HomeWattCost

Peak and off-peak hours, utility by utility

The most common summer peak is 4 pm–9 pm, on 13 of the 113 time-of-use plans modeled here. 111 of them include the overnight hours in their cheapest period, the best time to charge an EV or run a dishwasher. Every row comes from the utility’s own tariff.

Tariffs checked September 29, 2026Hours local clock time, July weekday

Where timing matters most

Largest gap between the peak price and the cheapest hour, July weekday.

Every time-of-use plan

Utility and planStateSummer peakDaysCheapest hoursCheapestPeak
Alabama Power RTAAL1 pm–7 pmWeekdays7 pm–1 pm next day13.1¢33.1¢
APS R-TOU-EAZ4 pm–7 pmWeekdays7 pm–4 pm next day15.0¢37.1¢
APS R-EVAZ4 pm–7 pmWeekdays11 pm–5 am next day11.2¢39.5¢
SRP E-28AZ6 pm–9 pmWeekdays8 am–3 pm6.2¢39.8¢
TEP TRRESTAZ3 pm–7 pmWeekdays7 pm–3 pm next day14.3¢21.5¢
Entergy Arkansas REMTAR1 pm–7 pmWeekdays10 pm–6 am next day11.2¢23.5¢
Anaheim Public Utilities TOU-2CA4 pm–9 pmWeekdays9 pm–4 pm next day18.2¢34.8¢
Burbank Water and Power EV TOUCA4 pm–7 pmWeekdays11 pm–8 am next day15.6¢39.0¢
LADWP R-1BCA1 pm–5 pmWeekdays8 pm–10 am next day26.5¢35.1¢
PG&E E-TOU-CCA4 pm–9 pmEvery day9 pm–4 pm next day39.9¢52.2¢
PG&E E-ELECCA4 pm–9 pmEvery day12 am–3 pm33.4¢55.2¢
PG&E EV2-ACA4 pm–9 pmEvery day12 am–3 pm22.6¢53.8¢
PG&E E-TOU-DCA5 pm–8 pmWeekdays8 pm–5 pm next day34.2¢47.7¢
SCE TOU-D-4-9PMCA4 pm–9 pmWeekdays9 pm–4 pm next day35.3¢59.1¢
SCE TOU-D-5-8PMCA5 pm–8 pmWeekdays8 pm–5 pm next day35.1¢75.0¢
SCE TOU-D-PRIMECA4 pm–9 pmWeekdays9 pm–4 pm next day27.3¢59.9¢
SDG&E TOU-DR1CA4 pm–9 pmWeekdays12 am–6 am, 10 am–2 pm37.4¢69.1¢
SDG&E TOU-DR2CA4 pm–9 pmEvery day9 pm–4 pm next day41.7¢69.6¢
SDG&E EV-TOU-5CA4 pm–9 pmWeekdays12 am–6 am, 10 am–2 pm13.1¢80.2¢
SDG&E TOU-ELECCA4 pm–9 pmWeekdays12 am–6 am, 10 am–2 pm34.4¢72.6¢
SDG&E EV-TOU-2CA4 pm–9 pmWeekdays12 am–6 am, 10 am–2 pm25.1¢78.9¢
SMUD R-TODCA5 pm–8 pmWeekdays12 am–noon15.5¢37.6¢
SMUD R-TOD EVCA5 pm–8 pmWeekdays12 am–6 am14.0¢37.6¢
Colorado Springs Utilities ETRCO5 pm–9 pmWeekdays9 pm–5 pm next day9.8¢33.4¢
Xcel Energy RE-TOUCO5 pm–9 pmWeekdays9 pm–5 pm next day14.3¢36.1¢
Eversource Rate 7CTnoon–8 pmWeekdays8 pm–noon next day20.8¢30.0¢
UI Rate RTCTnoon–8 pmWeekdays8 pm–noon next day21.5¢33.4¢
Delmarva Power R-TOU-NDDE10 am–9 pmWeekdays9 pm–10 am next day10.9¢31.0¢
Duke Energy Florida RST-1FL6 pm–9 pmWeekdays12 am–6 am10.8¢17.9¢
FPL RTR-1FLnoon–9 pmWeekdays9 pm–noon next day8.0¢28.9¢
Georgia Power TOU-OA-15GA2 pm–7 pmWeekdays11 pm–7 am next day6.0¢39.9¢
Georgia Power TOU-REO-19GA2 pm–7 pmWeekdays7 pm–2 pm next day12.6¢39.9¢
Hawaiian Electric TOU-RHI5 pm–9 pmEvery day9 am–5 pm22.0¢65.3¢
Idaho Power Schedule 5ID7 pm–11 pmEvery day11 pm–3 pm next day8.3¢31.3¢
ComEd DTODIL1 pm–7 pmEvery day9 pm–6 am next day13.2¢21.7¢
Duke Energy Indiana RS TOUIN6 pm–10 pmEvery day1 am–5 am8.9¢21.7¢
I&M Indiana RS-TOD2IN2 pm–6 pmEvery day6 pm–2 pm next day13.7¢27.7¢
Alliant Energy 407IA2 pm–7 pmWeekdays7 pm–2 pm next day17.8¢28.9¢
