County annual report · FIPS 17085
2017 Jo Daviess County, IL Power Outage Report
In 2017, customers in Jo Daviess County, IL went without power for an average of 8.4 hours, a total of 30K customer-hours (Illinois average 1.4 hours). That ranks 2nd worst of 102 Illinois counties and 636th 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 Jo Daviess 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 | June 29, 2017 00:00 | June 30, 2017 04:30 | 1d 4h | 1,887 | 12K |
| 2 | July 20, 2017 00:30 | July 23, 2017 08:00 | 3d 7h | 1,694 | 11K |
| 3 | October 24, 2017 11:30 | October 24, 2017 19:00 | 7h 30m | 1,117 | 572 |
| 4 | April 16, 2017 04:00 | April 16, 2017 15:30 | 11h 30m | 725 | 2,877 |
| 5 | October 9, 2017 05:00 | October 9, 2017 06:00 | 1h | 511 | 511 |
| 6 | March 8, 2017 17:00 | March 9, 2017 00:30 | 7h 30m | 426 | 766 |
| 7 | September 20, 2017 21:30 | September 21, 2017 02:30 | 5h | 363 | 601 |
| 8 | September 1, 2017 00:30 | September 1, 2017 02:30 | 2h | 117 | 182 |
| 9 | March 7, 2017 06:00 | March 7, 2017 22:00 | 16h | 84 | 640 |
| 10 | August 24, 2017 14:00 | August 24, 2017 16:00 | 2h | 78 | 117 |
Outage episodes by size in 2017: 8 reached 100+ customers, 3 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 Jo Daviess 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 |
|---|---|---|---|---|---|
| Commonwealth Edison Co | 2017 | 1.6 hrs | 0.82 | 55 min | 0.66 |
| Jo-Carroll Energy, Inc | 2017 | 2.2 hrs | 0.78 | 66 min | 0.47 |
| Scenic Rivers Energy Coop | - | - | - | - | - |
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 ÷ 3,617 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. Jo Daviess County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Jo Daviess 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/jo-daviess-county