Do you believe that solar enrgy is the most cost efficient type of renewable enery? Is it not quite epensive for the

Question: Do you believe that solar enrgy is the most cost efficient type of renewable enery? Is it not quite epensive for the amount of energy it produces?
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Asked by xxgracexx to Matthew on 19 Jun 2013.
- Matt Carnie answered on 19 Jun 2013:
  
  It is currently expensive but it’s getting cheaper all the time. The type of technologies I currently work on use very cheap materials and so hopefully, in a few years time there will be cheap solar panels available. Our goal where I work is to turn buildings into mini power stations by using solar power producing roofs.

Question: Do you believe that solar enrgy is the most cost efficient type of renewable enery? Is it not quite epensive for the amount of energy it produces?