Example calculation
SolarLab uses the current project values to show how the recommendation changes.
Interactive calculator
Appliance load calculator
Build a household load schedule and pass the resulting energy and connected load into the other calculators automatically.
No account Instant result PDF export
1Tell us what you knowUse the simple fields first.
2See the recommendationSolarLab explains what the number means.
3Refine or downloadContinue only when the result makes sense.
Appliances
Do not rely on one number alone
Check the result against actual equipment and site conditions.
Is this installation-ready?
No. It is a planning estimate that should be verified by qualified professionals.
How was this calculated?
Calculation method
Formula
The calculator uses the displayed inputs and standard planning relationships.
Important assumptions
Read the full methodology and update history → Verify the final design against actual equipment data sheets, site conditions, and applicable requirements.