Fuel consumption for generators is typically measured in gallons per hour (GPH) and depends on several factors, including the generator’s size (measured in watts), the load it’s carrying (how much power is being used), and the engine’s efficiency. A small portable generator might consume around 0.5 GPH at 50% load, while a large standby generator could use several gallons per hour under full load. Understanding this consumption rate is essential for budgeting operating costs and ensuring adequate fuel supply.
Accurately estimating fuel usage allows for effective planning during power outages or off-grid operations. This knowledge helps determine the necessary fuel reserves for a given timeframe, preventing inconvenient interruptions. Historically, generator efficiency has significantly improved, leading to lower fuel consumption and reduced operating costs. From carbureted engines to modern inverter technologies, advancements in generator design have prioritized fuel economy alongside power output.