massoutage

County annual report · FIPS 16039

2019 Elmore County, ID Power Outage Report

In 2019, customers in Elmore County, ID went without power for an average of 3.3 hours, a total of 45K customer-hours (Idaho average 2.2 hours). That ranks 22nd worst of 44 Idaho counties and 1529th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
3.3
13,404 customers
Customer-hours out
45K
Peak customers out
5,429
Outages ≥1,000 out
6
0 of 10,000+ · 85 total
Longest outage
14h 30m
began July 14, 2019
Rank in state
22nd/44
1529th of 2,945 US

Compared with ID, the US and 2018

Elmore County, ID average hours without power per customer compared with state and national averages, 2019Elmore County 3.3 hours, Idaho average 2.2 hours, US average 4.7 hours, Elmore County, 2018 2.6 hoursElmore CountyElmore County3.3hIdaho averageIdaho average2.2hUS averageUS average4.7hElmore County, 2018Elmore County, 20182.6h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

CSVJSON
Elmore County, ID customer-hours without power by month, 2019Jan 6,096, Feb 924, Mar 1,982, Apr 997, May 550, Jun 868, Jul 20K, Aug 794, Sep 1,230, Oct 303, Nov 8,933, Dec 1,637010k20k30k6,096Jan924Feb1,982Mar997Apr550May868Jun20KJul794Aug1,230Sep303Oct8,933Nov1,637Dec
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Customer-hours; July was the worst month.

Elmore County year over year

CSVJSON
Elmore County, ID: average hours without power per customer by year2015: 1.6h; 2016: 0.9h; 2017: 7.8h; 2018: 2.6h, coverage 91%; 2019: 3.3h, coverage 92%; 2020: 2.5h, coverage 95%; 2021: 3.3h, coverage 90%; 2022: 4.6h, coverage 91%; 2023: 3.5h; 2024: 2.7h; 2025: 3.9h024680%50%100%1.6h20150.9h20167.8h20172.6h20183.3h20192.5h20203.3h20214.6h20223.5h20232.7h20243.9h2025
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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 Elmore County, 2019

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1November 14, 2019 14:30November 14, 2019 15:0030m5,4292,715
2July 23, 2019 05:30July 23, 2019 09:003h 30m5,00211K
3November 8, 2019 18:30November 8, 2019 19:451h 15m4,0445,042
4July 13, 2019 23:15July 14, 2019 04:455h 30m2,0663,189
5June 2, 2019 15:00June 2, 2019 15:3030m1,541771
6January 13, 2019 05:45January 13, 2019 10:004h 15m1,2323,616
7March 12, 2019 05:00March 12, 2019 06:301h 30m8551,283
8January 1, 2019 21:15January 2, 2019 02:305h 15m6691,553
9July 22, 2019 17:45July 23, 2019 01:307h 45m5681,090
10July 30, 2019 16:15July 30, 2019 23:006h 45m4951,187

Outage episodes by size in 2019: 32 reached 100+ customers, 6 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 Elmore 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
Idaho Power Co20182.3 hrs1.012.3 hrs1.00
Bonneville Power Administration-----

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 ÷ 13,404 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. Elmore County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Elmore 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/elmore-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON