County annual report · FIPS 39097
2021 Madison County, OH Power Outage Report
In 2021, customers in Madison County, OH went without power for an average of 2.7 hours, a total of 73K customer-hours (Ohio average 4.2 hours). That ranks 68th worst of 88 Ohio counties and 1958th of 2,974 nationally.
Compared with OH, the US and 2020
Coverage line is EAGLE-I's share of Ohio customers tracked each year.
Biggest outages in Madison County, 2021
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | March 10, 2021 16:30 | March 10, 2021 18:30 | 2h | 4,825 | 3,461 |
| 2 | April 29, 2021 14:45 | April 29, 2021 16:45 | 2h | 3,010 | 1,621 |
| 3 | March 18, 2021 20:15 | March 18, 2021 21:30 | 1h 15m | 2,846 | 3,558 |
| 4 | April 30, 2021 06:00 | April 30, 2021 09:45 | 3h 45m | 2,301 | 5,092 |
| 5 | April 15, 2021 16:15 | April 15, 2021 20:45 | 4h 30m | 1,446 | 3,215 |
| 6 | December 11, 2021 10:30 | December 11, 2021 14:30 | 4h | 1,446 | 5,197 |
| 7 | April 30, 2021 18:30 | April 30, 2021 23:30 | 5h | 1,442 | 3,465 |
| 8 | August 7, 2021 04:15 | August 8, 2021 12:00 | 1d 7h | 1,295 | 8,688 |
| 9 | October 3, 2021 16:00 | October 3, 2021 20:45 | 4h 45m | 1,202 | 1,911 |
| 10 | November 6, 2021 21:30 | November 7, 2021 00:00 | 2h 30m | 1,200 | 2,102 |
Outage episodes by size in 2021: 44 reached 100+ customers, 10 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 Madison County reported on EIA Form 861 for 2021, 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 |
|---|---|---|---|---|---|
| Ohio Power Co | 2021 | 3.9 hrs | 1.36 | 2.9 hrs | 1.26 |
| Ohio Edison Co | 2021 | 2.7 hrs | 1.40 | 1.9 hrs | 1.23 |
| Dayton Power & Light Co | 2021 | 3.0 hrs | 0.99 | 1.8 hrs | 0.81 |
| South Central Power Company | 2021 | 4.7 hrs | 2.07 | 4.1 hrs | 1.96 |
| Duke Energy Ohio Inc | 2021 | 2.4 hrs | 1.02 | 2.1 hrs | 0.95 |
| Pioneer Rural Elec Coop, Inc - (OH) | 2021 | 1.7 hrs | 1.01 | 1.7 hrs | 1.01 |
| Union Rural Electric Coop, Inc | 2021 | 2.9 hrs | 1.78 | 48 min | 0.93 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 93% of Ohio's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 26,880 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. Madison County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Madison County, OH annual power outage report, 2021, 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/2021/ohio/madison-county