States › Oklahoma › East Central Oklahoma Elec Coop Inc
electric cooperative · EIA utility 5598
East Central Oklahoma Elec Coop Inc
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Annual figures: Form EIA-861 for 2024, final release. Monthly state figures run to July 2026.
In its Form EIA-861 filing for 2024, East Central Oklahoma Elec Coop Inc, an electric cooperative, reported 33,358 residential customers in Oklahoma, with a service territory that touches 9 counties.
Its average residential price that year was 11.99¢ per kilowatthour, about the same as the Oklahoma average of 12.24¢ and 27% below the US average of 16.48¢. The figure is residential revenue divided by residential sales, so it folds in fixed charges, riders and every rate schedule the utility bills under.
That works out to an average residential bill of $136.71 a month on average use of 1,140 kWh a month. Across Oklahoma the average bill was $132.05 on 1,079 kWh, so a bill gap reflects how much power households use as well as what each kilowatthour costs.
For reliability it reported a SAIDI of 286.0 minutes per customer with major event days included and 169.5 minutes with them excluded, calculated under IEEE 1366 standard. The median among Oklahoma utilities reporting was 285.9 minutes with major event days; this utility's figure is about the same as that median.
The average price is up 5.1% on 2019, against up 19.9% for Oklahoma as a whole, and up 10.3% on 2023. EIA's early release for 2025, which has not been fully edited, shows 13.59¢.
Compared with Oklahoma, the US and other electric cooperatives
| Measure, 2024 | This utility | Electric cooperatives, US median | Oklahoma | United States |
|---|---|---|---|---|
| Average residential price per kWh | 11.99¢ | 13.74¢ | 12.24¢ | 16.48¢ |
| Average monthly residential bill | $136.71 | $149.95 | $132.05 | $142.26 |
| Average monthly use, kWh | 1,140 | 1,126 | 1,079 | 863 |
| Residential price change, 1 year | +10.3% | — | +1.3% | +3.0% |
| Residential price change, 5 years | +5.1% | — | +19.9% | +26.7% |
| SAIDI, all events (minutes) | 286.0 | 263.0 | 285.9 median | 184.5 median |
| SAIDI, without major event days | 169.5 | 147.0 | 115.4 median | 99.8 median |
State and US prices, bills and use are EIA's own averages over every customer. The ownership column and the reliability columns are medians across utilities with at least 1,000 residential customers, computed on this site from the final 2024 file. Among the 25 filings by electric cooperatives in Oklahoma, the median price was 12.25¢. In Oklahoma this utility's price ranks 21 of 33, counting from the highest.
Average price by year
East Central Oklahoma Elec Coop IncOklahoma averageUS average
Year by year
| Year | ¢ per kWh | Oklahoma ¢ | Monthly bill | kWh a month | Residential customers | All sales |
|---|---|---|---|---|---|---|
| 2025 early release | 13.59¢ | 13.12¢ | $155.04 | 1,141 | 33,788 | 626.8 GWh |
| 2024 | 11.99¢ | 12.24¢ | $136.71 | 1,140 | 33,358 | 659.9 GWh |
| 2023 | 10.87¢ | 12.08¢ | $123.56 | 1,136 | 32,839 | 656.8 GWh |
| 2022 | 10.86¢ | 12.44¢ | $128.41 | 1,182 | 32,388 | 665.8 GWh |
| 2021 | 10.63¢ | 11.00¢ | $120.48 | 1,133 | 31,696 | 605.5 GWh |
| 2020 | 11.39¢ | 10.12¢ | $126.35 | 1,109 | 30,994 | 516.9 GWh |
| 2019 | 11.41¢ | 10.21¢ | $134.05 | 1,174 | 30,333 | 540 GWh |
| 2018 | 11.23¢ | 10.30¢ | $134.14 | 1,194 | 29,998 | 538.5 GWh |
| 2017 | 11.60¢ | 10.61¢ | $122.24 | 1,054 | 29,692 | 477.4 GWh |
| 2016 | 11.35¢ | 10.20¢ | $125.99 | 1,110 | 29,364 | 499.5 GWh |
| 2015 | 10.68¢ | 10.14¢ | $122.01 | 1,142 | 28,973 | 521.4 GWh |
| 2014 | 10.05¢ | 10.03¢ | $120.12 | 1,196 | 28,940 | 542 GWh |
| 2013 | 9.86¢ | 9.67¢ | $116.34 | 1,180 | 28,654 | 534.9 GWh |
Bundled residential service only in the price, bill and use columns. Bill = residential revenue ÷ customers ÷ 12; use = residential sales ÷ customers ÷ 12. EIA describes its early release as not fully edited; it is shown for this utility alone and enters no average, median or rank on this site.
Sales by sector, 2024
| Sector | Customers | Sales | Share of sales | Revenue | ¢ per kWh, bundled |
|---|---|---|---|---|---|
| Residential | 33,358 | 456.3 GWh | 69% | $54,724,000 | 11.99¢ |
| Commercial | 4,081 | 203.6 GWh | 31% | $19,663,000 | 9.66¢ |
Customers, sales and revenue count every service type the utility reported (bundled, energy-only and delivery-only). The price column uses bundled service alone, because part-bill revenue would understate it. Sources of energy: 685.5 GWh in total, of which 0% was its own net generation and 685.5 GWh was bought wholesale; summer peak demand 155 MW.
