QATAR ELECTRICITY AND WATER QPSC revenue for the last year amounted to 2.91 B QAR, the most of which — 1.50 B QAR — came from its highest performing source at the moment, Electricity, the year earlier bringing 1.34 B QAR. The greatest contribution to the revenue figure was made by Qatar — last year it brought QATAR ELECTRICITY AND WATER QPSC 2.76 B QAR, and the year before that — 2.64 B QAR.