What are MidAmerican Energy Co (South Dakota) Rate RST-Residential, Time-of-Use Service peak hours and rates?
Rate RST-Residential, Time-of-Use Service from MidAmerican Energy Co (South Dakota) is a time-of-use plan: electricity costs the most during peak hours (1 p.m.–6 p.m.) at about $0.21/kWh and the least off-peak at about $0.06/kWh. Shifting heavy usage out of the peak window lowers the bill.
Peak window
1 p.m.–6 p.m.
Peak price
21¢/kWh
Off-peak price
6¢/kWh
Fixed charge
$8.00/mo
The Rate RST-Residential, Time-of-Use Service day, hour by hour
Hover any hour for its exact price. Toggle season and day type.
Winter
Jan–May, Oct–Dec
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 8 a.m.–10 p.m. | $0.07 |
| Mid-Peak | 10 p.m.–8 a.m. | $0.06 |
Summer
Jun–Sep
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 1 p.m.–6 p.m. | $0.21 |
| Mid-Peak | 8 a.m.–1 p.m., 6 p.m.–10 p.m. | $0.10 |
| Off-Peak | 10 p.m.–8 a.m. | $0.06 |
Frequently asked questions
What are MidAmerican Energy Co (South Dakota) Rate RST-Residential, Time-of-Use Service peak hours and rates? +
Rate RST-Residential, Time-of-Use Service from MidAmerican Energy Co (South Dakota) is a time-of-use plan: electricity costs the most during peak hours (1 p.m.–6 p.m.) at about $0.21/kWh and the least off-peak at about $0.06/kWh. Shifting heavy usage out of the peak window lowers the bill.
When is the cheapest time to use electricity on Rate RST-Residential, Time-of-Use Service? +
The cheapest electricity on MidAmerican Energy Co (South Dakota) Rate RST-Residential, Time-of-Use Service is during off-peak hours (10 p.m.–8 a.m.), at about 6¢/kWh. Shift EV charging, laundry, dishwashing, and pre-cooling into these hours to pay the least.
How much more is peak vs off-peak on Rate RST-Residential, Time-of-Use Service? +
Peak power costs about 21¢/kWh versus 6¢/kWh off-peak — a difference of about 16¢/kWh. Running a 5 kWh load (a load of laundry plus dishwasher) off-peak instead of at peak saves roughly $0.79.
Who offers Rate RST-Residential, Time-of-Use Service? +
Rate RST-Residential, Time-of-Use Service is a residential electricity plan from MidAmerican Energy Co (South Dakota) (MidAmerican Energy Co (South Dakota)).
About this data
Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (55b8e8385457a34427995e8b). Representative — verify exact prices on your MidAmerican Energy Co (South Dakota) bill or tariff sheet.
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.