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Time-of-Use Rate Plan Comparison

Test whether a time-of-use plan beats your flat rate.

Inputs

Inputs and assumptions

Monthly usage

Typically 4-9pm on weekdays.

Mid-day and evening edges.

Flat rate

Peak rate

Shoulder rate

Off-peak rate

Some TOU plans carry a different meter charge.

Result

Flat-rate bill
Waiting for calculation.
TOU savings vs flat
Waiting for calculation.
Time-of-use bill
Waiting for calculation.
This calculator is a first-pass screening tool. Verify your utility tariff, metered usage, equipment specifications, and installer quotes before making a decision.

Workspace

Keep the assumptions with the result.

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