County annual report · FIPS 16033
2020 Clark County, ID Power Outage Report
In 2020, customers in Clark County, ID went without power for an average of 9.7 hours, a total of 6,660 customer-hours (Idaho average 5.1 hours). That ranks 16th worst of 44 Idaho counties and 809th of 3,019 nationally.
Compared with ID, the US and 2019
Coverage line is EAGLE-I's share of Idaho customers tracked each year.
Biggest outages in Clark County, 2020
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | December 29, 2020 11:00 | December 29, 2020 13:00 | 2h | 560 | 1,120 |
| 2 | November 14, 2020 07:15 | November 14, 2020 09:30 | 2h 15m | 559 | 1,119 |
| 3 | December 22, 2020 16:45 | December 22, 2020 17:00 | 15m | 241 | 60 |
| 4 | May 5, 2020 02:45 | May 5, 2020 17:30 | 14h 45m | 96 | 1,393 |
| 5 | January 9, 2020 06:00 | January 9, 2020 10:15 | 4h 15m | 95 | 399 |
| 6 | December 17, 2020 16:45 | December 17, 2020 19:15 | 2h 30m | 92 | 230 |
| 7 | September 7, 2020 22:00 | September 8, 2020 11:00 | 13h | 84 | 890 |
| 8 | April 16, 2020 05:15 | April 16, 2020 08:30 | 3h 15m | 76 | 229 |
| 9 | April 20, 2020 10:15 | April 20, 2020 17:15 | 7h | 76 | 440 |
| 10 | August 31, 2020 16:45 | August 31, 2020 18:45 | 2h | 41 | 12 |
Outage episodes by size in 2020: 3 reached 100+ customers, 0 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 2020, 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 |
|---|---|---|---|---|---|
| PacifiCorp | 2020 | 6.8 hrs | 1.88 | 2.0 hrs | 1.22 |
| Fall River Rural Elec Coop Inc | 2020 | 70 min | 0.56 | 56 min | 0.47 |
| Vigilante 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 95% of Idaho's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 685 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 2017–2025.
Cite this report
MassOutage (massoutage.com), Clark County, ID annual power outage report, 2020, 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/2020/idaho/clark-county