What are SDG&E TOU-DR1 peak hours?
On SDG&E TOU-DR1, peak hours are 4 p.m.–9 p.m. (summer peak 74¢/kWh). Electricity is cheapest overnight and midday at about 37¢/kWh, so shifting heavy use — EV charging, laundry, pre-cooling — out of the 4 p.m.–9 p.m. window is where the savings come from. Winter peak is lower at 59¢/kWh.
Peak window
4 p.m.–9 p.m.
Summer peak
74¢/kWh
Cheapest
37¢/kWh
Peak vs cheapest
37¢/kWh
The SDG&E TOU-DR1 day, hour by hour
Hover any hour for its exact price. Toggle season and day type.
Summer
June 1 – October 31
| Period | Hours | $/kWh |
|---|---|---|
| Super Off-Peak | midnight–6 a.m., 10 a.m.–2 p.m. | $0.37 |
| Off-Peak | 6 a.m.–10 a.m., 2 p.m.–4 p.m., 9 p.m.–midnight | $0.50 |
| Peak | 4 p.m.–9 p.m. | $0.74 |
Winter
November 1 – May 31
| Period | Hours | $/kWh |
|---|---|---|
| Super Off-Peak | midnight–6 a.m., 10 a.m.–2 p.m. | $0.50 |
| Off-Peak | 6 a.m.–10 a.m., 2 p.m.–4 p.m., 9 p.m.–midnight | $0.52 |
| Peak | 4 p.m.–9 p.m. | $0.59 |
What it costs to run things at peak vs off-peak
Summer rates. Modeled by Energy Advisor from the prices above — representative energy use, not a billed amount.
| Task | At peak | Off-peak | You save |
|---|---|---|---|
| Charge an EV (full, ~Level 2) | $44.23 | $22.27 | $21.96 |
| Run central AC (3 hours) | $6.63 | $3.34 | $3.29 |
| Electric clothes dryer (1 load) | $2.21 | $1.11 | $1.10 |
| Run the dishwasher (1 cycle) | $1.11 | $0.56 | $0.55 |
| Electric oven (1 hour) | $1.70 | $0.85 | $0.85 |
Frequently asked questions
What are SDG&E TOU-DR1 peak hours? +
On SDG&E TOU-DR1, peak hours are 4 p.m.–9 p.m. (summer peak 74¢/kWh). Electricity is cheapest overnight and midday at about 37¢/kWh, so shifting heavy use — EV charging, laundry, pre-cooling — out of the 4 p.m.–9 p.m. window is where the savings come from. Winter peak is lower at 59¢/kWh.
What is the cheapest time to use electricity on SDG&E TOU-DR1? +
The cheapest time is the Super Off-Peak window (midnight–6 a.m., 10 a.m.–2 p.m.), at about 37¢/kWh. Running your EV charger, dishwasher, laundry, and pre-cooling during these hours costs the least.
How much can I save by shifting usage off-peak on SDG&E TOU-DR1? +
The gap between peak and the cheapest period is about 37¢/kWh in summer. For example, charging an EV (≈60 kWh) off-peak instead of during peak saves roughly $21.96 per full charge.
Who can sign up for SDG&E TOU-DR1? +
SDG&E's standard residential time-of-use plan.
About this data
Compiled and computed by Energy Advisor from San Diego Gas & Electric's published residential tariff (effective 2025-10-01). Peak/off-peak windows mirror the same billing engine that powers our free bill analysis. Free to reuse with attribution.
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Data last updated June 18, 2026. Compiled by Energy Advisor from published utility tariffs.