Power Outages in Jefferson County, ID
As of July 18, 2026 18:54 UTC, about 2 customers are without power in Jefferson County, ID across 2 reported incidents. In 2025, the average customer here lost power for about 6.5 hours.
Jefferson County, ID is served by 1 tracked utility.
No active NWS alerts for Jefferson County right now.
Jefferson County has been under 13 National Weather Service alerts recently — most recently a Special Weather Statement on July 17, 2026.
- Red Flag Warning ×6
- Extreme Heat Warning ×4
- Special Weather Statement ×2
- Heat Advisory ×1
Hardest-hit cities in Jefferson County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Jefferson Countyisn't available yet.
Historical reliability
In 2025, the average customer in Jefferson County went about 6.5 hours without power. Peak simultaneous outage on record reached 16,466 customers.
Worst year here was 2020 (peak 16,466 customers out) · decade average 5.6 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2017 | 252 | 1,697 | 1.8 |
| 2018 | 520 | 2,531 | 4.2 |
| 2019 | 787 | 5,030 | 4.4 |
| 2020 | 681 | 16,466 | 11.5 |
| 2021 | 578 | 3,630 | 4.3 |
| 2022 | 606 | 2,635 | 4.1 |
| 2023 | 602 | 2,992 | 4.9 |
| 2024 | 630 | 5,191 | 8.7 |
| 2025 | 613 | 3,219 | 6.5 |
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 83.8% of outage-time over 1 month of live data. Shares above are of the portion with a known cause.
Relatively Moderate winter weather exposure · 5.6 hrs/yr of outages over the last decade.
Power outages in Jefferson County: FAQ
- How often does Jefferson County, ID lose power?
- Based on EAGLE-I records, Jefferson County, ID logged 613 distinct outage events in 2025, averaging about 6.5 hours without power per customer over the year.
- What was the worst power outage in Jefferson County, ID?
- The largest tracked outage peaked at 16,466 customers without power, beginning May 28, 2020 and lasting about 11h.
- Is there a power outage in Jefferson County, ID right now?
- Yes — about 2 customers are currently without power across 2 reported incident(s).
- Which utilities serve Jefferson County, ID?
- Tracked electric providers include PACIFICORP.
Outages are tracked at the county level; these ZIP codes fall within Jefferson County.
83425, 83431, 83434, 83435, 83442, 83444, 83450
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| PACIFICORP | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/16051 and /api/v1/counties/16051/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Idaho customers). Live data as of .