County annual report · FIPS 17109
2018 McDonough County, IL Power Outage Report
In 2018, customers in McDonough County, IL went without power for an average of 1.0 hours, a total of 13K customer-hours (Illinois average 2.5 hours). That ranks 87th worst of 102 Illinois counties and 2306th of 2,798 nationally.
Compared with IL, the US and 2017
Coverage line is EAGLE-I's share of Illinois customers tracked each year.
Biggest outages in McDonough County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | August 8, 2018 13:30 | August 8, 2018 17:00 | 3h 30m | 835 | 862 |
| 2 | June 28, 2018 20:15 | June 29, 2018 09:45 | 13h 30m | 826 | 4,391 |
| 3 | November 25, 2018 21:45 | November 27, 2018 20:15 | 1d 22h | 498 | 4,336 |
| 4 | May 3, 2018 06:45 | May 3, 2018 08:15 | 1h 30m | 404 | 412 |
| 5 | September 28, 2018 00:00 | September 28, 2018 03:15 | 3h 15m | 182 | 292 |
| 6 | July 20, 2018 02:00 | July 20, 2018 04:45 | 2h 45m | 163 | 224 |
| 7 | October 7, 2018 05:00 | October 7, 2018 07:15 | 2h 15m | 127 | 286 |
| 8 | February 19, 2018 17:00 | February 19, 2018 20:30 | 3h 30m | 97 | 83 |
| 9 | March 5, 2018 12:45 | March 5, 2018 16:00 | 3h 15m | 97 | 291 |
| 10 | December 13, 2018 15:45 | December 13, 2018 16:30 | 45m | 93 | 70 |
Outage episodes by size in 2018: 7 reached 100+ customers, 0 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 McDonough County reported on EIA Form 861 for 2018, 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 | 2018 | 3.5 hrs | 1.06 | 1.8 hrs | 0.90 |
| Adams Electric Coop | 2018 | 2.2 hrs | 1.12 | 2.2 hrs | 1.12 |
| Ameren | - | - | - | - | - |
| McDonough Power Coop | - | - | - | - | - |
| Spoon River Electric Coop, Inc | - | - | - | - | - |
| Western Illinois Elec Coop | - | - | - | - | - |
| City of Bushnell - (IL) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 92% of Illinois's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 12,745 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. McDonough County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), McDonough County, IL annual power outage report, 2018, 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/2018/illinois/mcdonough-county