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[–] Talc 1 point 0 points (+1|-1) ago  (edited ago)

no it isn't, not unless you're going to invent a whole new definition for efficiency

the ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in.*

A machine producing more than you need doesn't mean it's efficient or inefficient, just means you got more than you need.

The bit which may be inefficient is the giving it away instead of selling it to the nation next door, however it's entirely possible that giving some away is actually the power company paying rental for the roof areas with the panels on, we don't know what the original deal was so we'd only make asses of ourselves by leaping to assumptions.

Nowhere in the article does it say they can't produce enough for the demand, that's entirely your assertion. The article says they can't match supply with demand, which isn't the same at all, and as they're giving it away the inference is that supply is outstripping demand. You appear to have conflated the two and quixotically assumed they're giving it away because they can't make enough of it.

edit: spelling

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[–] JoshuaQuail ago 

I didn’t say they aren’t producing enough for demand, I said they aren’t producing for demand, as in they’re incapable of scaling energy production to match their consumption. Big difference. Learn more about why their system is so shit here - https://www.technologyreview.com/s/601514/germany-runs-up-against-the-limits-of-renewables/

And here - http://instituteforenergyresearch.org/analysis/germanys-green-energy-destabilizing-electric-grids/