Northern States Power Co time-of-use hours

On RG-2-OPT1, on-peak hours run 9 AM – 9 PM on weekdays. Below is every active TOU rate plan we track for Northern States Power Co — 4 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Northern States Power 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 Northern States Power Co, with its period boundaries.

RG-2-OPT1 Residential Time-of-Day Service (OPT1: 09:00-21:00) Residential
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 9 AM – 9 PM
Effective
Jan 1, 2010
Verified
RG-2-OPT2 Residential Time-of-Day Service (OPT2: 08:30-20:30) Residential
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 8:30 AM – 8:30 PM
Effective
Jan 1, 2010
Verified
RG-2-OPT3 Residential Time-of-Day Service (OPT3: 08:00-20:00) Residential
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 8 AM – 8 PM
Effective
Jan 1, 2010
Verified
EVR-1 Residential Electric Vehicle Home Service EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 12 PM – 8 PM
Mid-Peak All year Every day 8 AM – 12 PM
Mid-Peak All year Sat–Sun 12 PM – 8 PM
Mid-Peak All year Every day 8 PM – 12 AM
Effective
Nov 9, 2020
Verified

Frequently asked

  1. What are Northern States Power Co's on-peak hours?

    On the RG-2-OPT1 plan (Residential Time-of-Day Service (OPT1: 09:00-21:00)), on-peak hours run from 9 AM – 9 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Northern States Power Co charge more for electricity at certain times?

    Yes. Northern States Power 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 4 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Northern States Power 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 Northern States Power 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.

  5. What is the best time to charge an EV under Northern States Power Co's plans?

    For customers on EV-specific plans like EVR-1, the most cost-effective time to charge is during super off-peak or off-peak hours. Charging during these designated windows significantly reduces electricity costs and minimizes demand on the grid.