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📏 Solar System Size Calculator
Accurately size the kW requirements for your roof based on historical energy usage.
🚀 Launch Engine
kWh
hrs
%
Watts
$
/ W
Required Daily Prod.
0.0 kWh
Total Panels Needed
0
Recommended System Size
0.00 kW
Energy Conversion Rate
Usable
Loss
Usage vs Target Generation
| System Installation Metric | Calculated Specification |
|---|---|
| 📅 Base Daily Energy Usage | 0.0 kWh |
| ⚙️ Required Generation (Accounting for Loss) | 0.0 kWh |
| 📏 Est. Roof Space Required | 0 sq ft |
| ⚡ Final Recommended Size | 0.00 kW |
| 💰 Estimated Gross System Cost | $0.00 |
✨ AI Sizing Insight
Calculating array dimensions…
Understanding PV System Sizing
To accurately size a solar array, you cannot just divide your daily usage by your peak sun hours. Solar panels are not 100% efficient due to heat, wiring resistance, and inverter conversions.
The Efficiency Buffer: Standard photovoltaic systems operate at roughly 80% efficiency. This calculator automatically inflates your required daily generation target by dividing your base usage by your efficiency percentage, ensuring your final kW size is large enough to handle real-world losses.
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