How do Interstate Power and Light Co Electric Residential Service Usage - 400 tiered rates work?
Electric Residential Service Usage - 400 from Interstate Power and Light Co is a tiered plan: the price per kWh steps up as monthly usage rises. The first tier is about $0.17/kWh; usage above the baseline allowance is billed at higher tiers.
Highest rate
18¢/kWh
Lowest rate
17¢/kWh
Fixed charge
$0.43/mo
Usage tiers
| Tier | Up to | $/kWh |
|---|---|---|
| Tier 1 | 500 kWh | $0.17 |
| Tier 2 | 1200 kWh | $0.14 |
| Tier 3 | no limit | $0.11 |
Frequently asked questions
How do Interstate Power and Light Co Electric Residential Service Usage - 400 tiered rates work? +
Electric Residential Service Usage - 400 from Interstate Power and Light Co is a tiered plan: the price per kWh steps up as monthly usage rises. The first tier is about $0.17/kWh; usage above the baseline allowance is billed at higher tiers.
Who offers Electric Residential Service Usage - 400? +
Electric Residential Service Usage - 400 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 (63ecff83c51bb45f6306adce). 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 [Net Metering Pilot]
Tiered
Electric Residential Service Usage Time of Day - 407
7 a.m.–8 p.m.
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 - 400, or upload a bill right here to check your real usage against every Interstate Power and Light Co plan.
Drop your bill to upload
More free energy tools
Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.