Duquesne Light Co time-of-use hours

On RIDER-8-TOU-RES, on-peak hours run 3 PM – 9 PM on weekdays. Below is every active TOU rate plan we track for Duquesne Light Co — 3 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Duquesne Light 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 Duquesne Light Co, with its period boundaries.

RIDER-8-TOU-RES WholeHome TOU Supply Rate Pilot (Rider No. 8) — Residential Residential
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 9 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jun 1, 2025
Verified
RIDER-8-TOU-COMM WholeHome TOU Supply Rate Pilot (Rider No. 8) — Small/Medium C&I Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 9 PM
Super Off-Peak All year Every day 11 PM – 6 AM
Effective
Jun 1, 2025
Verified
RIDER-4-EV-TOU WholeHome EV TOU Distribution Rate Pilot (Rider No. 4) EV
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 3 PM – 9 PM
Effective
Dec 20, 2024
Verified

Frequently asked

  1. What are Duquesne Light Co's on-peak hours?

    On the RIDER-8-TOU-RES plan (WholeHome TOU Supply Rate Pilot (Rider No. 8) — Residential), on-peak hours run from 3 PM – 9 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Duquesne Light Co charge more for electricity at certain times?

    Yes. Duquesne Light 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 3 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Duquesne Light 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 Duquesne Light 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 Duquesne Light Co's plans?

    For customers on EV-specific plans like RIDER-4-EV-TOU, 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.