Time-of-use plans for EV owners typically charge 2 to 4 cents per kWh during super-off-peak hours (typically midnight to 6 am) vs 14 to 26 cents during peak. A typical home EV charge uses 20 to 40 kWh. On TOU at off-peak rates, that costs $0.50 to $1.20 per session vs $2.80 to $10.40 on flat-rate. Annual savings on a Tesla Model 3 with 12,000 miles per year: $580 to $720 on TOU vs flat-rate.
TOU rate structure for EV owners
California EV-TOU plans charge as low as 2 cents per kWh super-off-peak (midnight to 6 am) and as high as 50+ cents during summer peak.
Texas free-nights plans charge zero off-peak but elevated daytime rates. The math works for EV owners who charge overnight.
Annual EV charging cost by plan
12,000 miles/year on a Tesla Model 3 uses roughly 3,600 kWh. On flat-rate at 16 cents/kWh: $576/year. On TOU off-peak at 3 cents/kWh: $108/year.
Annual TOU savings on EV charging alone: $468. Plus household-load TOU benefits: total $580 to $720 savings.
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