Oahe Electric Coop Inc: average electricity price and bill
Annual EIA record for 2025. The reported average price is not a current tariff. Why a reported bill differs from a rate schedule.
- Annual file
- Form EIA-861, 2025 final
- Monthly data
- to August 2026
The average residential price of Oahe Electric Coop Inc was 10.54 cents per kilowatt-hour (kWh) in 2025. Form EIA-861, final
The average monthly bill of a residential customer was $169.88 in 2025, for 1,612 kWh each month. The South Dakota average price was 13.32 cents per kWh in 2025. The US average price was 17.23 cents per kWh in 2025.
By residential customers, Oahe Electric Coop Inc was 15th of 16 South Dakota utilities with 1,000 or more in 2025. It was 547th of 551 electric cooperatives in the US by that count.
Of its price, bill and use, the use differs most from the South Dakota median. It was 1,612 kWh each month. The median of 21 South Dakota utilities with a price was 1,080 kWh each month.
In August 2026, the South Dakota average was 15.15 cents per kWh. EIA marks this month as preliminary. EIA has monthly figures for a sample of utilities, and Oahe Electric Coop Inc is not in the sample.
Average price of electricity to ultimate consumers represents the cost per unit of electricity sold and is calculated by dividing electric revenue from ultimate consumers by the corresponding sales of electricity.
The average price of electricity to ultimate consumers reported in this publication by sector represents a weighted average of consumer revenue and sales, and does not equal the per kWh rate charged by the electric power industry participant to the individual consumers.
EIA's words. Source: U.S. Energy Information Administration, Electric Power Monthly, Technical notes, section "Form EIA-861" (March 2024). "This publication" is the Electric Power Monthly.
In plain words: the average price is revenue divided by sales. It is not the rate on a rate schedule. The annual figures on this page are for 2025. Monthly data through .
Since the last EIA release: no tracked figure of Oahe Electric Coop Inc changed. EIA releases and changes
Price and bill beside South Dakota, the ownership type and the US
Form EIA-861, 2025
| Figure | This utility | Electric cooperatives, US median | South Dakota | United States |
|---|---|---|---|---|
| Average residential price (cents per kWh) | 10.54 | 14.25 | 13.32 | 17.23 |
| Average monthly bill (dollars per month) | $169.88 | $160.90 | $131.10 | $150.68 |
| Average monthly use (kWh per month) | 1,612 | 1,151 | 984 | 874 |
| Change of the price in 1 year (percent) | n/a | n/a | +3.6% | +4.6% |
| Change of the price in 5 years (percent) | n/a | n/a | +13.4% | +31.0% |
State and US figures are EIA's own averages for all customers. The ownership column is a median of utilities with 1,000 or more residential customers, from the final 2025 file.
The average monthly bill is residential revenue divided by customers and by 12 months. The use is residential sales divided by customers and by 12 months. These figures are for bundled service only.
10.54 cents per kWh, Oahe Electric Coop Inc, 2025
Sales by sector
Form EIA-861, 2025
| Sector | Customers | Sales | Share of sales percent | Revenue dollars | Average price, bundled cents per kWh |
|---|---|---|---|---|---|
| Residential | 2,335 | 45.2 GWh | 14 | 4,760,000 | 10.54 |
| Commercial | 723 | 278.5 GWh | 84 | 18,471,000 | 6.63 |
| Industrial | 224 | 9.7 GWh | 3 | 1,279,000 | 13.16 |
Customers, sales and revenue include each service type that the utility reported. The price column uses bundled service only. Sources of energy: 349.7 GWh in total. The utility generated 0% and bought 349.7 GWh. Summer peak demand: 61 MW.
Price history
Form EIA-861, 2013 to 2025
Oahe Electric Coop IncSouth Dakota averageUS average
Table of the figures by year, 2013 to 2025
| Year | Average price cents per kWh | South Dakota average cents per kWh | Average bill dollars per month | Average use kWh per month | Residential customers | Sales, all sectors |
|---|---|---|---|---|---|---|
| 2025 | 10.54 | 13.32 | $169.88 | 1,612 | 2,335 | 333.4 GWh |
| 2019 | 9.74 | 11.55 | $170.69 | 1,752 | 2,211 | 116.3 GWh |
| 2018 | 9.97 | 11.59 | $157.85 | 1,583 | 2,346 | 90.2 GWh |
| 2017 | 10.09 | 11.77 | $144.46 | 1,432 | 2,324 | 87.8 GWh |
| 2016 | 9.85 | 11.47 | $137.97 | 1,401 | 2,322 | 89.6 GWh |
| 2015 | 10.46 | 11.08 | $145.00 | 1,386 | 2,282 | 79.1 GWh |
| 2014 | 9.61 | 10.47 | $148.54 | 1,546 | 2,252 | 81.5 GWh |
| 2013 | 8.66 | 10.26 | $133.66 | 1,543 | 2,215 | 85.5 GWh |
Reliability: SAIDI and SAIFI
Form EIA-861, 2025
EIA's reliability file has no SAIDI or SAIFI figure for Oahe Electric Coop Inc in 2025. EIA does not get these figures from each utility.
