Home Generator Cost Breakdown: What You''ll Really Pay
We''ll break down the real home generator cost in 2025, what you''ll pay, what affects the price, and how to choose smartly without overspending. Whether you''re prepping
Prices depend on the size, type, fuel source, brand, and accessories. A whole-house natural gas generator costs $3,000 to $6,000 to power an entire home up to 3,000 SF in size while a liquid propane generators cost $2,000 to $6,000 for the unit alone. Whole house diesel generators cost $5,000 to $18,000.
Whole-house standby generators are permanently wired into the electric panel and automatically turn on during a power outage. Whole-home generators cost $30 to $170 per day to run and provide a power source for up to 500 hours continuously or three weeks. Standby generators last 15 to 30 years or 10,000 to 30,000 hours.
A portable gas generator providing 5kW of power can cost about $100 a day to run, depending on gas prices. Installation costs, including any needed concrete work, is part of the total cost.
Natural gas home generators are supplied by the local utility. Despite being connected to the power grid, natural gas is more stable than electric lines, because the fuel is delivered through buried pipes. Natural gas home generators cost between $2,040 to $21,600, with an average price of $11,820.
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