Oahe Electric Co-op electricity rates
Electric cooperative · South Dakota · SPP region · SPP
Oahe Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 2,335 homes in South Dakota. Its residential customers pay an average of 11.18¢/kWh including fixed and delivery charges, 38% less than the U.S. average.
Rate basis: EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend.
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Oahe Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $55.90 | $67.00 |
| 1,000 kWh | $111.80 | $109.00 |
| 1,500 kWh | $167.70 | $151.00 |
| 2,000 kWh | $223.60 | $193.00 |
*Farm & Residential (effective 2012-01-01, $25.00/month customer charge), energy and fixed charges from the OpenEI Utility Rate Database. Riders, fuel adjustments and taxes are often billed separately, so real bills usually land closer to the all-in column. Calculate your bill.
Oahe Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Farm & Residential | 2012-01-01 | $25.00 | 8.40¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Oahe Electric Co-op rate history
2015–2025: +1% change in the average residential rate (10.46¢ → 10.54¢). Annual EIA-861 data.
Outages & reliability
Right now
Checking live outages…
Reliability history
Oahe Electric Co-op doesn't report reliability metrics to EIA (common for small utilities).
Outages in counties served (2025)
From ORNL EAGLE-I, which tracks customers without power every 15 minutes. These counts cover every utility in each county. Weighted across Oahe Electric Co-op's counties, customers averaged 1 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Hughes | 1 | 0 | 62 | 2025-01-29 |
| Sully | 0 | 0 | 0 | 2025-01-02 |
Oahe Electric Co-op service area
Oahe Electric Co-op serves 2 counties in South Dakota and 2 ZIP codes.
Hughes, Sully
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Customers with daily usage data online | 2,335 |
| Time-based rate programs | None reported |
| Net-metered solar homes | 6 |
Oahe Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | Distribution |
| Commercial rate | 7.04¢/kWh |
| Industrial rate | 13.96¢/kWh |
| Retail revenue (2025) | $24,510,000 |
| Electricity sold (2025) | 333,385 MWh |
| Peak demand | 61 MW summer · 59 MW winter |
| Line losses | 2.5% |
| Balancing authority | SWPP |
| EIA utility ID | 13853 |
Other utilities in South Dakota
Frequently asked questions
What is Oahe Electric Co-op's electricity rate?
Oahe Electric Co-op residential customers pay an average of 11.18¢ per kWh, all charges included (EIA-861 2025 annual data, adjusted to the 12 months ending 2026-07 using the state's price trend). That's 21% below the South Dakota average of 14.20¢ and 38% below the U.S. average.
What is the average Oahe Electric Co-op electric bill?
About $180 a month. The average Oahe Electric Co-op home uses 1,612 kWh a month. At 1,000 kWh the bill would be about $112.
How many customers does Oahe Electric Co-op have?
Oahe Electric Co-op serves 2,335 residential customers and 3,282 customers in total in South Dakota, across 2 counties.
Does Oahe Electric Co-op offer net metering for solar?
Oahe Electric Co-op had 6 residential net-metered customers in 2025 with 0.0 MW of capacity. Estimate solar savings at this utility's rate.
Sources: EIA-861 2025 and EIA-861M (through July 2026), OpenEI URDB, ORNL EAGLE-I, U.S. Census. Methodology. Spot an error? Rates change often, so confirm with Oahe Electric Co-op before making decisions.