What are Northern States Power Co - Minnesota (South Dakota) Residential Service Time Of Day - Underground (E04) peak hours and rates?
Residential Service Time Of Day - Underground (E04) from Northern States Power Co - Minnesota (South Dakota) is a time-of-use plan: electricity costs the most during peak hours (9 a.m.–9 p.m.) at about $0.22/kWh and the least off-peak at about $0.06/kWh. Shifting heavy usage out of the peak window lowers the bill.
Peak window
9 a.m.–9 p.m.
Peak price
22¢/kWh
Off-peak price
6¢/kWh
Fixed charge
$12.25/mo
The Residential Service Time Of Day - Underground (E04) 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 | 9 a.m.–9 p.m. | $0.18 |
| Mid-Peak | 9 p.m.–9 a.m. | $0.06 |
Summer
Jun–Sep
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 9 a.m.–9 p.m. | $0.22 |
| Mid-Peak | 9 p.m.–9 a.m. | $0.06 |
Frequently asked questions
What are Northern States Power Co - Minnesota (South Dakota) Residential Service Time Of Day - Underground (E04) peak hours and rates? +
Residential Service Time Of Day - Underground (E04) from Northern States Power Co - Minnesota (South Dakota) is a time-of-use plan: electricity costs the most during peak hours (9 a.m.–9 p.m.) at about $0.22/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 Residential Service Time Of Day - Underground (E04)? +
The cheapest electricity on Northern States Power Co - Minnesota (South Dakota) Residential Service Time Of Day - Underground (E04) is during off-peak hours (9 p.m.–9 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 Residential Service Time Of Day - Underground (E04)? +
Peak power costs about 22¢/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 $0.80.
Who offers Residential Service Time Of Day - Underground (E04)? +
Residential Service Time Of Day - Underground (E04) is a residential electricity plan from Northern States Power Co - Minnesota (South Dakota) (Northern States Power Co - Minnesota (South Dakota)).
About this data
Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (592490855457a34d5ade90e0). Representative — verify exact prices on your Northern States Power Co - Minnesota (South Dakota) bill or tariff sheet.
Other Northern States Power Co - Minnesota (South Dakota) plans
Energy Controlled Service/Non-Demand Metered (E10 )-Residential
Flat rate
Residential Heat Pump Service (E06)
Flat rate
Residential Service - Overhead (E01)
Tiered
Residential Service - Overhead (E01) Electric Space Heating
Tiered
Residential Service - Underground (E03)
Tiered
Residential Service - Underground (E03) Electric Space Heating
Tiered
Are you on the cheapest Northern States Power Co - Minnesota (South Dakota) plan?
Ask the free Energy Advisor about Residential Service Time Of Day - Underground (E04), or upload a bill right here to check your real usage against every Northern States Power Co - Minnesota (South Dakota) plan.
Drop your bill to upload
More free energy tools
Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.