MidAmerican RSTIA1 pm–6 pmWeekdays10 pm–8 am next day8.3¢22.7¢
Evergy RTOU-2KS4 pm–8 pmWeekdays8 pm–4 pm next day11.7¢31.7¢
Evergy TOUKS5 pm–9 pmWeekdays1 am–7 am8.8¢31.2¢
Evergy Kansas Metro RTOU-2KS4 pm–8 pmWeekdays8 pm–4 pm next day9.9¢30.4¢
KU RTOD-EnergyKY2 pm–6 pmWeekdays6 pm–2 pm next day7.5¢23.6¢
LG&E RTOD-EnergyKY2 pm–6 pmWeekdays6 pm–2 pm next day9.5¢19.4¢
CMP A-TOUME5 pm–9 pmWeekdays9 pm–5 pm next day18.9¢55.6¢
BGE Schedule RLMD10 am–8 pmWeekdays11 pm–7 am next day16.0¢30.3¢
BGE Schedule EVMD10 am–8 pmWeekdays8 pm–10 am next day15.9¢29.6¢
Delmarva Power R-TOU-NDMD2 pm–7 pmWeekdays7 pm–2 pm next day21.1¢26.7¢
Delmarva Power R-PIVMDnoon–8 pmWeekdays8 pm–noon next day19.2¢30.5¢
Pepco R-TOU-PMD2 pm–7 pmWeekdays7 pm–2 pm next day19.2¢43.7¢
Pepco R-PIVMDnoon–8 pmWeekdays8 pm–noon next day21.2¢32.5¢
Potomac Edison R-TOUMD4 pm–9 pmWeekdays9 pm–4 pm next day13.7¢20.7¢
Consumers Energy RSPMI2 pm–7 pmWeekdays7 pm–2 pm next day22.6¢27.4¢
Consumers Energy RSHMI2 pm–7 pmWeekdays7 pm–2 pm next day22.6¢27.4¢
Consumers Energy RPMMI2 pm–7 pmWeekdays11 pm–6 am next day21.6¢27.4¢
DTE D1.2MI11 am–7 pmWeekdays7 pm–11 am next day18.2¢28.9¢
DTE D1.11MI3 pm–7 pmWeekdays7 pm–3 pm next day21.5¢27.2¢
Xcel Energy A02MN9 am–9 pmWeekdays9 pm–9 am next day9.6¢32.3¢
Ameren Missouri 1(M) Evening/MorningMO9 am–9 pmEvery day9 pm–9 am next day16.2¢16.8¢
Ameren Missouri 1(M) OvernightMO6 am–10 pmEvery day10 pm–6 am next day8.3¢19.4¢
Ameren Missouri 1(M) Smart SaverMO3 pm–7 pmWeekdays10 pm–6 am next day8.6¢41.5¢
Evergy Missouri Metro RPKAMO4 pm–8 pmEvery day12 am–6 am14.4¢16.4¢
Evergy Missouri Metro RTOUMO4 pm–8 pmWeekdays12 am–6 am5.9¢34.1¢
Evergy Missouri Metro RTOU-3MO4 pm–8 pmWeekdays12 am–6 am3.3¢36.2¢
Evergy Missouri West RPKAMO4 pm–8 pmEvery day12 am–6 am14.0¢16.2¢
Evergy Missouri West RTOUMO4 pm–8 pmWeekdays12 am–6 am6.4¢31.6¢
Evergy Missouri West RTOU-3MO4 pm–8 pmWeekdays12 am–6 am4.2¢29.9¢
NV Energy ORS-TOUNV6 pm–9 pmEvery day9 pm–6 pm next day7.6¢47.5¢
NV Energy North OD-1 TOUNV6 pm–9 pmEvery day9 pm–6 pm next day9.0¢49.8¢
Eversource R-OTOD 2NH1 pm–7 pmWeekdays7 pm–1 pm next day22.3¢37.7¢
JCP&L RTNJ8 am–8 pmWeekdays8 pm–8 am next day16.1¢27.9¢
PSE&G RS-TOU-3PNJ4 pm–9 pmWeekdays12 am–6 am9.6¢60.3¢
El Paso Electric Rate 01 TODNM3 pm–7 pmWeekdays7 pm–3 pm next day7.8¢25.0¢
Central Hudson SC6NY2 pm–7 pmWeekdays7 pm–2 pm next day22.6¢31.9¢
Central Hudson SC6 EVNY2 pm–7 pmWeekdays7 pm–2 pm next day22.6¢31.9¢
Con Edison SC-1 Rate IIINY2 pm–6 pmWeekdays12 am–8 am12.5¢120.0¢
Orange & Rockland SC19NYnoon–7 pmWeekdays9 pm–10 am next day12.2¢54.7¢
PSEG Long Island 194NY3 pm–7 pmWeekdays7 pm–3 pm next day23.6¢50.7¢
Duke Energy Carolinas RSTCNC6 pm–9 pmWeekdays1 am–6 am9.5¢25.6¢
Duke Energy Progress R-TOUNC6 pm–9 pmWeekdays1 am–6 am10.9¢33.4¢
Duke Energy Progress R-TOU-EVNC5 am–11 pmEvery day11 pm–5 am next day10.0¢16.6¢
MDU Rate 16NDnoon–8 pmWeekdays8 pm–noon next day10.2¢14.0¢
Xcel Energy D02ND9 am–9 pmWeekdays9 pm–9 am next day8.3¢22.1¢
