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The Definitive Generator Sizing Guide: How to Calculate Your Backup Power Needs

When investing in a diesel generator for sale, no step is more critical than correctly determining the required size. Sizing your unit accurately ensures you have sufficient backup power South Africa during load shedding while keeping your running costs at an optimised level. An incorrectly sized generator—whether too small or drastically too large—will be inefficient, costly, and can even damage your equipment.