How it works
Generator premium per kWh = fuel cost per hour divided by average kW output, minus grid price.
Input definitions
- Generator fuel price per unit
- Enter the value in the labeled unit.
- Fuel used per hour
- Enter the value in the labeled unit.
- Average generator output (kW)
- Enter the value in the labeled unit.
- Grid price per kWh
- Enter the value in the labeled unit.
A worked example
- Generator fuel price per unit
- 3.5
- Fuel used per hour
- 0.7
- Average generator output (kW)
- 3
- Grid price per kWh
- 0.22
Assumptions & limits
Uses only the values entered and does not fetch live prices, fees, rates or eligibility rules. Verify quotes, contracts, measurements and local requirements before acting.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-20. Content checked against the stated method and examples. Our verification approach.
Report an issue with this tool or suggest an improvement ↗
Common questions
What generator output should be used?
Use the average delivered output at the load level being compared, not nameplate maximum.
How does Generator versus grid energy cost calculate the result?
Generator premium per kWh = fuel cost per hour divided by average kW output, minus grid price.
What should I check before using Generator versus grid energy cost?
Uses only the values entered and does not fetch live prices, fees, rates or eligibility rules. Verify quotes, contracts, measurements and local requirements before acting.