How efficient is solar energy compard to other energies? http://www.greenstudentu.com 0% 0 Votes

Solar and wind have to be better than fossil fuels!! 0% 0 Votes

I%26#039;d like to echo Don%26#039;s point.

Photovoltaic solar panels are not very %26quot;efficient%26quot; in that they only collect about 10% to 15% of the solar energy that hits them. But since that supply of energy is both limitless (assuming no space constraints) and free, it really doesn%26#039;t matter too much how %26quot;efficient%26quot; they are.

The reason we care about energy efficiency is when there is some cost to the fuel. 33% 1 Vote