AEP Ohio RS-TOUOH2 pm–6 pmWeekdays6 pm–2 pm next day17.5¢39.7¢
CEI RS-TODOH2 pm–6 pmWeekdays8 pm–6 am next day18.4¢24.0¢
Ohio Edison RS-TODOH2 pm–6 pmWeekdays8 pm–6 am next day17.8¢23.4¢
Toledo Edison RS-TODOH2 pm–6 pmWeekdays8 pm–6 am next day16.8¢22.4¢
PSO RSTODOK2 pm–7 pmWeekdays7 pm–2 pm next day12.2¢34.2¢
PSO RSEVOK2 pm–7 pmWeekdays11 pm–6 am next day9.9¢34.2¢
PGE Schedule 7 TODOR5 pm–9 pmWeekdays9 pm–7 am next day11.5¢46.2¢
Met-Ed RS-TOUPA2 pm–9 pmWeekdays11 pm–6 am next day15.9¢31.0¢
PECO R-TOUPA2 pm–6 pmWeekdays12 am–6 am17.0¢42.7¢
West Penn Power RS-TOUPA2 pm–9 pmWeekdays11 pm–6 am next day13.8¢26.3¢
Dominion Energy SC Rate 5SC4 pm–8 pmEvery day1 am–5 am9.6¢29.9¢
Duke Energy Carolinas RSTCSC6 pm–9 pmWeekdays1 am–6 am9.6¢27.2¢
Duke Energy Carolinas RT-EVSC5 am–11 pmEvery day11 pm–5 am next day10.8¢15.7¢
EPB TRSTN3 pm–7 pmWeekdays7 pm–3 pm next day10.6¢20.3¢
EPB NRSTN5 am–11 pmEvery day11 pm–5 am next day8.8¢13.1¢
Middle Tennessee Electric NITEFLEXTN4 am–10 pmEvery day10 pm–4 am next day7.8¢11.8¢
MLGW RS TOUTN1 pm–7 pmWeekdays7 pm–1 pm next day10.9¢20.8¢
Entergy Texas RS-TODTX1 pm–9 pmWeekdays9 pm–1 pm next day8.8¢26.0¢
PEC Residential TOUTX4 pm–8 pmEvery day9 pm–2 pm next day8.0¢19.8¢
Xcel Energy SPS IV-3 TOUTX1 pm–7 pmWeekdays7 pm–1 pm next day11.5¢29.1¢
Rocky Mountain Power Schedule 1 TOUUT6 pm–10 pmWeekdays10 pm–6 pm next day8.4¢37.8¢
GMP Rate 11VT1 pm–9 pmWeekdays9 pm–1 pm next day17.6¢39.8¢
Appalachian Power RS-TODVA7 am–8 pmWeekdays8 pm–7 am next day8.3¢28.5¢
Dominion Schedule 1GVA3 pm–6 pmWeekdays12 am–5 am13.2¢30.9¢
Appalachian Power RS-TODWV7 am–9 pmWeekdays9 pm–7 am next day10.8¢24.0¢
Alliant Energy Rg-5WI11 am–7 pmWeekdays11 pm–6 am next day9.5¢29.9¢
We Energies Rg 2WI7 am–7 pmWeekdays7 pm–7 am next day10.3¢30.3¢
WPS Rg5-OTOUWI1 pm–7 pmWeekdays10 pm–7 am next day8.5¢33.8¢
Xcel Energy Rg-2WI9 am–9 pmWeekdays9 pm–9 am next day10.3¢25.1¢
Rocky Mountain Power Schedule 19WY7 am–9 am, 5 pm–11 pmEvery day11 pm–7 am next day, 9 am–5 pm9.2¢15.4¢

All-in prices per kWh before taxes for a typical home in the state, July weekday. Winter hours and weekends can differ: each utility page shows every season and day type.

Common questions

When are off-peak electricity hours?

It depends on your utility and plan. On 13 of the 113 time-of-use plans modeled here, the summer weekday peak is 4 pm–9 pm; 111 of the 113 plans include the overnight hours in their cheapest period. Outside the peak (and mid-peak) windows, the off-peak price applies.

What is the cheapest time to charge an electric car?

On most time-of-use plans, overnight. The table gives the cheapest summer weekday hours and price on each plan; the largest gap between the cheapest and the peak price is on Evergy Missouri Metro RTOU-3 (3.3¢ against 36.2¢ per kWh).

How do I find the cheapest hour for my appliance?

The best-time calculator finds the cheapest start hour for any load on your plan, and the EV calculator prices your car at the hour you plug in.