Calculation and Interpretation of Electricity Bill, Water Supply and Other Supply Bills

We rarely think about the numbers on a utility bill until we have to pay them, but each figure tells a story of consumption, rate, and fixed charges. Understanding how an electricity or water bill is calculated means knowing the difference between a unit consumed and the cost per unit, and how slabs or tiers can change the final amount. This section gives you the practical arithmetic to decode those bills yourself, turning abstract percentages and rates into a clear, itemised total. Once you m …