What will a 8,000 watt generator run
An 8,000 watt generator runs 25 out of 25 common home loads on their own. About 10,000 starting watts tell you if a pump or an air conditioner will start.
Loads an 8,000 watt generator runs
| Load | Running | Starting | Verdict |
|---|---|---|---|
| Refrigerator | 400 W | 1,200 W | runs |
| Chest or upright freezer | 500 W | 1,000 W | runs |
| Sump pump, 1/3 hp | 800 W | 1,600 W | runs |
| Sump pump, 1/2 hp | 1,050 W | 2,150 W | runs |
| Well pump, 1/2 hp | 1,000 W | 2,000 W | runs |
| Well pump, 1 hp | 2,000 W | 4,000 W | runs |
| Window AC, 5,000 BTU | 600 W | 1,200 W | runs |
| Window AC, 10,000 BTU | 1,200 W | 2,400 W | runs |
| Electric water heater | 4,500 W | no surge | runs |
| Electric dryer | 6,000 W | no surge | runs |
| Electric range, one burner | 2,400 W | no surge | runs |
| Dishwasher | 2,400 W | no surge | runs |
| Microwave | 1,200 W | no surge | runs |
| Washing machine | 1,000 W | 2,300 W | runs |
| Space heater | 1,500 W | no surge | runs |
| TV, 32 to 55 in | 400 W | no surge | runs |
| LED lights, 10 bulbs | 150 W | no surge | runs |
| Ceiling fan | 75 W | no surge | runs |
| Window fan | 200 W | no surge | runs |
| CPAP, no heated humidifier | 60 W | no surge | runs |
| CPAP with heated humidifier | 120 W | no surge | runs |
| Internet router and modem | 20 W | no surge | runs |
| Home security system | 40 W | no surge | runs |
| Phone and laptop chargers | 100 W | no surge | runs |
| EV charger, Level 2, 32 A | 7,680 W | no surge | tight |
A load works if its running watts stay within 8,000 W and its start stays within 10,000 W; "tight" means running watts above 6,400 W. Look at the label on your own model to find its starting watts. In Champion's published chart, every wattage sits at the top of the range. You will find more loads in the appliance wattage chart.
Running loads together
| Together | Running | Peak at start | Verdict |
|---|---|---|---|
| Fridge, freezer, lights, router, TV | 1,470 W | 2,270 W | runs |
| Fridge, 1/2 hp sump pump, lights, router | 1,620 W | 2,720 W | runs |
| Fridge, 1 hp well pump, microwave, lights | 3,750 W | 5,750 W | runs |
| Fridge, window AC 10,000 BTU, lights, TV | 2,150 W | 3,350 W | runs |
| Fridge, space heater, microwave, lights | 3,250 W | 4,050 W | runs |
As the motors start one by one, the running watts add up, and the largest starting wattage is the only amount added on top.
How much gasoline per hour
Gasoline is priced at the EIA US average, $4.269 a gallon. A portable generator operates 20 ft from the house, outdoors only, and it hooks up using an interlock kit or a transfer switch. A dryer outlet is never an option.
Sizes: 7,500 watt 10,000 watt All