Power Outages in Johnson County, WY
As of the latest utility report, no major power outages are reported in Johnson County, WY. In 2025, the average customer here lost power for about 9.8 hours.
Johnson County, WY is served by 2 tracked utilities.
No active power outages are currently reported in Johnson County.
No active NWS alerts for Johnson County right now.
Johnson County has been under 15 National Weather Service alerts recently — most recently a Special Weather Statement on July 18, 2026.
- Extreme Heat Warning ×6
- Flood Advisory ×3
- Red Flag Warning ×3
- Flood Watch ×2
- Special Weather Statement ×1
Latest Johnson County, WY outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 54m
- OUTAGE BEGAN
Outage began — 2,142 customers out
Hardest-hit cities in Johnson County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Johnson County went about 9.8 hours without power. Peak simultaneous outage on record reached 7,084 customers.
Worst year here was 2020 (peak 2,053 customers out) · decade average 5.0 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2017 | 67 | 471 | 0.3 |
| 2018 | 109 | 3,638 | 3.4 |
| 2019 | 397 | 683 | 1.7 |
| 2020 | 312 | 2,053 | 9.8 |
| 2021 | 278 | 1,236 | 3.6 |
| 2022 | 265 | 3,889 | 5.4 |
| 2023 | 299 | 851 | 4.4 |
| 2024 | 342 | 1,290 | 7.0 |
| 2025 | 317 | 7,084 | 9.8 |
Relatively Moderate winter weather exposure · 5.0 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 Johnson County: FAQ
- How often does Johnson County, WY lose power?
- Based on EAGLE-I records, Johnson County, WY logged 317 distinct outage events in 2025, averaging about 9.8 hours without power per customer over the year.
- What was the worst power outage in Johnson County, WY?
- The largest tracked outage peaked at 7,084 customers without power, beginning November 13, 2025 and lasting about 13h 15m.
- Is there a power outage in Johnson County, WY right now?
- No major outage is currently reported for Johnson County, WY. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Johnson County, WY?
- Tracked electric providers include PACIFICORP, POWDER RIVER ENERGY CORP.
Outages are tracked at the county level; these ZIP codes fall within Johnson County.
82639, 82640, 82834
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/56019 and /api/v1/counties/56019/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Wyoming customers).