County annual report · FIPS 26131
2022 Ontonagon County, MI Power Outage Report
In 2022, customers in Ontonagon County, MI went without power for an average of 6.9 hours, a total of 29K customer-hours (Michigan average 10.5 hours). That ranks 53rd worst of 83 Michigan counties and 1061st of 2,976 nationally.
Compared with MI, the US and 2021
Coverage line is EAGLE-I's share of Michigan customers tracked each year.
Biggest outages in Ontonagon County, 2022
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 31, 2022 14:30 | June 1, 2022 16:15 | 1d 1h | 1,173 | 4,762 |
| 2 | October 17, 2022 04:45 | October 19, 2022 00:00 | 1d 19h | 1,074 | 7,386 |
| 3 | November 29, 2022 23:00 | November 30, 2022 07:45 | 8h 45m | 919 | 4,034 |
| 4 | August 3, 2022 09:30 | August 3, 2022 15:00 | 5h 30m | 666 | 1,443 |
| 5 | May 12, 2022 05:45 | May 12, 2022 11:00 | 5h 15m | 641 | 2,101 |
| 6 | May 14, 2022 17:45 | May 14, 2022 19:00 | 1h 15m | 640 | 800 |
| 7 | November 30, 2022 19:45 | November 30, 2022 22:00 | 2h 15m | 436 | 440 |
| 8 | June 21, 2022 09:45 | June 21, 2022 15:30 | 5h 45m | 364 | 1,292 |
| 9 | October 22, 2022 19:45 | October 22, 2022 23:00 | 3h 15m | 225 | 731 |
| 10 | December 26, 2022 07:15 | December 26, 2022 08:45 | 1h 30m | 182 | 228 |
Outage episodes by size in 2022: 16 reached 100+ customers, 2 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 Ontonagon County reported on EIA Form 861 for 2022, 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 |
|---|---|---|---|---|---|
| Northern States Power Co | 2022 | 6.7 hrs | 1.68 | 2.7 hrs | 1.16 |
| Upper Peninsula Power Company | 2022 | 9.4 hrs | 2.31 | 3.4 hrs | 1.48 |
| Upper Michigan Energy Resources Corp. | 2022 | 13.3 hrs | 2.34 | 4.8 hrs | 1.39 |
| Ontonagon County R E A | - | - | - | - | - |
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 2022; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 4,246 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. Ontonagon County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Ontonagon County, MI annual power outage report, 2022, 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/2022/michigan/ontonagon-county