County annual report · FIPS 40043
2017 Dewey County, OK Power Outage Report
In 2017, customers in Dewey County, OK went without power for an average of 18.5 hours, a total of 49K customer-hours (Oklahoma average 3.2 hours). That ranks 5th worst of 77 Oklahoma counties and 302nd of 2,786 nationally.
Compared with OK, the US and 2016
Coverage line is EAGLE-I's share of Oklahoma customers tracked each year.
Biggest outages in Dewey County, 2017
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | January 14, 2017 21:00 | January 17, 2017 21:30 | 3d | 1,764 | 36K |
| 2 | November 15, 2017 22:00 | November 15, 2017 23:00 | 1h | 713 | 713 |
| 3 | May 17, 2017 09:15 | May 17, 2017 12:30 | 3h 15m | 664 | 1,077 |
| 4 | June 16, 2017 00:15 | June 16, 2017 02:45 | 2h 30m | 599 | 939 |
| 5 | May 17, 2017 00:45 | May 17, 2017 08:00 | 7h 15m | 319 | 1,609 |
| 6 | July 3, 2017 23:45 | July 4, 2017 15:00 | 15h 15m | 269 | 2,885 |
| 7 | August 20, 2017 01:45 | August 20, 2017 03:30 | 1h 45m | 213 | 373 |
| 8 | September 4, 2017 05:45 | September 4, 2017 07:30 | 1h 45m | 213 | 373 |
| 9 | September 2, 2017 12:45 | September 2, 2017 16:30 | 3h 45m | 167 | 626 |
| 10 | July 5, 2017 06:15 | July 5, 2017 06:30 | 15m | 143 | 36 |
Outage episodes by size in 2017: 14 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 Dewey County reported on EIA Form 861 for 2017, 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 |
|---|---|---|---|---|---|
| Public Service Co of Oklahoma | 2017 | 3.0 hrs | 1.33 | 1.7 hrs | 1.08 |
| Cimarron Electric Coop | 2017 | 4.3 hrs | 1.66 | 58 min | 0.87 |
| Northfork Electric Coop, Inc | 2017 | 15.7 hrs | - | 7.0 hrs | - |
| Oklahoma Gas & Electric Co | - | - | - | - | - |
| CKenergy Electric Cooperative | - | - | - | - | - |
| Northwestern Electric Coop Inc - (OK) | - | - | - | - | - |
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 Oklahoma's customers in 2017; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 2,623 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. Dewey County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Dewey County, OK annual power outage report, 2017, 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/2017/oklahoma/dewey-county