Unlike fossil fuel based technologies, solar power does not lead to any harmful emissions during operation, but the production of the panels leads to some amount of pollution. One megawatt solar power can save 88,932/5 tons of CO2 a year, 24,678,630,000,000/17 btus of energy, 6,855,175/1,122 tons of Al , 296,440,000 gallons of H2O , (equal to 741,100 trees)