Power Outages in Big Horn County, WY
As of the latest utility report, no major power outages are reported in Big Horn County, WY. In 2025, the average customer here lost power for about 4.2 hours.
Big Horn County, WY is served by 2 tracked utilities.
No active power outages are currently reported in Big Horn County.
- Fire Weather WatchSEVERE
Big Horn County has been under 86 National Weather Service alerts recently — most recently a Fire Weather Watch on September 3, 2026.
- Red Flag Warning ×28
- Flood Watch ×11
- Air Quality Alert ×10
- Heat Advisory ×10
- Fire Weather Watch ×8
- Special Weather Statement ×7
Latest Big Horn County, WY outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 23m
- OUTAGE BEGAN
Outage began — 340 customers out (8.7% of the county)
- RESOLVED
Power restored after 1h 19m
- RESTORATION ETA
Restoration now estimated July 23, 2026
- OUTAGE BEGAN
Outage began — 1,714 customers out (44% of the county)
Hardest-hit cities in Big Horn County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Big Horn County went about 4.2 hours without power. Peak simultaneous outage on record reached 2,303 customers.
Worst year here was 2018 (peak 1,765 customers out) · decade average 2.7 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2017 | 61 | 1,472 | 0.3 |
| 2018 | 127 | 1,765 | 4.4 |
| 2019 | 317 | 676 | 1.4 |
| 2020 | 187 | 2,279 | 2.9 |
| 2021 | 118 | 2,303 | 3.6 |
| 2022 | 115 | 1,139 | 1.8 |
| 2023 | 98 | 1,582 | 3.0 |
| 2024 | 119 | 1,656 | 2.6 |
| 2025 | 115 | 1,675 | 4.2 |
What causes outages here
Share of outage-time by reported cause, from live ODIN utility reports. Why does my power keep going out? →
A reported cause is available for 24.2% of outage-time over 2 months of live data. Shares above are of the portion with a known cause.
Relatively Low winter weather exposure · 2.7 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 Big Horn County: FAQ
- How often does Big Horn County, WY lose power?
- Based on EAGLE-I records, Big Horn County, WY logged 115 distinct outage events in 2025, averaging about 4.2 hours without power per customer over the year.
- What was the worst power outage in Big Horn County, WY?
- The largest tracked outage peaked at 2,303 customers without power, beginning July 9, 2021 and lasting about 3h 30m.
- Is there a power outage in Big Horn County, WY right now?
- No major outage is currently reported for Big Horn County, WY. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Big Horn County, WY?
- Tracked electric providers include PACIFICORP, POWDER RIVER ENERGY CORP.
Outages are tracked at the county level; these ZIP codes fall within Big Horn County.
82410, 82411, 82412, 82420, 82421, 82422, 82423, 82426, 82428, 82431, 82432, 82434, 82441
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| PACIFICORP | — | ODIN ✓ | — |
| POWDER RIVER ENERGY CORP | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/56003 and /api/v1/counties/56003/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wyoming customers).