County annual report · FIPS 26157
2019 Tuscola County, MI Power Outage Report
In 2019, customers in Tuscola County, MI went without power for an average of 15.0 hours, a total of 250K customer-hours (Michigan average 12.7 hours). That ranks 24th worst of 83 Michigan counties and 329th of 2,945 nationally.
Compared with MI, the US and 2018
Coverage line is EAGLE-I's share of Michigan customers tracked each year.
Biggest outages in Tuscola County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 20, 2019 00:00 | July 27, 2019 18:15 | 7d 18h | 3,175 | 162K |
| 2 | September 11, 2019 01:00 | September 15, 2019 00:00 | 3d 23h | 1,776 | 24K |
| 3 | February 24, 2019 15:30 | February 27, 2019 04:45 | 2d 13h | 1,507 | 18K |
| 4 | October 27, 2019 10:30 | October 28, 2019 01:15 | 14h 45m | 1,212 | 4,180 |
| 5 | June 1, 2019 12:00 | June 3, 2019 00:00 | 1d 12h | 995 | 5,071 |
| 6 | July 11, 2019 05:45 | July 13, 2019 02:00 | 1d 20h | 730 | 7,169 |
| 7 | March 14, 2019 22:45 | March 16, 2019 00:00 | 1d 1h | 487 | 1,648 |
| 8 | July 27, 2019 19:00 | July 28, 2019 19:15 | 1d | 408 | 751 |
| 9 | June 22, 2019 14:30 | June 22, 2019 15:30 | 1h | 391 | 391 |
| 10 | January 16, 2019 12:15 | January 16, 2019 23:15 | 11h | 343 | 1,200 |
Outage episodes by size in 2019: 30 reached 100+ customers, 4 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 Tuscola County reported on EIA Form 861 for 2019, 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 |
| Thumb Electric Coop of Mich | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 96% of Michigan's customers in 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 16,639 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. Tuscola County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Tuscola County, MI annual power outage report, 2019, 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/2019/michigan/tuscola-county