County annual report · FIPS 19183
2015 Washington County, IA Power Outage Report
In 2015, customers in Washington County, IA went without power for an average of 3.3 hours, a total of 32K customer-hours (Iowa average 1.1 hours). That ranks 11th worst of 99 Iowa counties and 849th of 2,484 nationally.
Compared with IA, the US
Coverage line is EAGLE-I's share of Iowa customers tracked each year.
Biggest outages in Washington 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 | March 27, 2015 05:00 | March 27, 2015 07:00 | 2h | 2,460 | 3,580 |
| 2 | November 12, 2015 16:30 | November 12, 2015 19:15 | 2h 45m | 1,742 | 880 |
| 3 | November 21, 2015 11:00 | November 21, 2015 21:45 | 10h 45m | 1,407 | 5,350 |
| 4 | October 20, 2015 20:00 | October 21, 2015 03:00 | 7h | 1,371 | 2,515 |
| 5 | May 16, 2015 19:30 | May 17, 2015 00:15 | 4h 45m | 1,361 | 5,082 |
| 6 | June 9, 2015 17:30 | June 9, 2015 17:45 | 15m | 1,129 | 282 |
| 7 | January 25, 2015 16:00 | January 25, 2015 19:15 | 3h 15m | 1,024 | 2,160 |
| 8 | February 1, 2015 16:30 | February 2, 2015 06:15 | 13h 45m | 842 | 3,049 |
| 9 | October 10, 2015 21:00 | October 10, 2015 23:00 | 2h | 692 | 1,207 |
| 10 | June 14, 2015 14:00 | June 14, 2015 14:30 | 30m | 423 | 113 |
Outage episodes by size in 2015: 26 reached 100+ customers, 7 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 Washington 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 |
|---|---|---|---|---|---|
| MidAmerican Energy Co | 2015 | 2.2 hrs | 1.05 | 87 min | 0.88 |
| Eastern Iowa Light & Power Coop | 2015 | 2.2 hrs | 1.50 | 1.7 hrs | 1.25 |
| T I P Rural Electric Coop | 2015 | 2.1 hrs | 1.93 | 2.1 hrs | 1.93 |
| Farmers Electric Coop - (IA) | 2015 | 11 min | 0.14 | 11 min | 0.14 |
| Interstate Power and Light Co | - | - | - | - | - |
| Alliant Energy (Interstate Power & Light) | - | - | - | - | - |
| Access Energy Coop | - | - | - | - | - |
| Waverly Municipal Elec Utility | - | - | - | - | - |
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 Iowa's customers in 2015; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 9,700 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. Washington County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Washington County, IA 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/iowa/washington-county