County annual report · FIPS 17167
2020 Sangamon County, IL Power Outage Report
In 2020, customers in Sangamon County, IL went without power for an average of 1.0 hours, a total of 135K customer-hours (Illinois average 5.9 hours). That ranks 94th worst of 102 Illinois counties and 2672nd of 3,019 nationally.
Compared with IL, the US and 2019
Coverage line is EAGLE-I's share of Illinois customers tracked each year.
Biggest outages in Sangamon County, 2020
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | April 8, 2020 17:00 | April 9, 2020 12:00 | 19h | 3,181 | 4,977 |
| 2 | September 24, 2020 18:30 | September 25, 2020 00:15 | 5h 45m | 3,106 | 6,399 |
| 3 | October 7, 2020 08:45 | October 7, 2020 10:30 | 1h 45m | 2,821 | 1,749 |
| 4 | January 17, 2020 23:30 | January 18, 2020 14:00 | 14h 30m | 2,764 | 4,617 |
| 5 | May 3, 2020 12:45 | May 3, 2020 22:30 | 9h 45m | 1,923 | 3,309 |
| 6 | July 21, 2020 20:45 | July 23, 2020 17:45 | 1d 21h | 1,919 | 14K |
| 7 | October 17, 2020 17:45 | October 18, 2020 00:30 | 6h 45m | 1,867 | 3,354 |
| 8 | June 9, 2020 14:45 | June 10, 2020 01:45 | 11h | 1,788 | 5,480 |
| 9 | June 23, 2020 18:45 | June 23, 2020 19:00 | 15m | 1,759 | 440 |
| 10 | April 24, 2020 22:15 | April 24, 2020 23:45 | 1h 30m | 1,725 | 978 |
Outage episodes by size in 2020: 114 reached 100+ customers, 27 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 Sangamon County reported on EIA Form 861 for 2020, 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 | 2020 | 3.7 hrs | 1.04 | 1.7 hrs | 0.82 |
| Menard Electric Coop | 2020 | 2.5 hrs | 1.72 | 2.1 hrs | 1.61 |
| Rural Electric Conven Coop | 2018 | 4.0 hrs | 1.91 | 2.0 hrs | 1.84 |
| Ameren | - | - | - | - | - |
| Shelby Electric Coop, Inc | - | - | - | - | - |
| City of Springfield - (IL) | - | - | - | - | - |
| Village of Chatham - (IL) | - | - | - | - | - |
| Village of Riverton - (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 94% of Illinois's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 138,475 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. Sangamon County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Sangamon County, IL annual power outage report, 2020, 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/2020/illinois/sangamon-county