Free Tool
Generator Sizing Calculator
Tell us what you need to power and we'll estimate the right generator capacity — in seconds, with no sign-up.
24/7 Engineering Solutions
Tell us what you need to power and we'll estimate the right generator capacity — in seconds, with no sign-up.
Start from a preset that fits your site.
Fine-tune quantities and run hours.
See your range, then book in minutes.
Step 1
Pick a use case to start with a sensible list, then fine-tune it below.
Step 2
Your list is empty. Pick a use case above or add appliances from the library below.
Library
Tap to add. Adjust quantity and hours afterwards.
Your estimate
Recommended generator size
No load selected yet