Southern Iowa Electric Co-op electricity rates
Electric cooperative · Iowa
Southern Iowa Electric Co-op is a member-owned electric cooperative, so its customers own it and elect its board, serving 4,818 homes in Iowa. Its residential customers pay an average of 17.46¢/kWh including fixed and delivery charges, 3% 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. This utility files EIA's short form, which reports total sales only, so the rate covers all customer classes.
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Southern Iowa Electric Co-op bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $87.30 | $94.05 |
| 1,000 kWh | $174.60 | $150.10 |
| 1,500 kWh | $261.90 | $206.15 |
| 2,000 kWh | $349.20 | $262.20 |
*Residentail Rate (effective 2014-04-01, $38.00/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.
Southern Iowa Electric Co-op residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Residentail Rate | 2014-04-01 | $38.00 | 11.21¢ |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
Southern Iowa Electric Co-op rate history
2015–2025: +12% change in the average residential rate (15.14¢ → 16.95¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2019 | Southern Iowa Electric Co-op | Iowa avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 177 | 149 | 266 |
| Outages per customer (SAIFI) | 1.66 | 1.03 | 1.34 |
| Average restoration time (CAIDI) | 107 min | — | — |
| Outage minutes excluding major storms | 177 | 78 | 121 |
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 Southern Iowa Electric Co-op's counties, customers averaged 2 hr 1 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Van Buren | 248 | 24 | 1,713 | 2025-03-15 |
| Appanoose | 162 | 27 | 1,193 | 2025-07-28 |
| Wapello | 106 | 25 | 2,593 | 2025-05-16 |
| Davis | 50 | 17 | 330 | 2025-07-23 |
Southern Iowa Electric Co-op service area
Southern Iowa Electric Co-op serves 4 counties in Iowa and 1 ZIP codes.
Appanoose, Davis, Van Buren, Wapello
Programs, smart meters & solar
| Smart meters (AMI) for homes | 100% |
| Time-based rate programs | None reported |
| Homes on time-based rates | 4,654 |
| Net-metered solar homes | 0 reported |
Southern Iowa Electric Co-op at a glance
| Ownership | Electric cooperative |
| Services | — |
| Retail revenue (2025) | $12,854,300 |
| Electricity sold (2025) | 75,839 MWh |
| Balancing authority | AECI |
| EIA utility ID | 17643 |
Other utilities in Iowa
Frequently asked questions
What is Southern Iowa Electric Co-op's electricity rate?
Southern Iowa Electric Co-op residential customers pay an average of 17.46¢ 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 24% above the Iowa average of 14.13¢ and 3% below the U.S. average.
What is the average Southern Iowa Electric Co-op electric bill?
About $229 a month. The average Southern Iowa Electric Co-op home uses 1,312 kWh a month. At 1,000 kWh the bill would be about $175.
How many customers does Southern Iowa Electric Co-op have?
Southern Iowa Electric Co-op serves 4,818 residential customers in Iowa, across 4 counties.
How reliable is Southern Iowa Electric Co-op?
In 2019, the average Southern Iowa Electric Co-op customer was without power for 2 hr 57 min (SAIDI) over 1.66 interruptions (SAIFI), including major storms. Excluding major event days it was 2 hr 57 min. The Iowa average was 2 hr 29 min and the U.S. average 4 hr 26 min.
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 Southern Iowa Electric Co-op before making decisions.