How does electricity reach our homes?Online version How does electricity reach our homes? by Miguel Angel Preciado Lopez 1 Electricity is generated 2 The electricity goes to a substation where a transformer increase the voltage 3 High-voltage power lines carry electricity over long distances 4 From the high-voltage power lines, the electricity goes to a substation to reduce the voltage to a safe level. 5 The electricity leaves the substation and goes to electricity providers 6 The electricity enters our homes