Sorry, this might be a stupid question as I'm not an electrical person.

I'm analyzing an electricity consumption dataset and the consumption is measured by apparent energy (VAh).

How do I convert this VAh to kWh as normally seen on a power bill? Or are they the same thing, just different ways to call?

Thanks.

## Best Answer

You need to know the power factor, which is highly depedant on your application. Then you simply use this formula: $$ P = S * PF $$ where

This answer tells us, that power factor in general public households can be expected to be greater than 0.9.