Pepco time-of-use & off-peak hours in Washington DC

On DC-GT-LV, on-peak hours run 12 PM – 8 PM on weekdays. Below is every active TOU rate plan Pepco offers in Washington DC — 4 plans — with period boundaries verified against the published tariff. No price values; periods only.

Pepco also serves Maryland — or view all states.

For developers & agents

Query Pepco periods in Washington DC 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 Pepco in Washington DC, with its period boundaries.

DC-GT-LV Time Metered General Service - Low Voltage Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 12 PM – 8 PM
Mid-Peak All year Mon–Fri 8 AM – 12 PM
Mid-Peak All year Mon–Fri 8 PM – 12 AM
Effective
Jun 1, 2025
Verified
DC-MGT-LV Time Metered Medium General Service - Low Voltage Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 12 PM – 8 PM
Mid-Peak All year Mon–Fri 8 AM – 12 PM
Mid-Peak All year Mon–Fri 8 PM – 12 AM
Effective
Jun 1, 2025
Verified
DC-MDU-PIV Multi-Dwelling Unit Service - Plug-in Vehicle Charging EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 6 AM – 8 PM
Effective
Jun 1, 2025
Verified
DC-R-PIV Residential Service - Plug-in Vehicle Charging EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 12 PM – 8 PM
Effective
Jun 1, 2025
Verified

Frequently asked

  1. What are Pepco's on-peak hours in Washington DC?

    On the DC-GT-LV plan (Time Metered General Service - Low Voltage), on-peak hours run from 12 PM – 8 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Pepco charge more for electricity at certain times in Washington DC?

    Yes. Pepco 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 Pepco 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 Pepco 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 Pepco's plans in Washington DC?

    For customers on EV-specific plans like DC-MDU-PIV, DC-R-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.