SDG&E peak
& off-peak hours

Below is every active TOU rate plan we track for SDG&E — 23 plans — with period boundaries verified against the published tariff. No price values; periods only.

Rate Plans

DR-SES Domestic Time-of-Use for Households with a Solar Energy System

Residential
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-DR Residential Time of Use Service

Residential
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-DR1 Residential Time-of-Use (Experimental)

Residential
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-DR2 Residential Time-of-Use (Experimental, 2-period)

Residential
PeriodSeasonDaysHours
On-Peak All year Every day 4 PM – 9 PM
Effective
Jan 1, 2018
Verified

TOU-ELEC Domestic Time-of-Use for Households with Electric Vehicles, Energy Storage, or Electric Heat Pumps

Residential
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

PA-T-1 Experimental Power – Agricultural – Optional Time-of-Use

Agricultural
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-PA Power – Agricultural Time-of-Use Service

Agricultural
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 4 PM – 9 PM
Effective
Jul 1, 2018
Verified

TOU-PA2 Power – Agricultural Time-Of-Use Service – Three Period

Agricultural
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-PA3 Power Agricultural Time-of-Use Service – Three Period

Agricultural
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

A6-TOU General Service – Time Metered Optional

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

AL-TOU2 Optional Cost-Based Service – Time Metered

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

AL-TOU-L General Service – Time Metered (Large)

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

AL-TOU-M General Service – Time Metered (Medium)

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

DG-R-L Distributed Generation Renewable – Time Metered (Large)

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

DG-R-M Distributed Generation Renewable – Time Metered (Medium)

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-A General Service – Time of Use Service

Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 4 PM – 9 PM
Effective
Jul 1, 2018
Verified

TOU-A2 General Service – Time of Use Service – Three Period

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-A3 General Service – Time of Use Service Three Period Rate

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

TOU-M General Service – Time Metered

Commercial
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

EV-HP Electric Vehicle High Power Rate

EV
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

EV-TOU Domestic Time-of-Use for Electric Vehicle Charging

EV
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

EV-TOU-2 Domestic Time-of-Use for Households with Electric Vehicles

EV
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified

EV-TOU-5 Cost-Based Domestic Time-of-Use for Households with Electric Vehicles

EV
PeriodSeasonDaysHours
Super Off-Peak All year Mon–Fri 12 AM – 6 AM
Super Off-Peak All year Sat–Sun 12 AM – 2 PM
Super Off-Peak All year Mon–Fri 10 AM – 2 PM
On-Peak All year Every day 4 PM – 9 PM
Effective
Apr 1, 2026
Verified
Free · no credit card

Use these SDG&E hours in your app.

Current period and next transition for any ZIP or address.

Get a free API key

250 calls/mo · REST & MCP

or read the docs

FAQ's

  1. What are SDG&E's on-peak hours?

    On the DR-SES plan (Domestic Time-of-Use for Households with a Solar Energy System), on-peak hours run from 4 PM – 9 PM every day. All remaining hours are classified as off-peak.

  2. Does SDG&E charge more for electricity at certain times?

    Yes. SDG&E 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 23 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get SDG&E 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 SDG&E 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 SDG&E's plans?

    For customers on EV-specific plans like EV-HP, EV-TOU, EV-TOU-2, EV-TOU-5, 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.