Residential Time-of-Use Rg-5 (Single Phase)
When does peak hit on Wisconsin Power & Light Co’s Residential Time-of-Use Rg-5? Peak hits 6am–5pm, 9pm–11pm, 5pm–9pm in Dec–Feb; 6am–11pm in Mar–May, Sep–Nov; 6am–11am, 7pm–11pm, 11am–7pm in Jun–Aug — on weekdays.
- peak27.26¢
- mid20.06¢
- off-peak9.82¢
Weekends are off-peak all day — the cheapest time to run anything you can schedule.
What does Residential Time-of-Use Rg-5 cost a year?
| Household | Uses | Per year | Works out to |
|---|---|---|---|
| Apartment One or two people, no central air, no electric heat | 4,866 kWh | $991 | 20.4¢ / kWh |
| Family home Three or four people with central air conditioning | 9,453 kWh | $1,791 | 18.9¢ / kWh |
| Home with an EV Same house, plus an electric car charging overnight | 13,103 kWh | $2,149 | 16.4¢ / kWh |
Estimates, not quotes. We run three made-up but realistic households through this tariff hour by hour for a full year — including the way air conditioning loads the afternoon and an EV loads the small hours. Your own bill depends on when you actually use electricity, which is exactly the thing a per-kWh number hides.
What you actually pay
| Period | Rate | Applies when |
|---|---|---|
| peak | 27.26¢ | 5pm–9pm, December–February; 11am–7pm, June–August |
| mid | 20.06¢ | 6am–5pm, 9pm–11pm, December–February; 6am–11pm, March–May, September–November; 6am–11am, 7pm–11pm, June–August |
| off-peak | 9.82¢ | 11pm–6am, midnight–midnight |
Plus a fixed charge of $0.4932 per day — so longer months cost more before you use a single kWh.
Should you be on Residential Time-of-Use Rg-5?
This is a time-of-use plan, which means the clock decides your bill as much as the meter does. At the worst hour you pay 27.3¢ a kWh; at the best hour, 9.8¢ — 2.8× apart for identical electricity.
That gap is worth real money only if you can move load into it. Every kilowatt-hour a day you shift from 5pm to midnight is about $64 a year. A dishwasher run is roughly 1.5 kWh; an EV commute charge is 8 to 12. If your day is fixed — you are home in the evening and the air conditioner runs when it runs — a plan like this costs you more, not less.
Before a single kilowatt-hour moves, this plan charges $180 a year in fixed fees. On the apartment above that is 18% of the whole bill; on the house with a car charging in it, 8%. Fixed charges are invisible in a cents-per-kWh comparison and they punish small users hardest — if you use very little electricity, the headline rate is the least important number on this page.
Expect the bill to move with the calendar. The same family home costs about $223 in July and $117 in February — a $106 spread driven by heating and cooling far more than by anything you chose. Budget against the July figure, not the average, and a summer bill stops being a surprise.
How it compares to Wisconsin Power & Light’s other plans
Measured against the other residential plans this utility files, a family home lands 4th cheapest of 6. The cheapest option, Residential Service Demand Rd-1 (Single Phase), would run about $236 a year less.
Against Residential Service Rg-1 (Single Phase), which looks like the plan you land on by default, this one comes out $58 more per year (3%). We infer the default from the tariff structure rather than a flag in the data, so confirm it against your own bill before you switch.
If this is new to you
- What is a time-of-use electricity rate?
The same kilowatt-hour, priced differently depending on when you use it.
- Should you switch to a time-of-use electricity plan?
A wide peak-to-off-peak gap is a lever, not a saving. Levers need something to move.
- When should you charge an electric car at home?
The single biggest load most homes can move, and the easiest to automate.
- Why is my electric bill so high in summer?
Usually three causes at once, and only one of them is your air conditioner.
Where this comes from
- Effective
- 2025-01-01
the date this tariff took effect
- Covers
- delivery + supply
우편번호 매핑에서 이 지역 서비스 종류가 Bundled — 배달과 공급을 함께 판다
- Enrollment
- open to new customers