HomeWattCost

SDG&E TOU-DR1 vs EV-TOU-5

For a typical California home using 487 kWh a month, EV-TOU-5 is cheaper by about $152 a year ($224 against $236 a month). TOU-DR1 stays cheaper at every level of use from 200 to 2,500 kWh a month 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-5Cheaper
Typical home, per month$236$224EV-TOU-5
All-in price per kWh48.5¢45.9¢EV-TOU-5
Home + EV, charged at the cheapest hour$349$258EV-TOU-5
Home + EV, plugged in at 6 pm$414$400EV-TOU-5
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-5.

EV-TOU-5 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-5$233$170$185$167$174$252$292$312$325$237$172$163

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-5: price by hour

July weekday.

Off-peakMid-peakPeak
13.1¢49.6¢13.1¢49.6¢80.2¢49.6¢12a3a6a9a12p3p6p9p12a

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 follow a different schedule from weekdays.
  • Fixed charge: $24.15 a month.

EV-TOU-5: EV Time-of-Use 5

  • 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 80.2¢.
  • The cheapest July weekday hour costs 13.1¢, so moving 1 kWh out of the top hours saves 67.1¢.
  • January weekdays range from 12.3¢ to 52.4¢.
  • Summer pricing applies Jun–Oct; winter pricing Nov–May.
  • Weekends follow a different schedule from weekdays.
  • 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.