massoutage

County annual report · FIPS 30019

2019 Daniels County, MT Power Outage Report

In 2019, customers in Daniels County, MT went without power for an average of 3.4 hours, a total of 1,451 customer-hours (Montana average 0.6 hours). That ranks 4th worst of 38 Montana counties and 1512th of 2,945 nationally.

Summary data CSVJSON
Avg hrs / customer
3.4
429 customers
Customer-hours out
1,451
Peak customers out
115
Outages ≥1,000 out
0
0 of 10,000+ · 9 total
Longest outage
1d 8h
began April 28, 2019
Rank in state
4th/38
1512th of 2,945 US

Compared with MT, the US and 2018

Daniels County, MT average hours without power per customer compared with state and national averages, 2019Daniels County 3.4 hours, Montana average 0.6 hours, US average 4.7 hours, Daniels County, 2018 3.6 hoursDaniels CountyDaniels County3.4hMontana averageMontana average0.6hUS averageUS average4.7hDaniels County, 2018Daniels County, 20183.6h
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Average hours without power per customer in 2019; last bar is this county in 2018.

Month by month

CSVJSON
Daniels County, MT customer-hours without power by month, 2019Jan 0, Feb 0, Mar 0, Apr 1,353, May 0, Jun 0, Jul 38, Aug 14, Sep 0, Oct 9, Nov 4, Dec 3405001k1.5k0Jan0Feb0Mar1,353Apr0May0Jun38Jul14Aug0Sep9Oct4Nov34Dec
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Customer-hours; April was the worst month.

Daniels County year over year

CSVJSON
Daniels County, MT: average hours without power per customer by year2015: no data; 2016: no data; 2017: 2.2h; 2018: 3.6h, coverage 16%; 2019: 3.4h, coverage 75%; 2020: 4.1h, coverage 76%; 2021: 1.7h, coverage 76%; 2022: 10.3h, coverage 76%; 2023: 0.1h; 2024: 1.2h; 2025: 4.1h0510150%50%100%n/a2015n/a20162.2h20173.6h20183.4h20194.1h20201.7h202110.3h20220.1h20231.2h20244.1h2025
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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 Montana customers tracked each year.

Biggest outages in Daniels County, 2019

The 9 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1April 28, 2019 16:45April 28, 2019 19:453h115221
2April 28, 2019 21:45April 30, 2019 06:151d 8h521,123
3August 12, 2019 02:30August 12, 2019 02:4515m4110
4October 10, 2019 15:30October 10, 2019 15:4515m369
5July 24, 2019 21:45July 24, 2019 23:151h 30m2538
6December 25, 2019 01:00December 25, 2019 03:002h1734
7August 6, 2019 03:00August 6, 2019 03:1515m164
8November 19, 2019 20:30November 19, 2019 21:0030m74
9April 10, 2019 19:00April 10, 2019 21:002h510

Outage episodes by size in 2019: 1 reached 100+ customers, 0 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 Daniels 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
Montana-Dakota Utilities Co-----
Sheridan Electric Coop, Inc-----
NorVal Electric Cooperative, 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 75% of Montana's customers in 2019; utilities it does not see are not counted.
  • Hours per customer = outage customer-minutes ÷ 429 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. Daniels County has data for 2017–2025.

Cite this report

MassOutage (massoutage.com), Daniels County, MT 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/). https://massoutage.com/reports/2019/montana/daniels-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON