Sweetwater County, WY Power Outages
As of Nov 3, 2:00 AM EST, no power outages were reported in Sweetwater County, Wyoming by PacifiCorp.
Sweetwater 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.
Sweetwater County power outage history
Every significant outage recorded in Sweetwater County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 92 significant power outages in Sweetwater County, meaning events that left at least 1% of customers in the dark. The largest (Sep 12, 2017) left 13,823 customers (54.3% of the county) without power. NOAA recorded no major storm in the area at the time.
From 2018 to 2025, the average customer here lost about 2 hr 27 min of power per year, close to the Wyoming average of 2 hr 19 min. That ranks 13th of 23 Wyoming counties for outage time, where 1st has the most.
September is the riskiest month: it accounted for 31% of all customer outage time from 2018 to 2025. On 41 days in that period, at least 5% of customers were out at the same time. Outage time in Sweetwater County has fallen recently: about 1 hr 51 min per customer per year in 2022–2025, versus 3 hr 3 min in 2018–2021.
The most recent significant outage on record (Dec 29, 2025) affected 323 customers (1.3%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Sep 12, 2017 | 13,823(54.3%) | 1 | No major storm reported |
| 2 | Sep 15, 2017 | 11,836(46.5%) | 1 | Winter storm |
| 3 | Dec 31, 2022 | 10,627(41.7%) | 1 | Winter storm |
| 4 | Sep 6–10, 2020 | 6,789(26.6%) | 5 | Winter storm |
| 5 | Jul 9–11, 2018 | 6,095(23.9%) | 3 | Wildfire |
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 Sweetwater County?
Electric companies with service territory in Sweetwater 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 | |
| Bridger Valley Elec Assn, Inc | Cooperative | 4,824 | Not reporting | |
| WAPA-- Western Area Power Administration | Federal | 6 | 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 Sweetwater County outage headlines in the past week.
Cities in Sweetwater County
Rock Springs
Nearby counties
Sweetwater County power outage FAQ
Is the power out in Sweetwater County right now?
No outages are currently reported for Sweetwater County by participating utilities. If your power is out, report it to your electric company.
Which electric company serves Sweetwater County?
According to EIA-861 service territory data, PacifiCorp, Bridger Valley Elec Assn, Inc, WAPA-- Western Area Power Administration provide electric service in Sweetwater County, Wyoming.
What was the worst power outage in Sweetwater County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Sep 12, 2017. It peaked at 13,823 customers without power (54.3% of the county). NOAA storm reports for that period point to no major storm reported.
How often does the power go out in Sweetwater County?
EAGLE-I has recorded 92 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 2 hr 27 min of power per year, and on 41 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. "Sweetwater County, WY Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/wyoming/sweetwater-county