OKINAWA ELECTRIC POWER COMPANY INC revenue for the last year amounted to 236.39 B JPY, the most of which — 219.86 B JPY — came from its highest performing source at the moment, Electricity, the year earlier bringing 208.08 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought OKINAWA ELECTRIC POWER COMPANY INC 236.39 B JPY, and the year before that — 223.52 B JPY.