County annual report · FIPS 18081
2025 Johnson County, IN Power Outage Report
In 2025, customers in Johnson County, IN went without power for an average of 1.5 hours, a total of 85K customer-hours (Indiana average 6.4 hours). That ranks 72nd worst of 92 Indiana counties and 2617th of 3,000 nationally.
Compared with IN, the US and 2024
Coverage line is EAGLE-I's share of Indiana customers tracked each year.
Biggest outages in Johnson County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | June 18, 2025 12:15 | June 21, 2025 19:45 | 3d 7h | 3,032 | 43K |
| 2 | May 1, 2025 14:15 | May 1, 2025 20:15 | 6h | 2,581 | 2,098 |
| 3 | April 28, 2025 01:00 | April 28, 2025 04:45 | 3h 45m | 2,462 | 5,187 |
| 4 | May 15, 2025 14:30 | May 15, 2025 15:30 | 1h | 1,687 | 844 |
| 5 | March 30, 2025 23:15 | March 31, 2025 02:15 | 3h | 1,268 | 2,855 |
| 6 | July 16, 2025 18:15 | July 16, 2025 23:30 | 5h 15m | 1,237 | 1,816 |
| 7 | June 30, 2025 03:15 | July 1, 2025 05:30 | 1d 2h | 1,003 | 626 |
| 8 | December 29, 2025 03:15 | December 29, 2025 14:45 | 11h 30m | 725 | 1,083 |
| 9 | July 31, 2025 11:00 | July 31, 2025 21:45 | 10h 45m | 708 | 1,810 |
| 10 | March 20, 2025 00:45 | March 20, 2025 07:45 | 7h | 686 | 1,240 |
Outage episodes by size in 2025: 38 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 2025, 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 |
|---|---|---|---|---|---|
| Duke Energy Indiana, LLC | 2024 | 4.9 hrs | 1.18 | 1.9 hrs | 0.94 |
| AES Indiana | 2024 | 4.1 hrs | 1.25 | 87 min | 1.06 |
| South Central Indiana REMC | 2024 | 12.4 hrs | 3.41 | 5.1 hrs | 2.81 |
| Johnson County Rural E M C | 2024 | 2.1 hrs | 1.66 | 28 min | 0.36 |
| Duke Energy | - | - | - | - | - |
| RushShelby Energy | - | - | - | - | - |
| Edinburgh Municipal Utilities | - | - | - | - | - |
| Town of Bargersville - (IN) | - | - | - | - | - |
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 Indiana's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 57,420 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 2015–2025.
Cite this report
MassOutage (massoutage.com), Johnson County, IN annual power outage report, 2025, 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/2025/indiana/johnson-county