BKW AG revenue for the last year amounted to 4.43 B CHF, the most of which — 2.18 B CHF — came from its highest performing source at the moment, Energy, the year earlier bringing 2.90 B CHF. The greatest contribution to the revenue figure was made by Switzerland — last year it brought BKW AG 3.00 B CHF, and the year before that — 2.76 B CHF.