The solar panel cost per square meter, including all labor and system components, is approximately $6,000. Monthly electric savings equal. The cost of photovoltaic (PV) systems per square meter varies significantly based on several factors. The primary cost drivers include: Module quality: Modern, high-efficiency premium panels fall within the. How much you pay for your new solar panels depends mainly on the number of kWh you want to generate with them. If you prefer to look at the 11 square foot, one panel will occupy an average of 18 square foot. Factors such. The all-in-one U. solar calculator — enter your ZIP code and electricity bill, and it returns your recommended system size in kW, the number of panels, the roof area you need, the gross install cost, the annual savings, the payback period, the 25-year lifetime profit, and the CO₂ offset.