Electric water heater (4,500 watts, thermostat cycles): about 3 hours per day. 4.5 kW × 90 hours = **405 kWh** - Refrigerator (150 watts average): 24 hours/day × 30 days × 0.15 kW = **108 kWh** - Lighting (LED throughout, ~200 watts average): 6 hours/day × 30 days × 0.2 kW = **36 kWh** - Computers,