massoutage

Power Outages in Granite County, MT

As of September 2, 2026 18:33 UTC, about 1 customers are without power in Granite County, MT across 1 reported incident. In 2025, the average customer here lost power for about 5.8 hours.

Granite County, MT is served by 1 tracked utility.

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Granite County, MT
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This county 0out
Scattered outages

1 customers without power

0.0% of Granite County · across 1 reported incident.

Live data as of

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🔔 Alerts for Granite County, MT:
◢ ACTIVE WEATHER ALERTS · NWS
  • Special Weather StatementMODERATE
Recent NWS alert activity · Granite County

Granite County has been under 105 National Weather Service alerts recently — most recently a Special Weather Statement on September 2, 2026.

  • Special Weather Statement ×64
  • Air Quality Alert ×16
  • Fire Weather Watch ×11
  • Red Flag Warning ×8
  • Flash Flood Warning ×3
  • Flood Watch ×2
OUTAGE TREND
Granite County, MT
1
AS OF LAST UPDATE · PEAK 68
Updated September 2, 2026
2 PM8 PM2 AM8 AM2 PM

Hardest-hit cities in Granite County

Where this event is concentrated across the county's towns and townships.

Per-city live breakdown needs data

Live outage counts are tracked at the county level; a city-by-city split within Granite Countyisn't available yet.

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.

A decade of outages (20192025)
avg hrs without power / customer
0.0h201913.2h20209.7h20217.7h20225.9h202324.6h20245.8h2025

Worst year here was 2024 (peak 1,592 customers out) · decade average 9.5 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
2019210.0
20201441,67313.2
20211459109.7
20221251,9047.7
20231191,4255.9
20241761,59224.6
20251476035.8
Worst recorded outages
STARTEDPEAK OUTDURATION
November 5, 20221,9049h
May 15, 20201,67316h 30m
May 23, 20241,59218h 45m
February 3, 20241,4464h 30m
May 3, 20231,4253h 45m
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively Low ice storms exposure · 9.5 hrs/yr of outages over the last decade.

HurricaneNot Applicable
TornadoVery Low
Ice stormRelatively Low
Strong windVery Low
WildfireRelatively Low

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?
Yes — about 1 customers are currently without power across 1 reported incident(s).
Which utilities serve Granite County, MT?
Tracked electric providers include MISSOULA ELECTRIC COOP, INC.
ZIP codes in Granite County

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.

ProviderOfficial SAIDI (EIA)LiveReport outage
MISSOULA ELECTRIC COOP, INCODIN ✓

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). Live data as of .