GGSTech ToolsHow this calculator works
Solar size ≈ daily kWh ÷ [peak sun hours × (1 − losses)].
Example: 20 kWh/day, 5 sun hours and 20% losses suggests about 5 kW of panels.
Practical guidance
This tool is designed for fast planning and learning. Enter realistic values and compare the result with nameplate data, local standards and engineering practice before making a final selection.
Frequently asked questions
Is battery size included?
No. This estimates PV array capacity only.
Will actual generation match this?
Actual output varies with location, season, orientation, shading, temperature and equipment.
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