massoutage

County annual report · FIPS 16015

2019 Boise County, ID Power Outage Report

In 2019, customers in Boise County, ID went without power for an average of 24.0 hours, a total of 84K customer-hours (Idaho average 2.2 hours). That ranks 2nd worst of 44 Idaho counties and 166th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
24.0
3,491 customers
Customer-hours out
84K
Peak customers out
4,282
Outages ≥1,000 out
5
0 of 10,000+ · 41 total
Longest outage
15h 45m
began August 10, 2019
Rank in state
2nd/44
166th of 2,945 US

Compared with ID, the US and 2018

Boise County, ID average hours without power per customer compared with state and national averages, 2019Boise County 24.0 hours, Idaho average 2.2 hours, US average 4.7 hours, Boise County, 2018 37.1 hoursBoise CountyBoise County24.0hIdaho averageIdaho average2.2hUS averageUS average4.7hBoise County, 2018Boise County, 201837.1h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

CSVJSON
Boise County, ID customer-hours without power by month, 2019Jan 4,476, Feb 5,911, Mar 1,435, Apr 376, May 1,790, Jun 1,371, Jul 1,847, Aug 29K, Sep 5,446, Oct 24K, Nov 2,266, Dec 5,456010k20k30k4,476Jan5,911Feb1,435Mar376Apr1,790May1,371Jun1,847Jul29KAug5,446Sep24KOct2,266Nov5,456Dec
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Customer-hours; August was the worst month.

Boise County year over year

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Boise County, ID: average hours without power per customer by year2015: 3.4h; 2016: 18.5h; 2017: 33.8h; 2018: 37.1h, coverage 91%; 2019: 24.0h, coverage 92%; 2020: 25.3h, coverage 95%; 2021: 34.5h, coverage 90%; 2022: 30.1h, coverage 91%; 2023: 30.0h; 2024: 109.5h; 2025: 28.9h0501001500%50%100%3.4h201518.5h201633.8h201737.1h201824.0h201925.3h202034.5h202130.1h202230.0h2023109.5h202428.9h2025
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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 Boise County, 2019

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1October 19, 2019 21:00October 20, 2019 10:3013h 30m4,28224K
2December 15, 2019 01:15December 15, 2019 02:301h 15m3,6104,448
3August 10, 2019 03:45August 10, 2019 19:3015h 45m3,42628K
4January 21, 2019 16:15January 21, 2019 17:451h 30m2,7114,067
5September 6, 2019 10:15September 6, 2019 13:453h 30m1,4735,156
6February 25, 2019 13:00February 26, 2019 00:3011h 30m7162,628
7September 28, 2019 09:45September 28, 2019 10:0015m694174
8July 24, 2019 19:45July 24, 2019 20:0015m690173
9March 20, 2019 20:45March 20, 2019 22:001h 15m659824
10June 21, 2019 18:15June 21, 2019 20:001h 45m571999

Outage episodes by size in 2019: 22 reached 100+ customers, 5 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 Boise 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

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 ÷ 3,491 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. Boise County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Boise 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/boise-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON