HomeWattCost

SDG&E TOU-DR1 vs TOU-DR2

TOU-DR1 and TOU-DR2 cost about the same for a typical California home (within $15 a year). They stay within about 1% of each other 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 507 kWh/mo, California

Head to head

ScenarioTOU-DR1TOU-DR2Cheaper
Typical home, per month$246$245Tie
All-in price per kWh48.6¢48.4¢TOU-DR2
Home + EV, charged at the cheapest hour$359$369TOU-DR1
Home + EV, plugged in at 6 pm$424$423Tie
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 TOU-DR2.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
TOU-DR1$296$205$224$191$199$230$275$386$307$213$202$227
TOU-DR2$294$203$222$189$197$230$276$386$307$213$200$225

TOU-DR1: price by hour

July weekday.

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

TOU-DR2: price by hour

July weekday.

Off-peakPeak
41.7¢69.6¢41.7¢12a3a6a9a12p3p6p9p12a

TOU-DR1 or TOU-DR2: common questions

Is TOU-DR1 or TOU-DR2 cheaper?

TOU-DR1 and TOU-DR2 cost about the same for a typical California home (within $15 a year). They stay within about 1% of each other at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use. Adding an EV driven 1,000 miles a month and charged at each plan’s cheapest hour, TOU-DR1 gives the lower total ($359 against $369 a month).

What is the difference between TOU-DR1 and TOU-DR2?

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. TOU-DR2 is time-of-use (summer weekdays: Peak 4 pm–9 pm; lowest price 9 pm–4 pm next day), 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.

TOU-DR2: Time-of-Use Plus, Coastal

  • Peak 4 pm–9 pm on July weekdays; 5 of 24 hours carry the top price of 69.6¢.
  • The cheapest July weekday hour costs 41.7¢, so moving 1 kWh out of the top hours saves 27.9¢.
  • January weekdays range from 47.4¢ to 61.5¢.
  • Summer pricing applies Jun–Oct; winter pricing Nov–May.
  • 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.