County annual report · FIPS 26059
2015 Hillsdale County, MI Power Outage Report
In 2015, customers in Hillsdale County, MI went without power for an average of 6.2 hours, a total of 192K customer-hours (Michigan average 6.8 hours). That ranks 40th worst of 80 Michigan counties and 441st of 2,484 nationally.
Compared with MI, the US
Coverage line is EAGLE-I's share of Michigan customers tracked each year.
Biggest outages in Hillsdale County, 2015
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | December 28, 2015 15:30 | December 31, 2015 00:15 | 2d 8h | 3,757 | 105K |
| 2 | November 18, 2015 15:45 | November 19, 2015 19:45 | 1d 4h | 1,734 | 2,455 |
| 3 | July 17, 2015 17:45 | July 18, 2015 11:00 | 17h 15m | 1,516 | 14K |
| 4 | June 25, 2015 13:45 | June 25, 2015 18:30 | 4h 45m | 1,405 | 4,214 |
| 5 | November 10, 2015 21:30 | November 11, 2015 14:30 | 17h | 1,154 | 18K |
| 6 | November 12, 2015 04:15 | November 13, 2015 10:45 | 1d 6h | 896 | 3,893 |
| 7 | July 9, 2015 08:45 | July 9, 2015 11:45 | 3h | 869 | 1,539 |
| 8 | October 9, 2015 12:15 | October 9, 2015 16:45 | 4h 30m | 698 | 351 |
| 9 | April 5, 2015 18:45 | April 5, 2015 21:30 | 2h 45m | 633 | 1,588 |
| 10 | August 1, 2015 03:15 | August 1, 2015 10:45 | 7h 30m | 510 | 835 |
Outage episodes by size in 2015: 39 reached 100+ customers, 5 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 Hillsdale County reported on EIA Form 861 for 2015, 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) | 2015 | 7.3 hrs | 1.18 | 3.0 hrs | 0.98 |
| Hillsdale Board of Public Wks | - | - | - | - | - |
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 Michigan's customers in 2015; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 30,914 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. Hillsdale County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Hillsdale County, MI annual power outage report, 2015, 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/2015/michigan/hillsdale-county