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pianotuna's avatar
pianotuna
Nomad III
May 24, 2015

76 cents per watt

Hi,

Poly Solar panels which need an MPPT controller:

0.76 per watt
  • At least the price is coming down.
    Hopefully someday (soon) we can all afford to cover our house and garage roofs with solar panels.
  • Interesting that they come from Germany (Bavaria).
    Not China.
  • I'm waiting for full spectrum (multilayer) solar cells - so much light is wasted by current solar, they cherry pick only the green-blue parts of the spectrum. Need ones that harvest deep infrared to short ultraviolet. There's not so much short UV, but the little that does arrive packs a wollop in much higher energy levels.

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