Southern California Edison peak
& off-peak hours

Below is every active TOU rate plan we track for Southern California Edison — 14 plans — with period boundaries verified against the published tariff. No price values; periods only.

Rate Plans

TOU-D-4-9PM TOU-D Option 4-9 PM

Residential
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-D-5-8PM TOU-D Option 5-8 PM

Residential
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 5 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 5 PM – 8 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 5 PM
Mid-Peak Oct 1 – May 31 Every day 5 PM – 8 PM
Effective
Mar 1, 2019
Verified

TOU-D-PRIME TOU-D Option PRIME

Residential
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-PA-2 TOU-PA-2 Agricultural & Pumping - Small/Medium (<200 kW)

Agricultural
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2022
Verified

TOU-PA-2-5TO8 TOU-PA-2 Agricultural & Pumping - Small/Medium, 5-8 PM (<200 kW)

Agricultural
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 5 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 5 PM – 8 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 5 PM
Mid-Peak Oct 1 – May 31 Every day 5 PM – 8 PM
Effective
Mar 1, 2022
Verified

TOU-PA-3 TOU-PA-3 Agricultural & Pumping - Large (200-500 kW)

Agricultural
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2022
Verified

TOU-PA-3-5TO8 TOU-PA-3 Agricultural & Pumping - Large, 5-8 PM (200-500 kW)

Agricultural
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 5 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 5 PM – 8 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 5 PM
Mid-Peak Oct 1 – May 31 Every day 5 PM – 8 PM
Effective
Mar 1, 2022
Verified

TOU-8 TOU-8 General Service - Large (>500 kW)

Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-GS-1 TOU-GS-1 General Service (<20 kW)

Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-GS-2 TOU-GS-2 General Service (20-200 kW)

Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-GS-3 TOU-GS-3 General Service (200-500 kW)

Commercial
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-EV-7 TOU-EV-7 (EV charging, small demand)

EV
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-EV-8 TOU-EV-8 (EV charging, medium demand)

EV
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified

TOU-EV-9 TOU-EV-9 (EV charging, large demand)

EV
PeriodSeasonDaysHours
On-Peak Jun 1 – Sep 30 Mon–Fri 4 PM – 9 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 4 PM – 9 PM
Super Off-Peak Oct 1 – May 31 Every day 8 AM – 4 PM
Mid-Peak Oct 1 – May 31 Every day 4 PM – 9 PM
Effective
Mar 1, 2019
Verified
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Use these Southern California Edison hours in your app.

Current period and next transition for any ZIP or address.

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FAQ's

  1. What are Southern California Edison's on-peak hours?

    On the TOU-D-4-9PM plan (TOU-D Option 4-9 PM), on-peak hours run from 4 PM – 9 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Southern California Edison charge more for electricity at certain times?

    Yes. Southern California Edison 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 14 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Southern California Edison 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 Southern California Edison 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 Southern California Edison's plans?

    For customers on EV-specific plans like TOU-EV-7, TOU-EV-8, TOU-EV-9, 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.