Bulgarian: кВАрч (abbreviation)

[Gavril]

An electricity bill from Bulgaria contains a table with the following headings:

Услуга - Количество (кВтч/кВАрч) - Единична цена (лв./кВт/ден)/(лв./кВтч) - Сума(лв.)

A translator has rendered "кВтч" as KWh = "kilowatt hour(s)". I'm not familiar with Bulgarian abbreviations, but this reading at least makes sense based on the Bulgarian words for "kilowatt" and "hour".

But I'm not sure about the same translator's rendering of "кВАрч".

What does "кВАрч" stand for?

Thanks for your time,
Gavril

 

[Panceltic]

Kilovolt ampere reactive hour, see here and here.