What homeowners pay for backup generator installation, 12+ kW
Every receipt below is a real 12+ kW job a homeowner paid for, 6 nationwide so far. No contractor estimates, no scraped guides. Size is the biggest price lever on this job, so this slice is the honest comparison.
Built by Connor, a homeowner. Real receipts only. Why this exists →
Installation of a 12+ kW backup generator typically ranges from $4,000 to $17,000, with most homeowners in the database reporting costs between $13,550 and $14,937. The median cost reported is $14,375. Prices vary based on factors like generator capacity, fuel type, site conditions, and local labor rates.
Backup Generator Installation at other sizes
The receipts
Every receipt below is a real homeowner report behind this page.
Just had a Generac 24kW backup generator installed this week in Houston for including installation, pre-made slab, gas line, and wiring in conduit along the house.
Installed a 20kw Cummins whole house generator for $14k with Conway in 2021.
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Scope and write-up hidden until contributor access.
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