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Originally Posted by sheepdog 44
^ Is that all the land on earth, or just the usable land (dessert city etc.) Lets not forget wind, tidal, Geo, infrared etc. Far more than enough renewable energy potential.
There's storage of that excess energy during the day to deal with too, like a "green" battery.
The one thing i don't like about solar is that the lifespan of a panel is anywhere from 20-40 years. If you're going to be making macro scale installations, you're not going to want to replace the whole thing every half a century.
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If it were even possible to do this, I bet that it would take 20-40 years, and hopefully technology would keep pace with increasing demand, since by the time we would finish, we would need to start replacing them.