Pump

1 hp well pump running watts and starting watts

Use these values as a planning range only. The conservative default for 1 hp well pump is 2,000 W running and 4,500 W starting.

Load typeLowDefaultHigh
Running watts1,200 W2,000 W2,400 W
Starting watts3,500 W4,500 W6,000 W

Source note

Deep well pump manufacturer tables can exceed generic appliance charts; default is intentionally conservative.

Source reference

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.

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