Solar & Power
Solar Array Size Calculator
Calculate required PV array size and panel count.
Last validated: Pending
Determine the required DC solar capacity based on daily energy usage, peak sun hours, and system efficiency.
One page. One job. Done.
Calculate required PV array size and panel count.
Determine the required DC solar capacity based on daily energy usage, peak sun hours, and system efficiency.
Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.
Input your usage and sun data
We'll calculate the panels you need.
Auto-generated from the tool's current default or entered inputs.
Use this to compare two input sets and quantify change in key outputs.
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