d1,31724K
3October 23, 2020 23:45October 26, 2020 03:302d 3h71011K
4July 10, 2020 14:30July 13, 2020 07:152d 16h6712,021
5October 4, 2020 18:00October 4, 2020 22:154h 15m6692,512
6October 8, 2020 16:15October 8, 2020 18:152h5101,020
7May 18, 2020 00:30May 18, 2020 02:001h 30m416580
8September 2, 2020 16:30September 2, 2020 22:155h 45m386300
9May 31, 2020 03:00May 31, 2020 07:304h 30m382579
10January 22, 2020 21:45January 23, 2020 04:306h 45m3801,305

Outage episodes by size in 2020: 32 reached 100+ customers, 2 reached 1,000+ customers, 0 reached 10,000+ customers.

Utility reliability filed with the EIA

SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Clearwater County reported on EIA Form 861 for 2020, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Avista Corp20205.1 hrs1.562.2 hrs0.91
Clearwater Power Company201816.6 hrs3.1612.0 hrs2.91
Bonneville Power Administration-----
Avista Corp,avista-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 95% of Idaho's customers in 2020; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 3,978 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
  • An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
  • Years loaded: 2015–2025. Clearwater County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Clearwater County, ID annual power outage report, 2020, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2020/idaho/clearwater-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON