HomeWattCost

SDG&E TOU-DR1 vs EV-TOU-2

For a typical California home using 487 kWh a month, TOU-DR1 is cheaper by about $52 a year ($236 against $241 a month). TOU-DR1 is cheaper below about 600 kWh a month and EV-TOU-2 above it, with the same daily pattern of use.

Utility SDG&ETariffs checked 2026-09-28Typical use 487 kWh/mo, California

Head to head

ScenarioTOU-DR1EV-TOU-2Cheaper
Typical home, per month$236$241TOU-DR1
All-in price per kWh48.5¢49.4¢TOU-DR1
Home + EV, charged at the cheapest hour$349$309EV-TOU-2
Home + EV, plugged in at 6 pm$414$413EV-TOU-2
Fixed charge$24.15$24.15

Typical home: California average use by month (EIA), shaped hour by hour (NREL ResStock), before taxes. EV: Tesla Model Y Long Range AWD, 1,000 miles a month; cheapest start 12 am on TOU-DR1, 12 am on EV-TOU-2.

EV-TOU-2 is an EV or electrification rate: check the eligibility rules on SDG&E’s tariff before switching.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
TOU-DR1$296$205$223$191$199$230$275$297$309$214$204$192
EV-TOU-2$257$187$203$180$187$267$311$333$345$251$188$179

TOU-DR1: price by hour

July weekday.

Off-peakMid-peakPeak
37.4¢46.4¢37.4¢46.4¢69.1¢46.4¢12a3a6a9a12p3p6p9p12a

EV-TOU-2: price by hour

July weekday.

Off-peakMid-peakPeak
25.1¢48.3¢25.1¢48.3¢78.9¢48.3¢12a3a6a9a12p3p6p9p12a

TOU-DR1 or EV-TOU-2: common questions

Is TOU-DR1 or EV-TOU-2 cheaper?

For a typical California home using 487 kWh a month, TOU-DR1 is cheaper by about $52 a year ($236 against $241 a month). TOU-DR1 is cheaper below about 600 kWh a month and EV-TOU-2 above it, with the same daily pattern of use. Adding an EV driven 1,000 miles a month and charged at each plan’s cheapest hour, EV-TOU-2 gives the lower total ($309 against $349 a month).

What is the difference between TOU-DR1 and EV-TOU-2?

TOU-DR1 is time-of-use (summer weekdays: Mid-peak 6 am–10 am, Mid-peak 2 pm–4 pm, Peak 4 pm–9 pm, Mid-peak 9 pm–12 am; lowest price 12 am–6 am, 10 am–2 pm), with a fixed charge of $24.15 a month. EV-TOU-2 is time-of-use (summer weekdays: Mid-peak 6 am–10 am, Mid-peak 2 pm–4 pm, Peak 4 pm–9 pm, Mid-peak 9 pm–12 am; lowest price 12 am–6 am, 10 am–2 pm), with a fixed charge of $24.15 a month.

More SDG&E comparisons

How the two plans work

TOU-DR1: Standard Time-of-Use, Coastal

  • Mid-peak 6 am–10 am, Mid-peak 2 pm–4 pm, Peak 4 pm–9 pm, Mid-peak 9 pm–12 am on July weekdays; 5 of 24 hours carry the top price of 69.1¢.
  • The cheapest July weekday hour costs 37.4¢, so moving 1 kWh out of the top hours saves 31.7¢.
  • January weekdays range from 43.7¢ to 61.5¢.
  • Summer pricing applies Jun–Oct; winter pricing Nov–May.
  • Weekends differ: Mid-peak 2 pm–4 pm, Peak 4 pm–9 pm, Mid-peak 9 pm–12 am.
  • Fixed charge: $24.15 a month.

EV-TOU-2: EV Time-of-Use 2

  • Mid-peak 6 am–10 am, Mid-peak 2 pm–4 pm, Peak 4 pm–9 pm, Mid-peak 9 pm–12 am on July weekdays; 5 of 24 hours carry the top price of 78.9¢.
  • The cheapest July weekday hour costs 25.1¢, so moving 1 kWh out of the top hours saves 53.8¢.
  • January weekdays range from 24.4¢ to 51.1¢.
  • Summer pricing applies Jun–Oct; winter pricing Nov–May.
  • Weekends differ: Mid-peak 2 pm–4 pm, Peak 4 pm–9 pm, Mid-peak 9 pm–12 am.
  • Fixed charge: $24.15 a month.

Your own pattern of use decides the winner: compare every SDG&E plan on your usage, or see all SDG&E plans, sources and peak hours.