Calculate how many solar panels you need and what charge controller size is recommended.
Your total daily energy usage in Wh. Use the Battery Bank Calculator to determine this. Use the Battery Bank Calculator to determine your daily consumption.
Watt-peak (Wp) rating per panel.
Average peak sun hours. Netherlands average: 3–4 hours. Southern Europe: 5–6 hours.
Accounts for controller loss, wiring, temperature and panel angle. Typical: 70–80%.
Fill in all fields to calculate your solar setup.
This calculation is indicative. Actual output depends on weather, angle, temperature and shading.