massoutage

County annual report · FIPS 16053

2023 Jerome County, ID Power Outage Report

In 2023, customers in Jerome County, ID went without power for an average of 3.5 hours, a total of 41K customer-hours (Idaho average 2.4 hours). That ranks 27th worst of 43 Idaho counties and 1775th of 2,977 nationally.

Summary data CSVJSON
Avg hrs / customer
3.5
11,738 customers
Customer-hours out
41K
Peak customers out
5,582
Outages ≥1,000 out
3
0 of 10,000+ · 127 total
Longest outage
14h 30m
began March 10, 2023
Rank in state
27th/43
1775th of 2,977 US

Compared with ID, the US and 2022

Jerome County, ID average hours without power per customer compared with state and national averages, 2023Jerome County 3.5 hours, Idaho average 2.4 hours, US average 7.1 hours, Jerome County, 2022 5.5 hoursJerome CountyJerome County3.5hIdaho averageIdaho average2.4hUS averageUS average7.1hJerome County, 2022Jerome County, 20225.5h
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Average hours without power per customer in 2023; last bar is this county in 2022.

Month by month

CSVJSON
Jerome County, ID customer-hours without power by month, 2023Jan 2,104, Feb 898, Mar 8,582, Apr 1,511, May 1,164, Jun 3,625, Jul 3,497, Aug 4,303, Sep 3,091, Oct 334, Nov 9,475, Dec 2,81702.5k5k7.5k10k2,104Jan898Feb8,582Mar1,511Apr1,164May3,625Jun3,497Jul4,303Aug3,091Sep334Oct9,475Nov2,817Dec
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Customer-hours; November was the worst month.

Jerome County year over year

CSVJSON
Jerome County, ID: average hours without power per customer by year2015: 0.3h; 2016: 1.9h; 2017: 8.1h; 2018: 2.0h, coverage 91%; 2019: 3.1h, coverage 92%; 2020: 2.8h, coverage 95%; 2021: 2.2h, coverage 90%; 2022: 5.5h, coverage 91%; 2023: 3.5h; 2024: 4.3h; 2025: 3.0h02.557.5100%50%100%0.3h20151.9h20168.1h20172.0h20183.1h20192.8h20202.2h20215.5h20223.5h20234.3h20243.0h2025
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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 Jerome County, 2023

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

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1November 15, 2023 18:15November 15, 2023 20:001h 45m5,5823,112
2March 10, 2023 18:30March 11, 2023 09:0014h 30m4,4056,935
3January 6, 2023 21:45January 6, 2023 22:0015m4,2371,059
4November 27, 2023 12:30November 27, 2023 19:457h 15m9764,549
5August 13, 2023 11:45August 13, 2023 14:302h 45m9181,960
6June 24, 2023 03:00June 24, 2023 07:454h 45m5942,608
7April 2, 2023 02:15April 2, 2023 04:302h 15m5821,045
8September 25, 2023 15:15September 25, 2023 16:301h 15m513532
9July 8, 2023 20:00July 9, 2023 03:007h5113,035
10May 16, 2023 01:45May 16, 2023 03:001h 15m432534

Outage episodes by size in 2023: 40 reached 100+ customers, 3 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 Jerome County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Idaho Power Co20232.5 hrs1.212.4 hrs1.16

About this data

  • Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Idaho's customers in 2023; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 11,738 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. Jerome County has data for 2015–2025.

Cite this report

MassOutage (massoutage.com), Jerome County, ID annual power outage report, 2023, 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/2023/idaho/jerome-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON