Whole House Generator Installation in Norman, OK

Cost, sizing, and how to reach a local installer.

A whole house standby generator installed in the Norman / Oklahoma City area typically runs $6,000–$11,000for the generator and installation combined, with a wider range of $1,500–$15,000 depending on home size, fuel type, and site complexity. Most installs take one to two weeks once permits and utility connections are in place.

What moves the price: generator size (kW), whether you're running natural gas or propane, how far the unit sits from your electrical panel and gas meter, and whether a new concrete pad is needed. Permits typically add $150–$500 and both electrical and gas work require inspection.

Cost breakdown

  • β€”Portable / partial-home (7–20kW): $2,000–$6,300
  • β€”Whole-house (22–48kW): $5,000–$18,000
  • β€”Propane tank installation (if no gas line): +$5,000–$8,000
  • β€”Annual maintenance after install: $200–$600/year

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Smith Power Systems LLC serves the Norman, OK area with generator sales, installation, and service. smithpowersystems.com