HomeWattCost

SCE TOU-D-4-9PM vs D

For a typical California home using 487 kWh a month, D is cheaper by about $23 a year ($184 against $186 a month). D is cheaper or about the same at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use.

Utility SCETariffs checked 2026-10-05Typical use 487 kWh/mo, California

Head to head

ScenarioTOU-D-4-9PMDCheaper
Typical home, per month$186$184D
All-in price per kWh38.1¢37.7¢D
Home + EV, charged at the cheapest hour$278$295TOU-D-4-9PM
Home + EV, plugged in at 6 pm$332$295D
Fixed charge$24.17$24.17

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 8 am on TOU-D-4-9PM, any hour on D.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
TOU-D-4-9PM$232$162$176$151$157$180$214$232$242$174$160$151
D$235$163$177$150$155$173$208$225$234$173$161$153

TOU-D-4-9PM: price by hour

July weekday.

Off-peakPeak
34.4¢60.4¢34.4¢12a3a6a9a12p3p6p9p12a

D: price by hour

July weekday.

Same price all day
40.5¢12a3a6a9a12p3p6p9p12a

TOU-D-4-9PM or D: common questions

Is TOU-D-4-9PM or D cheaper?

For a typical California home using 487 kWh a month, D is cheaper by about $23 a year ($184 against $186 a month). D is cheaper or about the same 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-D-4-9PM gives the lower total ($278 against $295 a month).

What is the difference between TOU-D-4-9PM and D?

TOU-D-4-9PM is time-of-use (summer weekdays: Peak 4 pm–9 pm; lowest price 9 pm–4 pm next day), with a fixed charge of $24.17 a month. D is tiered: the price per kWh rises with monthly use, with a fixed charge of $24.17 a month.

More SCE comparisons

How the two plans work

TOU-D-4-9PM: Time-of-Use 4–9 pm

  • Peak 4 pm–9 pm on July weekdays; 5 of 24 hours carry the top price of 60.4¢.
  • The cheapest July weekday hour costs 34.4¢, so moving 1 kWh out of the top hours saves 26.0¢.
  • January weekdays range from 33.4¢ to 51.9¢.
  • Summer pricing applies Jun–Sep; winter pricing Oct–May.
  • Weekends differ: Mid-peak 4 pm–9 pm.
  • Fixed charge: $24.17 a month.

D: Tiered Rate Plan (Domestic), Region 9

  • In July the first 17 kWh a day cost 31.4¢ each; then 40.5¢ above 17 kWh a day.
  • An average California home (571 kWh in July) goes past the first tier, so extra load such as an EV is priced higher.
  • Fixed charge: $24.17 a month.

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