How much does a 80 square meter solar panel cost? 1. COST OF AN 80 SQUARE METERS SOLAR PANEL SYSTEM IS APPROXIMATELY $30,000 TO $40,000, 2. INCLUDES INSTALLATION AND SUPPLY COSTS, 4. LONG-TERM SAVINGS ON ENERGY BILLS. 2 kWh/day; with a 30m² area, the total power system produces approximately 156 kWh daily. Average price range typically falls between $15,000 to $30,000, 2. Installation costs can account for about 10%-20% of the total expenses, 3. Area-wise pricing can fluctuate depending on. The following table shows the prices per solar panel, per Wp and per kWh, the number of square meters that these panels occupy, and including installation, materials. Prices for Chinese project will be prices for TOPCon modules instead of PERC from April 2024 onwards.