Duke Energy Carolinas, LLC time-of-use hours in North Carolina

On RE-TC, on-peak hours run 6 PM – 9 PM and 6 AM – 9 AM on weekdays. Below is every active TOU rate plan Duke Energy Carolinas, LLC offers in North Carolina — 6 plans — with period boundaries verified against the published tariff. No price values; periods only.

Duke Energy Carolinas, LLC also serves South Carolina — or view all states.

For developers & agents

Query Duke Energy Carolinas, LLC periods in North Carolina 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 Duke Energy Carolinas, LLC in North Carolina, with its period boundaries.

RE-TC Schedule RE-TC — Residential All-Electric Service, Time of Use with Critical Peak Pricing Residential
PeriodSeasonDaysHours
Super Off-Peak May 1 – Sep 30 Every day 1 AM – 6 AM
On-Peak May 1 – Sep 30 Mon–Fri 6 PM – 9 PM
Super Off-Peak Oct 1 – Apr 30 Every day 1 AM – 3 AM
On-Peak Oct 1 – Apr 30 Mon–Fri 6 AM – 9 AM
Super Off-Peak Oct 1 – Apr 30 Every day 11 AM – 4 PM
Effective
Jan 1, 2026
Verified
RS-TC Schedule RS-TC — Residential Service, Time of Use with Critical Peak Pricing Residential
PeriodSeasonDaysHours
Super Off-Peak May 1 – Sep 30 Every day 1 AM – 6 AM
On-Peak May 1 – Sep 30 Mon–Fri 6 PM – 9 PM
Super Off-Peak Oct 1 – Apr 30 Every day 1 AM – 3 AM
On-Peak Oct 1 – Apr 30 Mon–Fri 6 AM – 9 AM
Super Off-Peak Oct 1 – Apr 30 Every day 11 AM – 4 PM
Effective
Jan 1, 2026
Verified
RT Schedule RT - Residential Service, Time of Use Residential
PeriodSeasonDaysHours
Super Off-Peak May 1 – Sep 30 Every day 1 AM – 6 AM
On-Peak May 1 – Sep 30 Mon–Fri 6 PM – 9 PM
Super Off-Peak Oct 1 – Apr 30 Every day 1 AM – 3 AM
On-Peak Oct 1 – Apr 30 Mon–Fri 6 AM – 9 AM
Super Off-Peak Oct 1 – Apr 30 Every day 11 AM – 4 PM
Effective
Jan 1, 2026
Verified
OPT-V Schedule OPT-V — Optional Power Service, Time of Use Commercial
PeriodSeasonDaysHours
Super Off-Peak May 1 – Sep 30 Every day 1 AM – 6 AM
On-Peak May 1 – Sep 30 Mon–Fri 6 PM – 9 PM
Super Off-Peak Oct 1 – Apr 30 Every day 1 AM – 3 AM
On-Peak Oct 1 – Apr 30 Mon–Fri 6 AM – 9 AM
Super Off-Peak Oct 1 – Apr 30 Every day 11 AM – 4 PM
Effective
Jan 1, 2026
Verified
SGS-TC Schedule SGS-TC — Small General Service, Time of Use with Critical Peak Pricing Commercial
PeriodSeasonDaysHours
Super Off-Peak May 1 – Sep 30 Every day 1 AM – 6 AM
On-Peak May 1 – Sep 30 Mon–Fri 6 PM – 9 PM
Super Off-Peak Oct 1 – Apr 30 Every day 1 AM – 3 AM
On-Peak Oct 1 – Apr 30 Mon–Fri 6 AM – 9 AM
Super Off-Peak Oct 1 – Apr 30 Every day 11 AM – 4 PM
Effective
Jan 1, 2026
Verified
RT-EV Schedule RT-EV — Residential Service, Time of Use with Discount EV Charging Period EV
PeriodSeasonDaysHours
Super Off-Peak All year Every day 11 PM – 5 AM
Effective
Jan 1, 2026
Verified

Frequently asked

  1. What are Duke Energy Carolinas, LLC's on-peak hours in North Carolina?

    On the RE-TC plan (Schedule RE-TC — Residential All-Electric Service, Time of Use with Critical Peak Pricing), on-peak hours run from 6 PM – 9 PM and 6 AM – 9 AM on weekdays. All remaining hours are classified as off-peak.

  2. Does Duke Energy Carolinas, LLC charge more for electricity at certain times in North Carolina?

    Yes. Duke Energy Carolinas, LLC 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 Duke Energy Carolinas, LLC 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 Duke Energy Carolinas, LLC 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 Duke Energy Carolinas, LLC's plans in North Carolina?

    For customers on EV-specific plans like RT-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.