County annual report · FIPS 29101
2023 Johnson County, MO Power Outage Report
In 2023, customers in Johnson County, MO went without power for an average of 4.7 hours, a total of 90K customer-hours (Missouri average 9.4 hours). That ranks 67th worst of 114 Missouri counties and 1525th of 2,977 nationally.
Compared with MO, the US and 2022
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Johnson County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 31, 2023 01:45 | August 1, 2023 23:45 | 1d 22h | 2,876 | 31K |
| 2 | September 18, 2023 09:00 | September 18, 2023 10:30 | 1h 30m | 2,835 | 3,544 |
| 3 | October 14, 2023 13:15 | October 14, 2023 14:45 | 1h 30m | 2,079 | 2,818 |
| 4 | March 4, 2023 00:00 | March 4, 2023 01:30 | 1h 30m | 1,898 | 2,847 |
| 5 | June 4, 2023 13:15 | June 4, 2023 15:45 | 2h 30m | 1,312 | 1,985 |
| 6 | June 2, 2023 21:00 | June 3, 2023 05:45 | 8h 45m | 1,157 | 2,729 |
| 7 | July 5, 2023 01:45 | July 5, 2023 12:00 | 10h 15m | 1,151 | 2,601 |
| 8 | July 14, 2023 18:30 | July 16, 2023 07:45 | 1d 13h | 979 | 6,462 |
| 9 | August 15, 2023 16:30 | August 15, 2023 21:00 | 4h 30m | 913 | 423 |
| 10 | May 10, 2023 00:15 | May 10, 2023 07:30 | 7h 15m | 660 | 2,171 |
Outage episodes by size in 2023: 48 reached 100+ customers, 7 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Johnson County reported on EIA Form 861 for 2023, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Evergy Metro | 2023 | 7.8 hrs | 1.41 | 84 min | 0.92 |
| Evergy Kansas Central, Inc | 2023 | 3.3 hrs | 1.26 | 1.6 hrs | 0.99 |
| Evergy Missouri West | 2023 | 3.7 hrs | 1.57 | 2.0 hrs | 1.23 |
| West Central Electric Coop Inc - (MO) | 2023 | 2.4 hrs | 1.10 | 61 min | - |
| Osage Valley Elec Coop Assn | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Missouri's customers in 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 19,137 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Johnson County has data for 2015–2017, 2019–2025.
Cite this report
MassOutage (massoutage.com), Johnson County, MO annual power outage report, 2023, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2023/missouri/johnson-county