UNITED UTILITIES GROUP PLC revenue for the last year amounted to 40.59 B MXN, the most of which — 20.35 B MXN — came from its highest performing source at the moment, Wholesale Wastewater Charges, the year earlier bringing 24.71 B MXN. The greatest contribution to the revenue figure was made by United Kingdom — last year it brought UNITED UTILITIES GROUP PLC 40.59 B MXN, and the year before that — 48.64 B MXN.