HomeWattCost

SCE TOU-D-5-8PM vs TOU-D-PRIME

For a typical California home using 487 kWh a month, TOU-D-5-8PM is cheaper by about $156 a year ($183 against $196 a month). TOU-D-5-8PM is cheaper below about 750 kWh a month and TOU-D-PRIME above it, with the same daily pattern of use.

Utility SCETariffs checked 2026-09-28Typical use 487 kWh/mo, California

Head to head

ScenarioTOU-D-5-8PMTOU-D-PRIMECheaper
Typical home, per month$183$196TOU-D-5-8PM
All-in price per kWh37.6¢40.3¢TOU-D-5-8PM
Home + EV, charged at the cheapest hour$276$268TOU-D-PRIME
Home + EV, plugged in at 6 pm$359$351TOU-D-PRIME
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-5-8PM, 12 am on TOU-D-PRIME.

TOU-D-PRIME is an EV or electrification rate: check the eligibility rules on SCE’s tariff before switching.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
TOU-D-5-8PM$230$159$173$148$154$178$211$229$240$171$157$149
TOU-D-PRIME$229$167$182$163$170$198$231$247$255$185$169$160

TOU-D-5-8PM: price by hour

July weekday.

Off-peakPeak
35.1¢75.0¢35.1¢12a3a6a9a12p3p6p9p12a

TOU-D-PRIME: price by hour

July weekday.

Off-peakPeak
27.3¢59.9¢27.3¢12a3a6a9a12p3p6p9p12a

How the two plans work

TOU-D-5-8PM: Time-of-Use 5–8 pm

  • Peak 5 pm–8 pm on July weekdays; 3 of 24 hours carry the top price of 75.0¢.
  • The cheapest July weekday hour costs 35.1¢, so moving 1 kWh out of the top hours saves 39.9¢.
  • January weekdays range from 33.2¢ to 61.4¢.
  • Summer pricing applies Jun–Sep; winter pricing Oct–May.
  • Weekends follow a different schedule from weekdays.
  • Fixed charge: $24.17 a month.

TOU-D-PRIME

  • Peak 4 pm–9 pm on July weekdays; 5 of 24 hours carry the top price of 59.9¢.
  • The cheapest July weekday hour costs 27.3¢, so moving 1 kWh out of the top hours saves 32.6¢.
  • January weekdays range from 25.3¢ to 57.3¢.
  • Summer pricing applies Jun–Sep; winter pricing Oct–May.
  • Weekends follow a different schedule from weekdays.
  • 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.