Maximum Demand Calculation Repack Jun 2026

If you simply added every appliance's maximum power rating, your electrical system would be massive and expensive.

Why does this matter? Because utility companies do not just charge for energy consumed (kWh); they charge for the peak rate of consumption (MD). A factory that runs smoothly at 100 kW for 24 hours pays less in demand charges than a factory that sits idle for 23 hours but spikes to 500 kW for one 15-minute interval. maximum demand calculation