Sublette County, WY Power Outages
As of Nov 2, 11:30 PM EST, no power outages were reported in Sublette County, Wyoming by PacifiCorp.
Sublette County on the Wyoming outage map
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Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Sublette County power outage history
Every significant outage recorded in Sublette County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 155 significant power outages in Sublette County, meaning events that left at least 1% of customers in the dark. The largest (Jun 10–12, 2024) came when severe thunderstorms left 5,905 customers (100% of the county) without power.
From 2018 to 2025, the average customer here lost about 4 hr 27 min of power per year, more than the Wyoming average of 2 hr 19 min. That ranks 7th of 23 Wyoming counties for outage time, where 1st has the most.
September is the riskiest month: it accounted for 24% of all customer outage time from 2018 to 2025. On 53 days in that period, at least 5% of customers were out at the same time. Outage time in Sublette County has held roughly steady recently: about 4 hr 22 min per customer per year in 2022–2025, versus 4 hr 32 min in 2018–2021.
The most recent significant outage on record (Dec 27–28, 2025) affected 572 customers (11.2%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Jun 10–12, 2024 | 5,905(100%) | 3 | Severe thunderstorms |
| 2 | Nov 7, 2018 | 5,787(100%) | 1 | No major storm reported |
| 3 | Sep 11, 2018 | 5,635(100%) | 1 | No major storm reported |
| 4 | May 16, 2021 | 4,170(81.4%) | 1 | Hail and lightning |
| 5 | Jul 27–30, 2024 | 1,878(36.7%) | 4 | Severe thunderstorms |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Sublette County?
Electric companies with service territory in Sublette County (EIA-861, 2025)
| Utility | Type | Customers (WY) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| PacifiCorp (Rocky Mountain Power / Pacific Power) | Investor Owned | 148,217 | Reporting | |
| Lower Valley Energy Inc | Cooperative | 29,462 | Not reporting |
Customer counts are each utility's statewide total in Wyoming. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Sublette County outage headlines in the past week.
Nearby counties
Sublette County power outage FAQ
Is the power out in Sublette County right now?
No outages are currently reported for Sublette County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Sublette County?
According to EIA-861 service territory data, PacifiCorp, Lower Valley Energy Inc provide electric service in Sublette County, Wyoming.
What was the worst power outage in Sublette County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Jun 10–12, 2024. It peaked at 5,905 customers without power (100% of the county). NOAA storm reports for that period point to severe thunderstorms.
How often does the power go out in Sublette County?
EAGLE-I has recorded 155 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 4 hr 27 min of power per year, and on 53 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Sublette County, WY Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/wyoming/sublette-county