Power Out Map
– 0% of Albany out 0 customers out in Wyoming

Power outage history

Albany County Wyoming

3.3hours

without power for the average customer in a typical year, 2018–2025

7th most of 20 in Wyoming 51% below the national median

Worst outage on record Jun 9, 2020 41% of customers out · 90% back in 10 hours
Hours without power, average customer per year 3.3h / yr State average 2.4 h · national median 6.6 h
Major outages a year 2.5 Peaks over 10% of customers or 50,000 customers
Typical time to restore 90% 2hours Median across major outages, from the peak
Longest single outage 25hours Jun 8, 2020, over 1% of customers out
Outage hours on storm days 47% Share falling on days with a NOAA storm report here
Worst year 2020 11 hours without power, average customer
Electricity customers 23,303 ORNL customer model · 8 well-covered years

Every day since 2015

Eleven years, one night at a time

Each cell is a day. The brighter it is, the larger the share of Albany's customers who were without power at that day's worst moment.

20152016201720182019202020212022202320242025
0%100% of customers out

Year by year

Hours in the dark, per customer

2020 was the worst well-recorded year, at 11 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Albany, hours without power per customer

AlbanyUS median countyWyoming average
0 5 10 15 0.5 ’17 2.2 ’18 1.8 ’19 11 ’20 0.9 ’21 4.0 ’22 2.3 ’23 1.8 ’24 2.2 ’25 US 6.6 WY 2.4

The record

The biggest outages since 2015

Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.

Began Storm Peak out Share Lasted 90% restored Customer-hours
Jun 8, 2020 Winter storm 9,664 41% 25 h 10 h 98k
Jul 31, 2020 No storm report 9,723 42% 6.8 h 2.5 h 65k
Aug 9, 2022 No storm report 9,790 42% 8.2 h 6.2 h 60k
May 16, 2023 No storm report 9,786 42% 4.0 h 30 min 38k
Sep 16, 2025 Thunderstorms 2,734 12% 15 h 13 h 20k
Oct 25, 2020 Winter storm 9,444 41% 7.0 h 12 min 19k
Sep 13, 2020 No storm report 7,612 33% 2.2 h 1.0 h 17k
May 8, 2021 Windstorm 2,306 10% 15 h 9.5 h 17k
Mar 15, 2018 Winter storm 5,443 23% 9.2 h 5.0 h 15k
Mar 16, 2018 Winter storm 7,483 32% 8.8 h 1.0 h 15k
Aug 8, 2024 Thunderstorms 2,727 12% 8.2 h 7.8 h 13k
Apr 20, 2019 No storm report 3,019 13% 9.0 h 3.2 h 13k

After the peak

How fast the lights come back

Each line is one major outage, from its peak. The amber line is the typical path.

0% 25% 50% 75% 100% peak+24h+48h+72h+96h half back by +2h 90% by +6h

When it happens

The outage clock

Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.

00061218 Jan inside

What was happening

Weather behind the outages

Each outage is matched to NOAA storm reports for Albany from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.

  • No storm on record 53%
  • Winter storm 31%
  • Windstorm 8.6%
  • Thunderstorms 6.5%
  • Wildfire 0.6%

Who keeps the lights on

Utilities serving Albany

As each utility reports to the Energy Information Administration for its whole Wyoming territory, not this county alone. Outage minutes include major storm days.

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
PacifiCorp Investor Owned 195 91 1.37 15.1 119k
Cheyenne Light Fuel & Power Investor Owned 54 38 0.76 17.3 44k
Carbon Power & Light, Inc WY 292 292 1.98 16.0 43k
Wheatland Rural Elec Assn, Inc WY – – – – 28k
High West Energy, Inc Cooperative – – – 14.7 5.7k
WAPA-- Western Area Power Administration Federal – – – – –

EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.

Next door

Neighbouring counties

Across Wyoming

Where it is darkest

Hours / yr64+

All Wyoming counties →

About these numbers

Notes

Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 23,303 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →