Delmarva Power time-of-use hours in Delaware

On DE-R-TOU-ND, on-peak hours run 9 AM – 8 PM and 10 AM – 9 PM on weekdays. Below is every active TOU rate plan Delmarva Power offers in Delaware — 2 plans — with period boundaries verified against the published tariff. No price values; periods only.

Delmarva Power also serves Maryland — or view all states.

For developers & agents

Query Delmarva Power periods in Delaware 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 Delmarva Power in Delaware, with its period boundaries.

DE-R-TOU-ND Residential Time-of-Use Non-Demand Residential
PeriodSeasonDaysHours
On-Peak first Sun of Nov – second Sun of Mar −1d Mon–Fri 9 AM – 8 PM
On-Peak second Sun of Mar – first Sun of Nov −1d Mon–Fri 10 AM – 9 PM
Effective
May 1, 2014
Verified
DE-PIV Plug-In Vehicle Charging EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 12 PM – 8 PM
Effective
Jun 4, 2019
Verified

Frequently asked

  1. What are Delmarva Power's on-peak hours in Delaware?

    On the DE-R-TOU-ND plan (Residential Time-of-Use Non-Demand), on-peak hours run from 9 AM – 8 PM and 10 AM – 9 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Delmarva Power charge more for electricity at certain times in Delaware?

    Yes. Delmarva Power 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 2 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Delmarva Power 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 Delmarva Power 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 Delmarva Power's plans in Delaware?

    For customers on EV-specific plans like DE-PIV, 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.