Power Out Map
– 0% of Adams out 0 customers out in Idaho

Power outage history

Adams County Idaho

15hours

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

2.3× the national median

Worst outage on record Apr 10, 2019 58% of customers out · 90% back in 3.0 hours
Hours without power, average customer per year 15h / yr State average 3.7 h · national median 6.6 h
Major outages a year 25.0 Peaks over 10% of customers or 50,000 customers
Typical time to restore 90% 3hours Median across major outages, from the peak
Longest single outage 28hours May 30, 2020, over 1% of customers out
Outage hours on storm days 13% Share falling on days with a NOAA storm report here
Worst year 2019 16 hours without power, average customer
Electricity customers 2,117 ORNL customer model · 2 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 Adams'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

2019 was the worst well-recorded year, at 16 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Adams, hours without power per customer

AdamsUS median countyIdaho average
0 5 10 15 20 ’15 ’16 ’17 14 ’18 16 ’19 ’20 ’21 ’22 ’23 ’24 ’25 US 6.6 ID 3.7

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
Apr 10, 2019 Flooding 1,225 58% 10 h 3.0 h 12k
May 31, 2017 No storm report 1,180 56% 10 h 10 h 12k
Jul 12, 2016 No storm report 1,166 55% 8.2 h 8.0 h 9.3k
Jul 5, 2016 No storm report 1,355 64% 7.2 h 7.2 h 9.3k
Aug 19, 2017 No storm report 1,389 66% 6.8 h 6.8 h 8.8k
Jun 14, 2021 No storm report 1,732 82% 12 h 12 h 7.3k
Jul 7, 2024 No storm report 1,602 76% 5.5 h 30 min 7.2k
Aug 9, 2019 No storm report 1,439 68% 5.8 h 5.8 h 7.2k
Jun 16, 2020 No storm report 2,117 100% 3.0 h 3.0 h 6.4k
Jul 8, 2023 No storm report 1,532 72% 3.8 h 3.8 h 5.7k
Jul 7, 2016 No storm report 1,231 58% 4.5 h 4.5 h 5.5k
Sep 16, 2015 No storm report 2,117 100% 2.5 h 2.5 h 5.3k

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 +6h 90% by +8h

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 Adams from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.

  • No storm on record 88%
  • Flooding 8.6%
  • Winter storm 2.2%
  • Thunderstorms 1.5%

Who keeps the lights on

Utilities serving Adams

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

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
Idaho Power Co Investor Owned 171 141 1.03 11.8 540k

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 Idaho

Where it is darkest

Hours / yr64+

All Idaho 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 2,117 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 →