Generator TCO Calculator

Total cost of ownership over 5–15 years: equipment estimate corridor, fuel at your local prices, and typical maintenance — natural gas vs diesel.

Horizon · 10 yr

Natural gas

Diesel

Natural gas comes out ≈ $2,600 cheaper over 10 years (midpoint of the estimate corridors).

Generator size50kW

20 kW200 kW

Standby hours per year60h/yr

Horizon

Natural gas price · $/therm

Diesel price · $/gal

This tool is a planning aid. It does not replace final engineering review, AHJ determination, or a formal quote. Verify requirements with your AHJ and a licensed engineer.