County annual report · FIPS 40135
2020 Sequoyah County, OK Power Outage Report
In 2020, customers in Sequoyah County, OK went without power for an average of 8.0 hours, a total of 269K customer-hours (Oklahoma average 27.7 hours). That ranks 30th worst of 77 Oklahoma counties and 954th of 3,019 nationally.
Compared with OK, the US and 2019
Coverage line is EAGLE-I's share of Oklahoma customers tracked each year.
Biggest outages in Sequoyah 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 | February 12, 2020 18:00 | February 13, 2020 03:45 | 9h 45m | 8,520 | 9,524 |
| 2 | July 12, 2020 03:00 | July 17, 2020 01:00 | 4d 22h | 4,597 | 223K |
| 3 | September 16, 2020 12:45 | September 16, 2020 18:45 | 6h | 1,906 | 8,604 |
| 4 | December 2, 2020 23:30 | December 3, 2020 05:30 | 6h | 1,685 | 2,147 |
| 5 | May 15, 2020 15:00 | May 16, 2020 07:00 | 16h | 1,278 | 3,658 |
| 6 | September 10, 2020 16:30 | September 10, 2020 18:15 | 1h 45m | 1,276 | 373 |
| 7 | November 29, 2020 14:30 | November 29, 2020 15:45 | 1h 15m | 1,169 | 1,461 |
| 8 | August 12, 2020 05:30 | August 12, 2020 07:45 | 2h 15m | 793 | 1,782 |
| 9 | September 28, 2020 05:30 | September 28, 2020 07:45 | 2h 15m | 789 | 1,387 |
| 10 | April 22, 2020 17:45 | April 23, 2020 05:00 | 11h 15m | 746 | 876 |
Outage episodes by size in 2020: 27 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 Sequoyah 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 |
|---|---|---|---|---|---|
| Arkansas Valley Elec Coop Corp | 2020 | 8.0 hrs | 3.29 | 5.3 hrs | 2.79 |
| Ozarks Electric Coop Corp - (AR) | 2020 | 2.0 hrs | 1.16 | 54 min | 0.64 |
| Cookson Hills Elec Coop, Inc | 2020 | 10.9 hrs | 1.22 | 2.4 hrs | 0.97 |
| Oklahoma Gas & Electric Co | - | - | - | - | - |
| City of Sallisaw - (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 93% of Oklahoma's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 33,532 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. Sequoyah County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Sequoyah County, OK 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/oklahoma/sequoyah-county