TRANSALTA CORP revenue for the last year amounted to 2.85 B CAD, the most of which — 1.32 B CAD — came from its highest performing source at the moment, Gas, the year earlier bringing 1.52 B CAD. The greatest contribution to the revenue figure was made by Canada — last year it brought TRANSALTA CORP 2.01 B CAD, and the year before that — 2.22 B CAD.