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EV Off-Peak Charging Savings Calculator

What overnight EV rates save per year.

Inputs

Inputs and assumptions

Driven miles.

Vehicle efficiency.

Current flat all-in rate for comparison.

Share of EV energy in the cheap window. Whole-house TOU moves all loads; this screens EV charging only.

Night rate.

Day rate.

Result

Annual TOU savings
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Flat-rate cost/mo
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TOU cost/mo
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What to check

  • Monthly miles
  • TOU rate windows
This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

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