What can a 2,000 watt generator run?

These loads fit under 2,000 watts in WattSizer's conservative default model. Treat this as a screening list, then verify real nameplates and starting amps.

ScenarioRunningStartingRecommended
What size generator for a refrigerator and freezer?460 W1,480 W1,800 W
Portable power station size for CPAP overnight85 W85 W200 W
Portable power station for CPAP with humidifier overnight130 W160 W200 W
Apartment outage generator alternatives for fridge, router, and lights265 W765 W1,000 W
Backup power size for oxygen concentrator and phone590 W740 W900 W
Will a 1000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 1000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 1500 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 1500 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 2000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 2000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 2500 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 2500 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 3000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 3000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 3500 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 3500 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 4000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 4000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 5000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 5000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 6500 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 6500 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 7500 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 7500 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 9000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 9000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 12000 watt generator run refrigerator, freezer, and lights?460 W1,480 W1,800 W
Will a 12000 watt generator run refrigerator, TV, router, and laptop?415 W1,435 W1,800 W
Will a 2000 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Will a 2500 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Will a 3000 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Will a 3500 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Will a 4000 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Will a 4500 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Will a 5000 watt inverter generator run RV fridge substitute, router, and fan?265 W765 W1,000 W
Portable power station size for CPAP without humidifier and phone chargers for 8 hours85 W85 W200 W
Portable power station size for CPAP with humidifier, router, and phone for 8 hours155 W185 W300 W
Portable power station size for oxygen concentrator, lights, and phone for 8 hours590 W740 W900 W
Portable power station size for nebulizer and CPAP for 8 hours175 W205 W300 W

Never operate a fuel-burning generator indoors, in a garage, on a porch, or near open windows. Use a listed transfer switch or interlock installed by a qualified electrician for home wiring, and verify actual device nameplates before buying equipment.