Public Service Co of Colorado time-of-use hours

On RE-TOU, on-peak hours run 3 PM – 7 PM on weekdays. Below is every active TOU rate plan we track for Public Service Co of Colorado — 5 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Public Service Co of Colorado 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.

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Rate plan schedules

Every active time-of-use plan we track for Public Service Co of Colorado, with its period boundaries.

RE-TOU Residential Energy Time-of-Use Service Residential
PeriodSeasonDaysHours
Mid-Peak All year Mon–Fri 1 PM – 3 PM
On-Peak All year Mon–Fri 3 PM – 7 PM
Effective
May 1, 2024
Verified
C-TOU Small Commercial Time-of-Use Commercial
PeriodSeasonDaysHours
Mid-Peak All year Mon–Fri 1 PM – 3 PM
On-Peak All year Mon–Fri 3 PM – 7 PM
Mid-Peak All year Mon–Fri 7 PM – 9 PM
Effective
May 1, 2024
Verified
SG-TOU Secondary General Time-of-Use Service Pilot Commercial
PeriodSeasonDaysHours
Mid-Peak All year Mon–Fri 1 PM – 3 PM
On-Peak All year Mon–Fri 3 PM – 7 PM
Mid-Peak All year Mon–Fri 7 PM – 9 PM
Effective
May 1, 2024
Verified
P-EV Primary Voltage Time-of-Use – Electric Vehicle Service EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 2 PM – 10 PM
Effective
May 1, 2024
Verified
S-EV Secondary Voltage Time-of-Use – Electric Vehicle Service EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 2 PM – 10 PM
Effective
May 1, 2024
Verified

Frequently asked

  1. What are Public Service Co of Colorado's on-peak hours?

    On the RE-TOU plan (Residential Energy Time-of-Use Service), on-peak hours run from 3 PM – 7 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Public Service Co of Colorado charge more for electricity at certain times?

    Yes. Public Service Co of Colorado 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 5 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Public Service Co of Colorado 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 Public Service Co of Colorado 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 Public Service Co of Colorado's plans?

    For customers on EV-specific plans like P-EV, S-EV, 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.