Free tools for solar retailers

Daily electricity usage calculator

Convert billed electricity usage into average daily kWh using the actual number of billing days.

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Illustrative values are prefilled. Replace them with your own figures. Calculations run in your browser; this tool does not submit your inputs.

10 kWh per day

How it works

Average daily usage = billed kWh ÷ billing days.

Worked example

900 kWh across 90 days is 10 kWh per day.

Before using the result

An average does not show when power was used. For an existing solar home, billed imports alone do not include solar consumed on site.

Continue with the related workflow guide

Method reviewed 13 September 2026. This is a transparent arithmetic worksheet, not an energy simulation or a product price quote.