County annual report · FIPS 55019
2019 Clark County, WI Power Outage Report
In 2019, customers in Clark County, WI went without power for an average of 3.3 hours, a total of 52K customer-hours (Wisconsin average 4.4 hours). That ranks 31st worst of 71 Wisconsin counties and 1543rd of 2,945 nationally.
Compared with WI, the US and 2018
Coverage line is EAGLE-I's share of Wisconsin customers tracked each year.
Biggest outages in Clark 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 01:00 | July 22, 2019 16:45 | 2d 15h | 2,458 | 35K |
| 2 | July 23, 2019 22:00 | July 24, 2019 04:15 | 6h 15m | 1,764 | 1,149 |
| 3 | August 5, 2019 22:45 | August 6, 2019 01:30 | 2h 45m | 1,138 | 584 |
| 4 | March 2, 2019 14:00 | March 3, 2019 02:45 | 12h 45m | 1,136 | 2,529 |
| 5 | September 25, 2019 01:45 | September 25, 2019 14:30 | 12h 45m | 904 | 507 |
| 6 | September 3, 2019 05:30 | September 3, 2019 12:00 | 6h 30m | 724 | 1,243 |
| 7 | July 15, 2019 00:30 | July 15, 2019 02:45 | 2h 15m | 677 | 869 |
| 8 | December 30, 2019 10:15 | December 31, 2019 00:15 | 14h | 620 | 1,626 |
| 9 | May 14, 2019 20:15 | May 14, 2019 21:30 | 1h 15m | 387 | 328 |
| 10 | May 15, 2019 13:00 | May 15, 2019 16:30 | 3h 30m | 355 | 217 |
Outage episodes by size in 2019: 19 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 Clark 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 |
|---|---|---|---|---|---|
| Northern States Power Co | 2018 | 2.9 hrs | 0.94 | 1.8 hrs | 0.69 |
| Taylor Electric Coop - (WI) | 2018 | 80 min | - | 46 min | - |
| City of Marshfield - (WI) | 2018 | 11 min | 0.28 | 8 min | 0.24 |
| Eau Claire Electric Coop | - | - | - | - | - |
| Clark Electric Coop - (WI) | - | - | - | - | - |
| Jackson Electric Coop, Inc - (WI) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 84% of Wisconsin's customers in 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 15,996 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. Clark County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Clark County, WI 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/wisconsin/clark-county