Electricity

Hi, I just recently moved in at Randburg square last week, I pay R300 for electricity on Monday the 5th of July 2021, but then again on Wednesday the 7th July 2021 when I was just about to walk out, the lights went out again, I paid another R300 this morning the 8th of July 2021, I received an SMS saying they've allocated the payment, moments later another SMS saying I need to pay before my lights go out again... I don't know what to do now...R600 but it's just been 3 days staying there... Please help.