Prepaid electricity meters are increasingly popular in South Africa, allowing landlords to charge tenants in advance for electricity usage, thus ensuring payment before consumption. These meters operate by using unique codes for purchasing electricity tokens, which are entered into the meter to activate power. The shift towards prepaid systems benefits municipalities by providing upfront payments, reducing the risk of revenue loss from non-paying tenants. Modern alternatives, like smart meters, offer advanced features such as two-way communication and emergency credits, enhancing the prepaid experience. Potential thesis topics include analyzing how prepaid customers manage electricity usage and the impact of variable billing rates on consumption patterns.