Power Outages in Granite County, MT
As of the latest utility report, no major power outages are reported in Granite County, MT. In 2025, the average customer here lost power for about 5.8 hours.
Granite County, MT is served by 1 tracked utility.
No active power outages are currently reported in Granite County.
No active NWS alerts for Granite County right now.
Granite County has been under 109 National Weather Service alerts recently — most recently a Special Weather Statement on September 2, 2026.
- Special Weather Statement ×67
- Air Quality Alert ×16
- Fire Weather Watch ×11
- Red Flag Warning ×8
- Flash Flood Warning ×3
- Flood Watch ×2
Hardest-hit cities in Granite County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Granite County went about 5.8 hours without power. Peak simultaneous outage on record reached 1,904 customers.
Worst year here was 2024 (peak 1,592 customers out) · decade average 9.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 2 | 1 | 0.0 |
| 2020 | 144 | 1,673 | 13.2 |
| 2021 | 145 | 910 | 9.7 |
| 2022 | 125 | 1,904 | 7.7 |
| 2023 | 119 | 1,425 | 5.9 |
| 2024 | 176 | 1,592 | 24.6 |
| 2025 | 147 | 603 | 5.8 |
Relatively Low ice storms exposure · 9.5 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Granite County: FAQ
- How often does Granite County, MT lose power?
- Based on EAGLE-I records, Granite County, MT logged 147 distinct outage events in 2025, averaging about 5.8 hours without power per customer over the year.
- What was the worst power outage in Granite County, MT?
- The largest tracked outage peaked at 1,904 customers without power, beginning November 5, 2022 and lasting about 9h.
- Is there a power outage in Granite County, MT right now?
- No major outage is currently reported for Granite County, MT. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Granite County, MT?
- Tracked electric providers include MISSOULA ELECTRIC COOP, INC.
Outages are tracked at the county level; these ZIP codes fall within Granite County.
59825, 59832, 59837, 59858
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| MISSOULA ELECTRIC COOP, INC | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/30039 and /api/v1/counties/30039/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Montana customers).