MidAmerican Energy Co. electricity rates
Investor-owned utility · South Dakota
MidAmerican Energy Co. is a for-profit, investor-owned utility regulated by the state utility commission, serving 4,236 homes in South Dakota. Its residential customers pay an average of 9.25¢/kWh including fixed and delivery charges, 49% less than the U.S. average.
Rate basis: EIA-861M monthly utility data, 12 months ending 2026-07.
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MidAmerican Energy Co. bill estimates
| Monthly use | At average all-in rate | Base tariff charges* |
|---|---|---|
| 500 kWh | $46.25 | $30.77 |
| 1,000 kWh | $92.50 | $52.12 |
| 1,500 kWh | $138.75 | $73.47 |
| 2,000 kWh | $185.00 | $94.82 |
*Rate RST - Residential Time-of-Use Service (effective 2017-09-01, $9.42/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.
MidAmerican Energy Co. residential rate plans
| Plan | Effective | Customer charge | Energy charges |
|---|---|---|---|
| Rate RST - Residential Time-of-Use Service | 2017-09-01 | $9.42 | 4.27¢ |
| RATE GET - GENERAL ENERGY TIME-OF-USE SERVICE (Residential)time-of-use | 2026-04-08 | $10.00 | 6.9¢ (12am–8am, 10pm–12am) · 9.4¢ (8am–1pm, 6pm–10pm) · 19.6¢ (1pm–6pm) — summer weekdays |
| RATE GE - GENERAL ENERGY SERVICE (Residential)time-of-use | 2026-04-08 | $10.00 | 11.1¢ (12am–12am) — summer weekdays |
| RATE RS - RESIDENTIAL SERVICEtime-of-use | 2026-04-08 | $8.50 | 11.8¢ (12am–12am) — summer weekdays |
| RATE RST - RESIDENTIAL TIME-OF-USE SERVICEtime-of-use | 2026-04-08 | $8.50 | 7.9¢ (12am–8am, 10pm–12am) · 10.3¢ (8am–1pm, 6pm–10pm) · 22.2¢ (1pm–6pm) — summer weekdays |
| Rate RS - Residential Servicetime-of-use | 2017-09-01 | $9.42 | 9.9¢ (12am–12am) — summer weekdays |
| Rate RS - Residential Servicetime-of-use | 2017-09-01 | $9.42 | 11.6¢ (12am–12am) — summer weekdays |
| Rate RST - Residential Time-of-Use Servicetime-of-use | 2017-09-01 | $9.42 | 19.7¢ (1pm–6pm) · 8.1¢ (12am–8am, 10pm–12am) · 10.6¢ (8am–1pm, 6pm–10pm) — summer weekdays |
| Rate RST-Residential, Time-of-Use Servicetime-of-use | 2015-07-13 | $8.00 | 21.4¢ (1pm–6pm) · 6.0¢ (12am–8am, 10pm–12am) · 9.8¢ (8am–1pm, 6pm–10pm) — summer weekdays |
Source: OpenEI U.S. Utility Rate Database. Rates change. Check the linked tariff or your bill for current figures.
MidAmerican Energy Co. rate history
2015–2025: +11% change in the average residential rate (8.04¢ → 8.90¢). Annual EIA-861 data.
Outages & reliability
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Reliability history
| 2025 | MidAmerican Energy Co. | South Dakota avg | U.S. avg |
|---|---|---|---|
| Outage minutes per customer (SAIDI) | 399 | 257 | 266 |
| Outages per customer (SAIFI) | 0.93 | 1.24 | 1.34 |
| Average restoration time (CAIDI) | 7 hr 9 min | — | — |
| Outage minutes excluding major storms | 65 | 63 | 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 MidAmerican Energy Co.'s counties, customers averaged 2 hr 40 min without power.
| County | Outage min/customer | Days with outages | Peak customers out | Worst day |
|---|---|---|---|---|
| Union | 437 | 17 | 650 | 2025-07-29 |
| Lincoln | 131 | 20 | 3,087 | 2025-03-01 |
MidAmerican Energy Co. service area
MidAmerican Energy Co. serves 2 counties in South Dakota and 8 ZIP codes.
Lincoln, Union
Cities: Canton, North Sioux City, Dakota Dunes, Elk Point, Beresford
Programs, smart meters & solar
| Smart meters (AMI) for homes | 0% |
| Time-based rate programs | None reported |
| Net-metered solar homes | 0 reported |
MidAmerican Energy Co. at a glance
| Ownership | Investor-owned utility |
| Services | — |
| Commercial rate | 8.23¢/kWh |
| Industrial rate | 5.93¢/kWh |
| Retail revenue (2025) | $21,021,300 |
| Electricity sold (2025) | 315,612 MWh |
| Balancing authority | MISO |
| EIA utility ID | 12341 |
| Website | puc.sd.gov/Dockets/GasElectric/2015/ge15-001.aspx |
Other utilities in South Dakota
Frequently asked questions
What is MidAmerican Energy Co.'s electricity rate?
MidAmerican Energy Co. residential customers pay an average of 9.25¢ per kWh, all charges included (EIA-861M monthly utility data, 12 months ending 2026-07). That's 35% below the South Dakota average of 14.20¢ and 49% below the U.S. average.
What is the average MidAmerican Energy Co. electric bill?
About $103 a month. The average MidAmerican Energy Co. home uses 1,117 kWh a month. At 1,000 kWh the bill would be about $93.
How many customers does MidAmerican Energy Co. have?
MidAmerican Energy Co. serves 4,236 residential customers and 5,333 customers in total in South Dakota, across 2 counties.
How reliable is MidAmerican Energy Co.?
In 2025, the average MidAmerican Energy Co. customer was without power for 6 hr 39 min (SAIDI) over 0.93 interruptions (SAIFI), including major storms. Excluding major event days it was 65 min. The South Dakota average was 4 hr 17 min and the U.S. average 4 hr 26 min.
Does MidAmerican Energy Co. offer time-of-use rates?
Yes. The OpenEI rate database lists 8 time-of-use residential plans, including RATE GET - GENERAL ENERGY TIME-OF-USE SERVICE (Residential). Running big appliances off-peak can cut their cost. Pick the plan in the calculator above to see by how much.
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 MidAmerican Energy Co. before making decisions.