We'll be looking to get solar panels within a year so I want to get ones that are top of the line so I don't have to replace them in the near future. What's the most efficient panels you can buy now?
Some of the ones NASA uses only reach 40%. There are some new developments for the commercial install that reach 20%, experimental at 29%. Per panel costs could run you in the $8,000-$10,000 range.
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