Wisconsin Power & Light Co time-of-use hours

On RD-1, on-peak hours run 11 AM – 7 PM and 5 PM – 9 PM on weekdays. Below is every active TOU rate plan we track for Wisconsin Power & Light Co — 6 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Wisconsin Power & Light Co periods programmatically.

One call returns the current period and the next transition time for any U.S. ZIP or address — GET /query/current over REST, or the same data through MCP for AI agents.

Get a free API key Read the docs

Rate plan schedules

Every active time-of-use plan we track for Wisconsin Power & Light Co, with its period boundaries.

RD-1 Residential Service - Demand Rate Residential
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 7 PM
On-Peak Dec 1 – Feb 29 Mon–Fri 5 PM – 9 PM
Super Off-Peak All year Sat–Sun 6 AM – 11 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
RG-5 Residential Service - Time-of-Use Residential
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 7 PM
On-Peak Dec 1 – Feb 29 Mon–Fri 5 PM – 9 PM
Super Off-Peak All year Sat–Sun 6 AM – 11 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
CG-2-TOD Commercial Service - Time-of-Use Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 7 PM
On-Peak Dec 1 – Feb 29 Mon–Fri 5 PM – 9 PM
Super Off-Peak All year Sat–Sun 6 AM – 11 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
GD-1 General Service - Demand Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 7 PM
On-Peak Dec 1 – Feb 29 Mon–Fri 5 PM – 9 PM
Super Off-Peak All year Sat–Sun 6 AM – 11 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
GS-3 General Service - Time-of-Use Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 7 PM
On-Peak Dec 1 – Feb 29 Mon–Fri 5 PM – 9 PM
Super Off-Peak All year Sat–Sun 6 AM – 11 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified
CP-1 Industrial Power at Primary or Secondary Voltage - Time of Use Industrial
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 7 PM
On-Peak Dec 1 – Feb 29 Mon–Fri 5 PM – 9 PM
Super Off-Peak All year Sat–Sun 6 AM – 11 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jan 1, 2026
Verified

Frequently asked

  1. What are Wisconsin Power & Light Co's on-peak hours?

    On the RD-1 plan (Residential Service - Demand Rate), on-peak hours run from 11 AM – 7 PM and 5 PM – 9 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Wisconsin Power & Light Co charge more for electricity at certain times?

    Yes. Wisconsin Power & Light Co offers time-of-use (TOU) rate plans where electricity costs vary depending on the period. The period—peak, off-peak, mid-peak, or super off-peak—depends on the time, day, and season. This page lists boundaries for 6 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Wisconsin Power & Light Co time-of-use periods in my app?

    Schedules are accessible programmatically via the tou.tools REST API and MCP server for AI agents. By querying a U.S. address or ZIP code, your application can instantly retrieve the current period and next scheduled transition time. Developer API keys are free.

  4. Do Wisconsin Power & Light Co time-of-use hours change during holidays or seasons?

    Yes. Peak hours and rate periods can vary by season (typically summer and winter halves) and special holidays. While some schedules like E-ELEC keep stable hours year-round, others introduce super off-peak windows or adjust peak times. Check each rate plan card above for specific seasonal boundaries.