County annual report · FIPS 17123
2017 Marshall County, IL Power Outage Report
In 2017, customers in Marshall County, IL went without power for an average of 1.6 hours, a total of 13K customer-hours (Illinois average 1.4 hours). That ranks 31st worst of 102 Illinois counties and 1778th of 2,786 nationally.
Compared with IL, the US and 2016
Coverage line is EAGLE-I's share of Illinois customers tracked each year.
Biggest outages in Marshall County, 2017
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | February 7, 2017 11:00 | February 7, 2017 16:15 | 5h 15m | 3,554 | 1,869 |
| 2 | March 1, 2017 00:00 | March 2, 2017 12:00 | 1d 12h | 1,501 | 4,290 |
| 3 | March 7, 2017 06:30 | March 7, 2017 23:30 | 17h | 289 | 1,192 |
| 4 | April 16, 2017 07:00 | April 16, 2017 13:30 | 6h 30m | 282 | 519 |
| 5 | April 19, 2017 11:45 | April 19, 2017 13:45 | 2h | 264 | 209 |
| 6 | December 7, 2017 16:30 | December 7, 2017 18:30 | 2h | 228 | 116 |
| 7 | April 5, 2017 21:30 | April 5, 2017 23:00 | 1h 30m | 191 | 191 |
| 8 | November 17, 2017 15:45 | November 17, 2017 16:45 | 1h | 183 | 183 |
| 9 | October 29, 2017 10:00 | October 29, 2017 14:15 | 4h 15m | 176 | 525 |
| 10 | April 27, 2017 09:00 | April 27, 2017 10:00 | 1h | 100 | 100 |
Outage episodes by size in 2017: 10 reached 100+ customers, 2 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 Marshall County reported on EIA Form 861 for 2017, 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 | 2017 | 3.2 hrs | 1.12 | 2.0 hrs | 0.90 |
| Commonwealth Edison Co | 2017 | 1.6 hrs | 0.82 | 55 min | 0.66 |
| Corn Belt Energy Corporation | 2017 | 3.8 hrs | 4.15 | 3.8 hrs | 4.15 |
| Ameren | - | - | - | - | - |
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 2017; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 7,906 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. Marshall County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Marshall County, IL annual power outage report, 2017, 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/2017/illinois/marshall-county