Solar Size Calculator
Estimate your ideal solar system size & monthly savings in minutes
⚡ Electricity & Location
Check your electricity bill for monthly units consumed.
Pakistan average: 4–6 hrs/day. Karachi ~5.4, Lahore ~5.8.
₨
Check your electricity bill for per-unit rate. Default ~Rs 62.
Determines inverter sizing and battery recommendations.
🔧 System Parameters
80%
Default 80%. Lower for shading/dust, higher for advanced setup.
Common panel sizes in Pakistan: 580W – 910W.
20%
Extra capacity buffer for cloudy days & future load growth.
₨
Installed cost per kW. Typical 2025 range: Rs 120,000–180,000/kW.