What are Interstate Power and Light Co Electric Residential Service Usage Time of Day - 407 peak hours and rates?
Electric Residential Service Usage Time of Day - 407 from Interstate Power and Light Co is a time-of-use plan: electricity costs the most during peak hours (7 a.m.–8 p.m.) at about $0.23/kWh and the least off-peak at about $0.12/kWh. Shifting heavy usage out of the peak window lowers the bill.
Peak window
7 a.m.–8 p.m.
Peak price
23¢/kWh
Off-peak price
12¢/kWh
Fixed charge
$0.43/mo
The Electric Residential Service Usage Time of Day - 407 day, hour by hour
Hover any hour for its exact price. Toggle season and day type.
Winter
Jan–May, Sep–Dec
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 7 a.m.–8 p.m. | $0.21 |
| Mid-Peak | 8 p.m.–7 a.m. | $0.12 |
Summer
Jun–Aug
| Period | Hours | $/kWh |
|---|---|---|
| Peak | 7 a.m.–8 p.m. | $0.23 |
| Mid-Peak | 8 p.m.–7 a.m. | $0.13 |
Usage tiers
| Tier | Up to | $/kWh |
|---|---|---|
| Tier 1 | 500 kWh | $0.12 |
| Tier 2 | 1200 kWh | $0.11 |
| Tier 3 | no limit | $0.09 |
Frequently asked questions
What are Interstate Power and Light Co Electric Residential Service Usage Time of Day - 407 peak hours and rates? +
Electric Residential Service Usage Time of Day - 407 from Interstate Power and Light Co is a time-of-use plan: electricity costs the most during peak hours (7 a.m.–8 p.m.) at about $0.23/kWh and the least off-peak at about $0.12/kWh. Shifting heavy usage out of the peak window lowers the bill.
When is the cheapest time to use electricity on Electric Residential Service Usage Time of Day - 407? +
The cheapest electricity on Interstate Power and Light Co Electric Residential Service Usage Time of Day - 407 is during off-peak hours (8 p.m.–7 a.m.), at about 12¢/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 Electric Residential Service Usage Time of Day - 407? +
Peak power costs about 23¢/kWh versus 12¢/kWh off-peak — a difference of about 11¢/kWh. Running a 5 kWh load (a load of laundry plus dishwasher) off-peak instead of at peak saves roughly $0.57.
Who offers Electric Residential Service Usage Time of Day - 407? +
Electric Residential Service Usage Time of Day - 407 is a residential electricity plan from Interstate Power and Light Co (Interstate Power and Light Co).
About this data
Compiled by Optiwatt from the OpenEI U.S. Utility Rate Database (63ed07e7c51bb45f6306adcf). Representative — verify exact prices on your Interstate Power and Light Co bill or tariff sheet.
Other Interstate Power and Light Co plans
Electric Residential Service Optional Demand - 507
7 a.m.–8 p.m.
Electric Residential Service Usage - 400
Tiered
Electric Residential Service Usage - 400 [Net Metering Pilot]
Tiered
Optional Residential Service Demand Rate Rd-1 (Wisconsin)
5 p.m.–9 p.m.
Optional Residential Time of Use Rg-5 (Wisconsin)
5 p.m.–9 p.m.
Are you on the cheapest Interstate Power and Light Co plan?
Ask the free Energy Advisor about Electric Residential Service Usage Time of Day - 407, or upload a bill right here to check your real usage against every Interstate Power and Light Co plan.
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.