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superxpro12 12 hours ago

$.21/kw seems high for home charging... im at $.12, before the extra savings that gets me closer to $.10

aidenn0 11 hours ago | parent | next [-]

$0.21 was from memory, so I pulled up my bill and it was actually low:

Southern California Edison on the time-of-use plan, charging during "Super off peak." Note that nowhere on the bill do they show one number for how much you pay per kWh. These numbers will change next month as we go from "Winter" to "Summer"

Delivery charges: $0.17664

CCA Cost responsibility surcharge: $0.02007

Nonbypassable charges: $0.00644 + $0.00591

Fixed recovery charge: $0.00619

Generation charge: $0.05958

Unless I typoed something again (oops 800k) that works out to $0.27 for the cheapest I can pay in winter. I compared last fall and this was by far the cheapest plan offered to me for overnight charging.

neogodless 12 hours ago | parent | prev | next [-]

Varies widely by state and other factors. I'm at around $0.18 for 1kWh when you look at the overall bill including generation, supply, and all other fees.

(My car averages 3.3 miles / kWh, so ~$0.055 / mile assuming 100% charge efficiency... I'm using a 120V outlet so it's probably 75-80% charge efficiency, pushing the cost to ~$0.068 / mile.)

aidenn0 11 hours ago | parent [-]

Is using a 120V charger really only 80% charge efficiency? That would add another penny or two per mile to my cost.

neogodless 10 hours ago | parent [-]

https://insideevs.com/features/711659/ev-charger-efficiency-...

Suggests up to 25% loss if your just plugging into an outlet, but a wallbox improves that considerably.

toast0 11 hours ago | parent | prev | next [-]

I was at $0.12 3 years ago, but rates have jumped (and there's two more years of planned rate increases coming up)

culopatin 9 hours ago | parent | prev [-]

And yet half what they charge in some areas of California