Which fuel is most cost effective?
Natural gas is the cheapest fuel to run a generator on a per-kWh basis — approximately $0.10–$0.25/kWh delivered. Propane is next at $0.20–$0.40/kWh. Diesel runs $0.25–$0.45/kWh. Gasoline is the most expensive at $0.30–$0.60/kWh. However, the total cost of ownership depends on generator purchase price, maintenance intervals, engine life at that […]






