massoutage

County annual report · FIPS 16061

2019 Lewis County, ID Power Outage Report

In 2019, customers in Lewis County, ID went without power for an average of 9.7 hours, a total of 18K customer-hours (Idaho average 2.2 hours). That ranks 9th worst of 44 Idaho counties and 560th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
9.7
1,808 customers
Customer-hours out
18K
Peak customers out
1,215
Outages ≥1,000 out
1
0 of 10,000+ · 436 total
Longest outage
1d 8h
began May 16, 2019
Rank in state
9th/44
560th of 2,945 US

Compared with ID, the US and 2018

Lewis County, ID average hours without power per customer compared with state and national averages, 2019Lewis County 9.7 hours, Idaho average 2.2 hours, US average 4.7 hours, Lewis County, 2018 6.4 hoursLewis CountyLewis County9.7hIdaho averageIdaho average2.2hUS averageUS average4.7hLewis County, 2018Lewis County, 20186.4h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

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Lewis County, ID customer-hours without power by month, 2019Jan 59, Feb 1,114, Mar 371, Apr 1,031, May 3,481, Jun 1,213, Jul 2,257, Aug 679, Sep 3,742, Oct 2,624, Nov 267, Dec 77901k2k3k4k59Jan1,114Feb371Mar1,031Apr3,481May1,213Jun2,257Jul679Aug3,742Sep2,624Oct267Nov779Dec
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Customer-hours; September was the worst month.

Lewis County year over year

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Lewis County, ID: average hours without power per customer by year2015: 59.9h; 2016: 5.0h; 2017: 21.2h; 2018: 6.4h, coverage 91%; 2019: 9.7h, coverage 92%; 2020: 6.8h, coverage 95%; 2021: 3.0h, coverage 90%; 2022: 4.2h, coverage 91%; 2023: 3.9h; 2024: 4.7h; 2025: 16.2h02040600%50%100%59.9h20155.0h201621.2h20176.4h20189.7h20196.8h20203.0h20214.2h20223.9h20234.7h202416.2h2025
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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 Lewis County, 2019

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1May 26, 2019 16:15May 26, 2019 19:453h 30m1,2151,613
2September 19, 2019 12:45September 19, 2019 22:4510h682675
3July 23, 2019 14:30July 23, 2019 22:458h 15m579306
4September 10, 2019 22:00September 11, 2019 01:453h 45m4151,224
5September 12, 2019 23:00September 13, 2019 05:456h 45m4151,463
6December 15, 2019 17:00December 15, 2019 21:304h 30m277646
7July 3, 2019 15:15July 3, 2019 21:156h232239
8April 10, 2019 23:15April 10, 2019 23:4530m229115
9July 10, 2019 17:15July 10, 2019 18:451h 30m229172
10May 18, 2019 13:45May 18, 2019 19:155h 30m228376

Outage episodes by size in 2019: 19 reached 100+ customers, 1 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 Lewis County reported on EIA Form 861 for 2019, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Avista Corp20182.6 hrs0.892.2 hrs0.81
Clearwater Power Company201816.6 hrs3.1612.0 hrs2.91
Idaho County L&P Coop Assn, Inc-----

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 92% of Idaho's customers in 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 1,808 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. Lewis County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Lewis County, ID annual power outage report, 2019, 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/2019/idaho/lewis-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON