MONTAUK RENEWABLES INC revenue for the last year amounted to 3.20 B ZAR, the most of which — 2.87 B ZAR — came from its highest performing source at the moment, Renewable Natural Gas, the year earlier bringing 3.35 B ZAR. The greatest contribution to the revenue figure was made by United States — last year it brought MONTAUK RENEWABLES INC 3.20 B ZAR, and the year before that — 3.51 B ZAR.