– 0% of Harrison out 0 customers out in Kentucky

Power outage history

Harrison County Kentucky

5.0hours

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

92nd most of 119 in Kentucky 24% below the national median

Worst outage on record Mar 3, 2023 48% of customers out · 90% back in 22 hours
Hours without power, average customer per year 5.0h / yr State average 7.7 h · national median 6.6 h
Major outages a year 2.6 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 2.9days Mar 3, 2023, over 1% of customers out
Outage hours on storm days 64% Share falling on days with a NOAA storm report here
Worst year 2023 13 hours without power, average customer
Electricity customers 9,604 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 Harrison'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

2023 was the worst well-recorded year, at 13 hours for the average customer. Hatched years have a thin record and are left out of the averages.

Harrison, hours without power per customer

HarrisonUS median countyKentucky average
0 5 10 15 1.0 ’15 1.9 ’16 2.8 ’17 2.3 ’18 3.8 ’19 3.5 ’20 2.7 ’21 3.0 ’22 13 ’23 9.0 ’24 2.7 ’25 KY 7.7 US 6.6

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
Mar 3, 2023 Windstorm 4,636 48% 2.9 d 22 h 96k
Sep 27, 2024 Hurricane Helene 3,270 34% 2.1 d 21 h 45k
May 26, 2024 Thunderstorms 1,949 20% 27 h 23 h 23k
Apr 8, 2020 No storm report 1,948 20% 19 h 19 h 9.7k
Mar 1, 2017 Thunderstorms 1,769 18% 14 h 12 h 8.8k
Jun 17, 2022 Thunderstorms 1,876 20% 22 h 9.2 h 6.5k
Jul 1, 2023 No storm report 1,235 13% 7.2 h 1.0 h 6.5k
Feb 11, 2021 Ice storm 815 8% 14 h 7.2 h 4.4k
Apr 3, 2025 Thunderstorms 1,357 14% 8.0 h 3.0 h 4.4k
Jun 30, 2020 No storm report 1,860 19% 3.2 h 2.8 h 4.3k
Nov 1, 2020 No storm report 1,285 13% 3.8 h 2.0 h 4.0k
Jan 11, 2020 No storm report 843 9% 5.2 h 4.8 h 4.0k

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

  • No storm on record 36%
  • Windstorm 32%
  • Tropical storm 15%
  • Thunderstorms 15%
  • Ice storm 1.4%
  • Flooding 0.5%

Who keeps the lights on

Utilities serving Harrison

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

Utility Type Outage min / yr Excl. major storms Outages / yr Residential ¢/kWh Customers
Kentucky Utilities Co Investor Owned 197 89 1.14 11.9 454k
Blue Grass Energy Coop Corp Cooperative 426 255 1.91 12.6 62k

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 Kentucky

Where it is darkest

Hours / yr64+

All Kentucky 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 9,604 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 →