Reliability
Minutes of sustained interruption per customer in 2024, as the utility reported them under IEEE 1366 standard. SAIFI: 1.66 interruptions per customer with major event days, 1.38 without; CAIDI 172.4 minutes per interruption. EIA's Oklahoma total across all reporting utilities was 270.9 minutes with major event days and 119.6 without. Major event days are storms and similar events that a utility's chosen method sets apart; methods differ, so treat comparisons as approximate. What SAIDI and SAIFI mean.
| Year | SAIDI, all events | SAIDI, no major events | SAIFI, all events | SAIFI, no major events | Method |
|---|---|---|---|---|---|
| 2025 early release | 418.7 | 321.1 | 2.97 | 2.70 | IEEE 1366 |
| 2024 | 286.0 | 169.5 | 1.66 | 1.38 | IEEE 1366 |
| 2023 | 364.4 | 157.1 | 2.06 | 1.27 | IEEE 1366 |
| 2022 | 221.2 | 221.2 | 2.11 | 2.11 | IEEE 1366 |
| 2021 | 197.5 | 197.5 | 1.73 | 1.73 | IEEE 1366 |
| 2020 | 324.1 | 238.4 | 1.68 | 1.60 | IEEE 1366 |
| 2019 | 297.6 | 297.6 | 2.01 | 2.01 | IEEE 1366 |
| 2018 | 206.6 | 206.6 | 1.46 | 1.46 | IEEE 1366 |
| 2017 | 240.2 | 240.2 | 1.82 | 1.82 | Other |
| 2016 | 240.0 | 240.0 | 1.98 | 1.98 | Other |
| 2015 | 221.9 | 221.9 | 1.73 | 1.73 | IEEE 1366 |
| 2014 | 138.8 | 138.8 | 1.31 | 1.31 | IEEE 1366 |
| 2013 | — | 240.0 | — | 2.00 | IEEE 1366 |
Counties in its service territory
- Creek County
- Lincoln County
- McIntosh County
- Muskogee County
- Okfuskee County
- Okmulgee County
- Seminole County
- Tulsa County
- Wagoner County
Counties the utility listed on Form EIA-861 for 2024. Listing a county does not mean the utility serves all of it.
Other utilities in Oklahoma
| Utility | Ownership | Residential customers | ¢ per kWh | Monthly bill | SAIDI, all events | SAIDI, no major events |
|---|---|---|---|---|---|---|
| Verdigris Valley Elec Coop Inc | Cooperative | 35,102 | 11.93¢ | $166.63 | 606.6 | 361.9 |
| Northeast Oklahoma Electric Co | Cooperative | 37,871 | 12.85¢ | $144.07 | — | — |
| Lake Region Electric Coop, Inc | Cooperative | 24,788 | 12.02¢ | $140.93 | 340.3 | 115.6 |
| Canadian Valley Elec Coop, Inc | Cooperative | 24,605 | 11.90¢ | $152.36 | 590.7 | 181.9 |
| CKenergy Electric Cooperative | Cooperative | 22,555 | 12.82¢ | $128.52 | 919.2 | 325.2 |
| Choctaw Electric Coop Inc | Cooperative | 21,483 | 13.21¢ | $155.84 | 830.7 | — |
| Cotton Electric Coop, Inc | Cooperative | 19,696 | 11.86¢ | $154.93 | 355.6 | 224.7 |
| Central Rural Electric Cooperative, Inc | Cooperative | 19,650 | 11.56¢ | $173.97 | 198.7 | 108.5 |
All Oklahoma utilities · Electric cooperatives nationwide
Questions and answers
How much does electricity cost from East Central Oklahoma Elec Coop Inc?
Residential customers paid an average of 11.99¢ per kilowatthour in 2024. EIA derives this by dividing residential revenue by residential sales; it is an average across all rate schedules and charges, not a tariff rate.
How does that compare with Oklahoma?
The Oklahoma average residential price in 2024 was 12.24¢ and the US average 16.48¢; East Central Oklahoma Elec Coop Inc was about the same as the state figure. Among 33 utility filings with a bundled residential price in Oklahoma, it had the 21st highest.
What is the average East Central Oklahoma Elec Coop Inc bill?
$136.71 a month in 2024, on average residential use of 1,140 kWh a month (annual revenue and sales divided by customers and by twelve). The Oklahoma average was $132.05 on 1,079 kWh.
How reliable is East Central Oklahoma Elec Coop Inc service?
It reported 286.0 minutes of interruption per customer (SAIDI) including major event days and 169.5 minutes excluding them, with 1.66 interruptions per customer (SAIFI) in 2024. Utilities calculate these under differing methods, so comparisons are approximate.
Is the East Central Oklahoma Elec Coop Inc price rising?
The average residential price was up 10.3% in 2024 compared with 2023 and up 5.1% compared with 2019. EIA's early, not fully edited release for 2025 shows 13.59¢.
Which counties does East Central Oklahoma Elec Coop Inc serve?
Its Form EIA-861 service territory lists 9 counties, including Creek County, OK, Lincoln County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK and Okmulgee County, OK. A county can appear in several utilities' territories.
Provenance
Source: U.S. Energy Information Administration. Annual figures are from Form EIA-861 (sales to ultimate customers, reliability, operational data and service territory files), final release for 2024, respondent "East Central Oklahoma Elec Coop Inc", utility number 5598; the 2025 row is from EIA's early release. State and US averages are from the Form EIA-861M sales and revenue workbook, published through July 2026. All are US government works in the public domain. Page built 1 Oct 2026. Errors in processing are corrected at the next build; see corrections. For tariffs and rate schedules, consult the utility or the state utility commission.