Copenhagen I‘m coming -Great City
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How long is the ROI?
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Probably just a hundred years or so. :P
End of conversation
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This is great! Fire safety also gets more important as building integrated pv panels become popular. Not easy to switch them off, they'll generate electricty with radiated energy from the fire
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Only half?
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If it's only providing half the energy needed, it's not 'mastered' is it,
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One of the good ways to create a green city.
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