County annual report · FIPS 26065
2018 Ingham County, MI Power Outage Report
In 2018, customers in Ingham County, MI went without power for an average of 1.2 hours, a total of 218K customer-hours (Michigan average 10.0 hours). That ranks 75th worst of 80 Michigan counties and 2244th of 2,798 nationally.
Compared with MI, the US and 2017
Coverage line is EAGLE-I's share of Michigan customers tracked each year.
Biggest outages in Ingham 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 | April 14, 2018 19:00 | April 17, 2018 01:15 | 2d 6h | 4,422 | 66K |
| 2 | October 20, 2018 15:15 | October 23, 2018 00:00 | 2d 8h | 3,115 | 31K |
| 3 | January 27, 2018 06:15 | January 27, 2018 19:15 | 13h | 2,691 | 15K |
| 4 | May 4, 2018 11:45 | May 9, 2018 02:30 | 4d 14h | 2,272 | 22K |
| 5 | September 5, 2018 02:00 | September 6, 2018 16:15 | 1d 14h | 1,339 | 5,033 |
| 6 | October 31, 2018 00:00 | October 31, 2018 16:45 | 16h 45m | 1,336 | 1,964 |
| 7 | October 5, 2018 14:00 | October 5, 2018 15:30 | 1h 30m | 1,333 | 337 |
| 8 | August 3, 2018 05:00 | August 3, 2018 09:15 | 4h 15m | 1,154 | 872 |
| 9 | February 25, 2018 10:15 | February 26, 2018 20:30 | 1d 10h | 1,144 | 9,920 |
| 10 | August 18, 2018 17:00 | August 19, 2018 03:45 | 10h 45m | 1,044 | 4,924 |
Outage episodes by size in 2018: 55 reached 100+ customers, 10 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 Ingham 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 |
|---|---|---|---|---|---|
| Consumers Energy Co - (MI) | 2018 | 6.8 hrs | 1.29 | 3.3 hrs | 1.02 |
| DTE Electric Company | 2018 | 8.1 hrs | 1.36 | 3.0 hrs | 1.04 |
| Tri-County Electric Coop (MI) | 2018 | 5.0 hrs | 1.98 | 4.2 hrs | 1.89 |
| Wolverine Power Supply Coop | - | - | - | - | - |
| City of Lansing - (MI) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 91% of Michigan's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 187,698 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. Ingham County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Ingham County, MI 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/michigan/ingham-county