(2Kw X 1H X 10.86 $RD/kWh)/(38$RD/US$) = $0.57 US per hour
If you run it for a month that is .57*30*24= $410 US monthly if it runs at full capacity all the time.
I used the rate for a bill I just paid today. I think the rate goes up by 8% next month so I think it will be $0.62 US per hour.