Counties in the service territory
Form EIA-861, 2025
The utility listed these 2 counties on Form EIA-861. A utility can serve only a part of a county on its list.
Other utilities in South Dakota
Form EIA-861, 2025
| Utility | Type | Residential customers | Average price cents per kWh | Average bill dollars per month | SAIDI minutes, with major event days | SAIDI minutes, without major event days | |
|---|---|---|---|---|---|---|---|
| Dakota Energy Coop Inc | Electric cooperative | 3,231 | 16.28 | $275.69 | n/a | n/a | Add |
| Rosebud Electric Coop Inc | Electric cooperative | 4,911 | 11.88 | $137.05 | 140.9 | 78.4 | Add |
| Northern Electric Coop, Inc | Electric cooperative | 5,823 | 11.43 | $239.29 | 72.5 | 64.9 | Add |
| Central Electric Coop, Inc | Electric cooperative | 6,515 | 14.67 | $225.50 | n/a | n/a | Add |
| Black Hills Electric Coop, Inc | Electric cooperative | 9,415 | 14.79 | $165.83 | 2,486.8 | 120.1 | Add |
| West River Electric Assn Inc | Electric cooperative | 18,975 | 15.16 | $135.78 | 24.0 | 24.0 | Add |
| Southeastern Electric Coop Inc | Electric cooperative | 20,959 | 12.98 | $151.37 | 23.8 | 23.8 | Add |
| Sioux Valley SW Elec Coop | Electric cooperative | 26,360 | 13.87 | $190.03 | 63.2 | 63.2 | Add |
All utilities in South Dakota, Electric cooperatives in the US
Watch or compare this utility
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Official channels
- South Dakota Public Utilities CommissionThe home page of the state utility commission of South Dakota.
- LIHEAP Clearinghouse: energy assistance office searchThe search page for local offices of the federal Low Income Home Energy Assistance Program (LIHEAP).
- EIA: Form EIA-861 annual data filesThe page of the annual files: revenue, sales, customers, reliability and service territories of each utility.
- EIA: Form EIA-861M monthly data filesThe page of the monthly files: the figures of each state and of the monthly sample of utilities.
EIA's files have no website for a utility. The state utility commission and the utility have the rate schedules.
Cite this page
Power Bill Facts. Oahe Electric Coop Inc: average electricity price and bill. https://powerbillfacts.com/utility/oahe-electric-coop-inc-sd-13853/ Source: U.S. Energy Information Administration, Form EIA-861 (2025) and Form EIA-861M. Data through . Page made .
Where the figures come from
Source: U.S. Energy Information Administration. Annual figures: Form EIA-861, final release for 2025, respondent "Oahe Electric Coop Inc", utility number 13853. State and US averages: Form EIA-861M sales and revenue workbook, through August 2026. These are US government works in the public domain. An error in the processing of this site is corrected at the next build: report an error.
Questions about Oahe Electric Coop Inc
- How does the price of Oahe Electric Coop Inc compare with other utilities?
- In 2025, 8% of the 1,238 US utilities with a price had this price or a lower price. In South Dakota, 3 of the 20 other utilities with a price had a lower price.
- How many minutes without power did Oahe Electric Coop Inc report?
- EIA's reliability file has no SAIDI or SAIFI figure for Oahe Electric Coop Inc in 2025. EIA does not get these figures from each utility.
- Which counties does Oahe Electric Coop Inc serve?
- Oahe Electric Coop Inc listed Hughes County, SD and Sully County, SD in its service territory on Form EIA-861 for 2025. A utility can serve only a part of a county.
- How many customers did Oahe Electric Coop Inc have in 2025?
- Oahe Electric Coop Inc had 2,335 residential customers in 2025. It had 3,282 customers in all sectors. Residential customers bought 14% of the electricity that it sold.