County annual report · FIPS 30023
2024 Deer Lodge County, MT Power Outage Report
In 2024, customers in Deer Lodge County, MT went without power for an average of 5.8 hours, a total of 39K customer-hours (Montana average 8.5 hours). That ranks 23rd worst of 51 Montana counties and 1447th of 2,990 nationally.
Compared with MT, the US and 2023
Coverage line is EAGLE-I's share of Montana customers tracked each year.
Biggest outages in Deer Lodge County, 2024
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | February 11, 2024 21:30 | February 11, 2024 23:45 | 2h 15m | 7,105 | 13K |
| 2 | May 1, 2024 07:45 | May 1, 2024 08:00 | 15m | 3,339 | 835 |
| 3 | April 30, 2024 20:30 | April 30, 2024 22:15 | 1h 45m | 1,502 | 1,510 |
| 4 | May 7, 2024 18:30 | May 7, 2024 20:15 | 1h 45m | 1,495 | 2,610 |
| 5 | July 25, 2024 11:45 | July 25, 2024 13:00 | 1h 15m | 1,402 | 1,402 |
| 6 | February 4, 2024 22:15 | February 5, 2024 01:30 | 3h 15m | 1,224 | 3,875 |
| 7 | July 14, 2024 22:45 | July 15, 2024 00:00 | 1h 15m | 387 | 484 |
| 8 | September 16, 2024 14:45 | September 17, 2024 00:45 | 10h | 338 | 300 |
| 9 | July 20, 2024 13:45 | July 20, 2024 15:00 | 1h 15m | 320 | 398 |
| 10 | June 27, 2024 07:00 | June 27, 2024 18:15 | 11h 15m | 318 | 839 |
Outage episodes by size in 2024: 25 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 Deer Lodge County reported on EIA Form 861 for 2024, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| NorthWestern Energy LLC - (MT) | 2024 | 3.9 hrs | 1.30 | 2.0 hrs | 0.95 |
| Bonneville Power Administration | - | - | - | - | - |
| NorthWestern Energy | - | - | - | - | - |
| Vigilante Electric Coop, 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 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 6,663 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. Deer Lodge County has data for 2019–2025.
Cite this report
MassOutage (massoutage.com), Deer Lodge County, MT annual power outage report, 2024, 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/2024/montana/deer-lodge-county