Alliant Energy Wisconsin electricity rates
Wisconsin Power & Light Co, as the EIA and URDB list it
Wisconsin Power & Light Co's customers paid 16.9¢ per kWh in 2024, riders included (EIA-861): about $114 a month for 673 kWh. Residential Time-of-Use Rg-5 (Single Phase), the lowest of 2 open plans at 1,000 kWh a month, comes to $2,133 a year, at the typical hour-by-hour use of homes in Wisconsin. Schedule retrieved October 8, 2026.
Every priced Wisconsin Power & Light Co plan, 1,000 kWh/mo
| Plan | Per year | vs cheapest | Effective |
|---|---|---|---|
| Residential Time-of-Use Rg-5 (Single Phase)✓ cheapesttime-of-use · in effect since January 2025 | $2,132.93 | — | 17.8¢ |
| Residential Service Rg-1 (Single Phase)flat rate · in effect since January 2025 | $2,151.28 | +$18.35 | 17.9¢ |
| Priced but not ranked — restricted, older, or not verifiable as a bill | |||
| Controlled Water Heating (17-Hour Charging Period) Rw-1 [CLOSED Rate]priced by season · in effect since January 2015 · closed to new customers | $1,332.08 | −$800.85 | 11.1¢ |
| General Time-of-Day with Controlled Water Heating 12 Hour Peak Gw-1 [CLOSED Rate]time-of-use · in effect since January 2015 · closed to new customers | $1,411.03 | −$721.90 | 11.8¢ |
| General Time-of-Day with Controlled Water Heating 14 Hour Peak Gw-1 [CLOSED Rate]time-of-use · in effect since January 2015 · closed to new customers | $1,468.44 | −$664.49 | 12.2¢ |
| Residential Service Demand Rd-1 (Single Phase)time-of-use · demand charge · in effect since January 2025 · billed on peak kW, which monthly use cannot price; not ranked | $1,931.82 | −$201.11 | 16.1¢ |
| Residential Service Demand Rd-1 (Three Phase)time-of-use · demand charge · in effect since January 2025 · needs three-phase service | $2,081.82 | −$51.11 | 17.3¢ |
| Residential Time-of-Use Rg-5 (Three Phase)time-of-use · in effect since January 2025 · needs three-phase service | $2,187.13 | +$54.20 | 18.2¢ |
| Residential Service Rg-1 (Three Phase)flat rate · in effect since January 2025 · needs three-phase service | $2,241.22 | +$108.29 | 18.7¢ |
Price Wisconsin Power & Light Co’s plans at your own usage
The cheapest Wisconsin Power & Light Co plan at each level of use
- 500 kWh/mo — cheapest $1,156.50 (Residential Time-of-Use Rg-5 (Single Phase)), dearest $1,165.60, a $9.10 spread
- 1,000 kWh/mo — cheapest $2,132.93 (Residential Time-of-Use Rg-5 (Single Phase)), dearest $2,151.28, a $18.35 spread
- 2,000 kWh/mo — cheapest $4,085.86 (Residential Time-of-Use Rg-5 (Single Phase)), dearest $4,122.52, a $36.66 spread
What Wisconsin Power & Light Co's customers were billed in 2024
At 673 kWh a month, Wisconsin Power & Light Co's median open plan comes to 18.6¢ per kWh, 10% above the 16.9¢ its customers were billed in 2024, riders included.
| Ownership, as EIA classes it | Investor-owned |
|---|---|
| Full-service homes in Wisconsin | 437,211 |
| Share of Wisconsin's households | 15% |
| Average use per home | 673 kWh a month |
| Average bill per home | $113.70 a month |
| Billed per kWh, riders included | 16.9¢ |
| Median open plan here, at that use | 18.6¢ |
Wisconsin Power & Light Co in U.S. Energy Information Administration, Form EIA-861, 2024 (Sales_Ult_Cust_2024.xlsx), retrieved September 23, 2026.
