County annual report · FIPS 26085
2025 Lake County, MI Power Outage Report
In 2025, customers in Lake County, MI went without power for an average of 23.3 hours, a total of 215K customer-hours (Michigan average 12.9 hours). That ranks 26th worst of 83 Michigan counties and 280th of 3,000 nationally.
Compared with MI, the US and 2024
Coverage line is EAGLE-I's share of Michigan customers tracked each year.
Biggest outages in Lake County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | March 15, 2025 09:45 | March 17, 2025 07:45 | 1d 22h | 6,361 | 58K |
| 2 | December 28, 2025 00:45 | December 31, 2025 20:15 | 3d 19h | 1,993 | 42K |
| 3 | April 27, 2025 01:45 | April 27, 2025 07:45 | 6h | 1,953 | 9,273 |
| 4 | June 23, 2025 10:30 | June 23, 2025 13:15 | 2h 45m | 1,708 | 2,294 |
| 5 | April 2, 2025 13:30 | April 3, 2025 23:15 | 1d 9h | 1,664 | 13K |
| 6 | February 6, 2025 21:45 | February 7, 2025 21:15 | 23h 30m | 1,437 | 8,368 |
| 7 | November 29, 2025 20:00 | December 1, 2025 03:15 | 1d 7h | 1,214 | 2,889 |
| 8 | April 29, 2025 09:00 | April 29, 2025 11:00 | 2h | 1,206 | 1,809 |
| 9 | November 26, 2025 17:15 | November 27, 2025 22:30 | 1d 5h | 1,098 | 9,738 |
| 10 | December 26, 2025 12:45 | December 27, 2025 17:30 | 1d 4h | 959 | 5,309 |
Outage episodes by size in 2025: 53 reached 100+ customers, 9 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 Lake County reported on EIA Form 861 for 2025, 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) | 2024 | 8.4 hrs | 1.32 | 2.6 hrs | 0.88 |
| Great Lakes Energy Coop | 2024 | 8.1 hrs | 2.83 | 4.3 hrs | 2.35 |
| Wolverine Power Supply Coop | - | - | - | - | - |
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 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 9,226 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. Lake County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Lake County, MI annual power outage report, 2025, 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/2025/michigan/lake-county