State · EIA Form 861 · OK
Oklahoma
According to the U.S. Energy Information Administration's EIA Form 861, SAIDI and SAIFI for Oklahoma utilities come from the federal annual survey. 23 utilities report reliability metrics; figures are customer-weighted state averages, not a guarantee for any single address.
Signature read: long chronic outage minutes relative to the 51-state Form 861 cohort (>365 min tercile cut).
EIA Form 861 · Continuity Brief
Oklahoma
EIA Form 861 Continuity Brief · August 2026 · IEEE 1366 SAIDI/SAIFI minutes, not a storm forecast.
Oklahoma sits in the upper-third SAIDI band at 1279.8 minutes across 23 reporting utilities (Public Service Co of Oklahoma highest at 2037.5), above the live national mean of 341.
Named SAIDI peers (in-state best + nearest-state averages)
State SAIDI neighbourhood (minutes / customer-year)
- Oklahoma 1279.8
- Michigan 1115.3
- Kentucky 867.6
- Tennessee 866.4
- Mississippi 801.3
- Arkansas 772.3
Lower is fewer interruption minutes. Neighbours are nearest other-state averages in this corpus.
Oklahoma vs all states by EIA Form 861 utility headcount
Where this state's reporting utility count sits among every state in the Form 861 file (coverage density, not reliability quality)
23 Top 33% more reporting utilities than 67% of 51 states
States, banded by electric utilities reporting on EIA Form 861
Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EIA Form 861 · 2026-08-30
Utilities Ranked by Reliability · Oklahoma long-outage cohort
All 23 electric utilities in Oklahoma with reliability data, sorted by 2023 SAIDI; statewide average sits in the upper-third Form 861 band.
Lowest-SAIDI utilities in Oklahoma
Fewest outage minutes · live table sort
Top 10 Oklahoma utilities by fewest outage minutes. Lower SAIDI is better - not a quality score beyond interruption duration.
Lowest-SAIDI utilities in Oklahoma
| # | Utility | Type | SAIDI 2023 | SAIFI 2023 | Customers |
|---|---|---|---|---|---|
| 1 | City of Ponca City - (OK) | Municipal | 85.8 | 0.94 | 15,891 |
| 2 | Cimarron Electric Coop | Cooperative | 106.8 | 1.10 | 18,996 |
| 3 | City of Edmond - (OK) | Municipal | 122.5 | 1.77 | 43,320 |
| 4 | Stillwater Utilities Authority | Municipal | 128.4 | 0.89 | 22,150 |
| 5 | Grand River Dam Authority | State | 135.4 | 0.34 | 76 |
| 6 | Cookson Hills Elec Coop, Inc | Cooperative | 183.3 | 0.93 | 18,844 |
| 7 | Rural Electric Coop, Inc - (OK) | Cooperative | 217.9 | 2.11 | 12,572 |
| 8 | Lake Region Electric Coop, Inc - (OK) | Cooperative | 248.2 | 1.36 | 26,196 |
| 9 | Tri-County Electric Coop, Inc (OK) | Cooperative | 288.8 | 1.57 | 26,282 |
| 10 | Indian Electric Coop, Inc | Cooperative | 320.7 | 0.42 | 20,334 |
| 11 | Oklahoma Electric Coop Inc | Cooperative | 327.3 | 2.50 | 63,105 |
| 12 | People's Electric Cooperative | Cooperative | 353.8 | 3.00 | 22,997 |
| 13 | East Central Oklahoma Elec Coop Inc | Cooperative | 364.4 | 2.06 | 36,997 |
| 14 | Southeastern Electric Coop Inc - (OK) | Cooperative | 387.8 | 6.12 | 16,981 |
| 15 | Cotton Electric Coop, Inc | Cooperative | 532.8 | 4.02 | 23,550 |
| 16 | Central Rural Electric Cooperative, Inc | Cooperative | 543.9 | 1.67 | 24,054 |
| 17 | City of Claremore | Municipal | 585.8 | 3.96 | 13,128 |
| 18 | Verdigris Valley Elec Coop Inc | Cooperative | 639.1 | 3.44 | 38,865 |
| 19 | CKenergy Electric Cooperative | Cooperative | 685.2 | 4.89 | 27,122 |
| 20 | Canadian Valley Elec Coop, Inc | Cooperative | 837.6 | 2.25 | 27,102 |
| 21 | Choctaw Electric Coop Inc | Cooperative | 1593.7 | 4.70 | 21,533 |
| 22 | Kiamichi Electric Coop, Inc | Cooperative | 1757.0 | 4.38 | 23,294 |
| 23 | Public Service Co of Oklahoma | IOU | 2037.5 | 1.98 | 575,929 |
Nationwide states with similar utility inventory or customer scale
Cross-state peer sets for Oklahoma (upper-third SAIDI band). Nearest-SAIDI neighbors stay in Read-with; these neighborhoods compare EIA Form 861 headcount and summed customer accounts.
Similar utility headcount
Nearest states by reporting utility count (23 here).
Similar customer scale
Nearest states by summed customer accounts (1.1M here), excluding the headcount peer set.
Read with this Oklahoma roster · long-outage band
- Lowest published SAIDI in Oklahoma: City of Ponca City - (OK) (85.8 min)
- Highest published SAIDI in Oklahoma: Public Service Co of Oklahoma (2037.5 min)
- Ownership mix here: Cooperative leads (17 of 23 utilities) · national type means
- Nearest avg SAIDI: Michigan (1115.3 min)
- Nearest avg SAIDI: Kentucky (867.6 min)
- Nearest avg SAIDI: Tennessee (866.4 min)
- Nearest avg SAIDI: Mississippi (801.3 min)
- Nearest avg SAIDI: Arkansas (772.3 min)
Source: U.S. Energy Information Administration (EIA) Form 861 Annual Electric Power Industry Report, reliability · 2020-2023 State averages are rebuilt from utility filings in this portal DB; corpus ranks use headcount and customer sums.