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Install a Generator Cost in Ontario, CA in 2026

Most Install a Generator projects in Ontario, CA cost between $1,900 and $32,000. The typical price is $9,500.

Standby generators are dominated by equipment cost and the gas line run.

Labour and materials in Ontario run about 24% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.

What drives the price

  • Panel capacity and whether an upgrade is needed
  • Running new circuits through finished walls
  • Permit and inspection in your jurisdiction
  • Aluminium wiring or knob-and-tube remediation

Usually included

  • Licensed electrician labour
  • Wire, boxes, breakers and devices

Usually extra

  • Drywall repair after the walls are opened
  • Fixtures you supply
  • Utility service upgrades

Electricians in Ontario, CA

Businesses listed on Google near Ontario, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.

Install a Generator costs nearby

Montclair, CAChino, CAUpland, CAMira Loma, CARancho Cucamonga, CAClaremont, CAPomona, CANorco, CAChino Hills, CAFontana, CA