County annual report · FIPS 17119
2024 Madison County, IL Power Outage Report
In 2024, customers in Madison County, IL went without power for an average of 3.0 hours, a total of 329K customer-hours (Illinois average 3.0 hours). That ranks 59th worst of 102 Illinois counties and 2091st of 2,990 nationally.
Compared with IL, the US and 2023
Coverage line is EAGLE-I's share of Illinois customers tracked each year.
Biggest outages in Madison County, 2024
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 14, 2024 12:45 | March 16, 2024 04:15 | 1d 15h | 9,744 | 38K |
| 2 | May 28, 2024 13:00 | May 29, 2024 04:30 | 15h 30m | 9,463 | 21K |
| 3 | March 27, 2024 06:45 | March 27, 2024 22:15 | 15h 30m | 8,456 | 9,952 |
| 4 | November 12, 2024 13:45 | November 13, 2024 00:15 | 10h 30m | 8,149 | 12K |
| 5 | April 18, 2024 22:45 | April 20, 2024 16:30 | 1d 17h | 5,855 | 39K |
| 6 | May 12, 2024 17:00 | May 12, 2024 19:30 | 2h 30m | 4,878 | 6,931 |
| 7 | May 24, 2024 12:30 | May 26, 2024 00:15 | 1d 11h | 4,542 | 18K |
| 8 | February 2, 2024 06:45 | February 2, 2024 17:45 | 11h | 4,449 | 11K |
| 9 | May 3, 2024 22:45 | May 6, 2024 12:15 | 2d 13h | 3,190 | 7,995 |
| 10 | November 4, 2024 18:00 | November 8, 2024 02:30 | 3d 8h | 2,867 | 8,677 |
Outage episodes by size in 2024: 97 reached 100+ customers, 23 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 2024, 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 |
|---|---|---|---|---|---|
| Ameren Illinois Company | 2024 | 3.7 hrs | 1.13 | 2.0 hrs | 0.91 |
| Southwestern Electric Coop Inc - (IL) | 2024 | 5.1 hrs | 2.21 | 4.4 hrs | 1.78 |
| Ameren | - | - | - | - | - |
| M J M Electric Cooperative Inc | - | - | - | - | - |
| Clinton County Elec Coop, Inc | - | - | - | - | - |
| City of Highland | - | - | - | - | - |
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 Illinois's customers in 2024; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 107,855 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, IL annual power outage report, 2024, 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/2024/illinois/madison-county