Solar Pool Pumps

Swimming Pool Energy Consumption

When you multiply 745.7 watts by 2.5 hp, you get 1,864.25 Watts. Energy costs are calculated in kilowatt-hours, and to get kilowatt-hours, you multiply watts by hours and divide by 1,000. So, if you run your pool pump for 8 hours in one day, 1,864.25 multiplied by 8 and divided by 1,000 equals 14.9 kilowatt-hours X 31 Days = 461.9 KW per Month X R 1.25 = R 577.37 per month Ex VAT X 12 = R 6928.50 per year (ESKOM average Domestic Tariff per KW including Services.