massoutage

County annual report · FIPS 30019

2025 Daniels County, MT Power Outage Report

In 2025, customers in Daniels County, MT went without power for an average of 4.1 hours, a total of 1,774 customer-hours (Montana average 6.8 hours). That ranks 31st worst of 51 Montana counties and 1731st of 3,000 nationally.

Summary data CSVJSON
Avg hrs / customer
4.1
429 customers
Customer-hours out
1,774
Peak customers out
694
Outages ≥1,000 out
0
0 of 10,000+ · 8 total
Longest outage
4h 15m
began August 26, 2025
Rank in state
31st/51
1731st of 3,000 US

Compared with MT, the US and 2024

Daniels County, MT average hours without power per customer compared with state and national averages, 2025Daniels County 4.1 hours, Montana average 6.8 hours, US average 5.9 hours, Daniels County, 2024 1.2 hoursDaniels CountyDaniels County4.1hMontana averageMontana average6.8hUS averageUS average5.9hDaniels County, 2024Daniels County, 20241.2h
Use the arrow keys to read values.
Average hours without power per customer in 2025; last bar is this county in 2024.

Month by month

CSVJSON
Daniels County, MT customer-hours without power by month, 2025Jan 0, Feb 0, Mar 7, Apr 12, May 0, Jun 0, Jul 0, Aug 336, Sep 0, Oct 0, Nov 1,410, Dec 905001k1.5k0Jan0Feb7Mar12Apr0May0Jun0Jul336Aug0Sep0Oct1,410Nov9Dec
Use the arrow keys to read values.
Customer-hours; November 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
Use the arrow keys to read values.
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, 2025

The 8 outage episodes with the most customers out at once. Times are UTC.

CSVJSON
#Started (UTC)Ended (UTC)DurationPeak outCustomer-hours
1November 25, 2025 04:30November 25, 2025 08:304h6941,410
2August 3, 2025 03:30August 3, 2025 04:451h 15m509147
3August 9, 2025 01:45August 9, 2025 02:0015m5815
4August 26, 2025 15:30August 26, 2025 19:454h 15m49174
5April 28, 2025 18:00April 28, 2025 18:3030m95
6December 3, 2025 20:30December 3, 2025 21:301h99
7March 23, 2025 18:00March 23, 2025 19:001h77
8April 12, 2025 15:15April 12, 2025 16:301h 15m68

Outage episodes by size in 2025: 2 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 2025, or their most recent earlier filing. Utility-wide figures, not county-specific.

CSVJSON
UtilityEIA yearSAIDISAIFISAIDI excl. major eventsSAIFI excl. major events
Montana-Dakota Utilities Co20242.9 hrs1.262.1 hrs1.10
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 n/a of Montana's customers in 2025; 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, 2025, 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/2025/montana/daniels-county

summary CSVJSONyears CSVJSONmonths CSVJSONevents CSVJSONutilities CSVJSON