How the Residential Service Rg-1 (Single Phase) bill at 1,000 kWh has moved since 2017
Wisconsin Power & Light Co's Residential Service Rg-1 (Single Phase) cost $131.63 a month under its January 2017 version and costs $179.27 under its January 2025 one, 36% more. Its biggest single step, in January 2024, added $20.16 (14%). In Wisconsin, EIA's average price rose 27% between 2017 and 2025.
Every version of Residential Service Rg-1 (Single Phase)
| Took effect | At 1,000 kWh | Change | Record |
|---|---|---|---|
| January 2025 | $179.27 | +$13.20 (+7.9%) | URDB |
| January 2024 | $166.07 | +$20.16 (+13.8%) | URDB |
| January 2022 | $145.91 | +$14.28 (+10.8%) | URDB |
| January 2019 | $131.63 | −$0.54 (−0.4%) | URDB |
| January 2018 | $132.17 | +$0.54 (+0.4%) | URDB |
| January 2017 | $131.63 | First on record | URDB |
In the guides: Why electricity rates change
How it compares
Among the 100 utilities indexed, Wisconsin Power & Light Co's cheapest open plan is the 36th-highest, 14% more than their median of $1,877.14. It sits between NorthWestern Energy ($2,130.72) and South Carolina Pub Serv Auth ($2,158.12).
In Wisconsin it is the 2nd-dearest of the 3 utilities indexed; Wisconsin Public Service Corp starts lowest, at $1,931.60.
None of Wisconsin Power & Light Co's plans open to any household has a tiered step or a seasonal price in this data: a kWh costs the same however much is used and whatever the month.
Cheapest 6 plans at 1,000 kWh a month
Residential Time-of-Use Rg-5 (Single Phase) — $2,132.93 a year, 17.8¢ per kWh effective, time-of-use. It carries a $0.49 daily standing charge. In effect since January 2025.
Residential Service Rg-1 (Single Phase) — $2,151.28 a year, 17.9¢ per kWh effective, flat rate. It carries a $0.49 daily standing charge. In effect since January 2025.
Controlled Water Heating (17-Hour Charging Period) Rw-1 [CLOSED Rate] — $1,332.08 a year, 11.1¢ per kWh effective, priced by season. It carries a $3.42 monthly standing charge. In effect since January 2015. Too old to quote as a current price.
General Time-of-Day with Controlled Water Heating 12 Hour Peak Gw-1 [CLOSED Rate] — $1,411.03 a year, 11.8¢ per kWh effective, time-of-use. It carries a $7.68 monthly standing charge. In effect since January 2015. Too old to quote as a current price.
General Time-of-Day with Controlled Water Heating 14 Hour Peak Gw-1 [CLOSED Rate] — $1,468.44 a year, 12.2¢ per kWh effective, time-of-use. It carries a $7.68 monthly standing charge. In effect since January 2015. Too old to quote as a current price.
Residential Service Demand Rd-1 (Single Phase) — $1,931.82 a year, 16.1¢ per kWh effective, time-of-use and demand-charged. It carries a $0.33 daily standing charge. In effect since January 2025. Not ranked: it bills on peak demand, which monthly use cannot price.
How Wisconsin Power & Light Co's plans are structured
Of 9 priceable plans: 6 time-of-use, 1 priced by season, 2 with demand charges, 2 flat-rate.
Fixed monthly charges run from $3.42 to $22.19.
Wisconsin Power & Light Co's published schedules
EIA-861 lists Wisconsin Power & Light Co serving homes in Wisconsin and in no other state, which is how its plans are placed there. 9 of its 9 published residential schedules can be priced.
When Wisconsin Power & Light Co's time-of-use plans charge most
Residential Time-of-Use Rg-5 (Single Phase) charges 27.3¢ a kWh weekdays 11 am to 7 pm, June to August; and weekdays 5 pm to 9 pm, December to February, against 9.8¢ in its cheapest hours; those dearest hours are 9% of the year. Homes in Wisconsin typically put 11% of their electricity in them (NREL ResStock).
In the guides: Time-of-use plans, hour by hour