County annual report · FIPS 55051
2018 Iron County, WI Power Outage Report
In 2018, customers in Iron County, WI went without power for an average of 17.2 hours, a total of 37K customer-hours (Wisconsin average 1.7 hours). That ranks 2nd worst of 71 Wisconsin counties and 325th of 2,798 nationally.
Compared with WI, the US and 2017
Coverage line is EAGLE-I's share of Wisconsin customers tracked each year.
Biggest outages in Iron 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 | June 17, 2018 22:00 | June 19, 2018 05:45 | 1d 7h | 1,376 | 20K |
| 2 | May 1, 2018 17:30 | May 1, 2018 23:45 | 6h 15m | 583 | 584 |
| 3 | September 21, 2018 11:30 | September 22, 2018 15:15 | 1d 3h | 528 | 3,346 |
| 4 | September 11, 2018 22:30 | September 12, 2018 03:45 | 5h 15m | 505 | 830 |
| 5 | June 15, 2018 12:30 | June 16, 2018 05:00 | 16h 30m | 390 | 1,937 |
| 6 | August 27, 2018 23:15 | August 28, 2018 18:45 | 19h 30m | 390 | 910 |
| 7 | April 14, 2018 11:00 | April 14, 2018 16:45 | 5h 45m | 367 | 556 |
| 8 | September 5, 2018 04:00 | September 5, 2018 06:30 | 2h 30m | 343 | 413 |
| 9 | July 9, 2018 19:00 | July 9, 2018 20:30 | 1h 30m | 305 | 86 |
| 10 | July 1, 2018 11:00 | July 2, 2018 09:30 | 22h 30m | 219 | 736 |
Outage episodes by size in 2018: 23 reached 100+ customers, 1 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 Iron 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 |
|---|---|---|---|---|---|
| Wisconsin Electric Power Co | 2018 | 2.0 hrs | 0.73 | 70 min | 0.59 |
| Northern States Power Co | 2018 | 2.9 hrs | 0.94 | 1.8 hrs | 0.69 |
| Wisconsin Public Service Corp | 2018 | 2.0 hrs | 0.97 | 1.8 hrs | 0.94 |
| Price Electric Coop Inc | 2013 | 4.5 hrs | 4.50 | 4.5 hrs | 4.50 |
| Bayfield Electric Coop, Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 83% of Wisconsin's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 2,123 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. Iron County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Iron County, WI 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/wisconsin/iron-county