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Generator Sizing & Fuel Consumption Calculator

Accurately calculate starting surge, running kW requirements, and continuous fuel burn rates for standby and prime backup generators.

1. Electrical & Fuel Setup

2. Select Electrical Loads

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Recommended Generator Size

14kW(Includes 25% safety margin)

Total Running Load

6.8 kW

~28 Amps @ 240V

Starting Peak Surge

13.1 kW

Motor inrush buffer

Fuel Burn & Outage Runtime

50% Half-Load Burn

1.19 gal/hr

100% Full-Load Burn

1.96 gal/hr

Estimated Outage Autonomy

~210.1 Hours (8.8 Days)

Continuous runtime at typical 50% load on a 250 gallon tank.

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