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View Diary: Germany now has 1.3 million solar energy systems which generated 28 billion kilowatt hours in 2012 (139 comments)

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  •  ANd you don't consider energy efficiency (5+ / 0-)
    Recommended by:
    Mindful Nature, HoundDog, IM, BYw, adrianrf

    German building standards for new builds are draconian, with financial incentives for exceeding the minimum.

    Also, when you mount solar panels on existing roofs, you keep them cooler in Summer and warmer in Winter, reducing their carbon footprint, which is why many supermarkets and banks have covered their roofs in solar panels.

    •  Not draconian enough. (3+ / 0-)
      Recommended by:
      HoundDog, IM, BYw

      The current center-right German govt. is getting criticized a lot on that front, as a huge opportunity has been missed over the past 5 to 10 years to integrate solar heating systems into the building code.

      "A candle loses nothing by lighting another candle" - Mohammed Nabbous, R.I.P.

      by Lawrence on Wed Jan 09, 2013 at 04:21:58 PM PST

      [ Parent ]

      •  Building codes are about reducing consumption (0+ / 0-)

        not generation.

        As my post elsewhere states, some buildings are not suitable for solar installations - like my house - which due to topography would not be an efficient place to mount solar panels. We just don't get enough sun., and the roof orientation is sub optimal due to the roughly East West run of the street.  OUr roof faces South West, Whereas I get sun in Summer from around 12.pm to 9 pm, my neighbor ( our houses are joined) gets almost zero sun on his roof. Placing a solar panel there would be a total stupidity.

        •  Imagine a world where (3+ / 0-)
          Recommended by:
          Lawrence, adrianrf, Roger Fox

          roofs and buildings can be oriented with a proper southern exposure even if... gasp... this means the house placement is adjusted to the sun instead of the street. :-)

          Fry, don't be a hero! It's not covered by our health plan!

          by elfling on Wed Jan 09, 2013 at 09:20:58 PM PST

          [ Parent ]

        •  Yep, it can be really hard to do with older houses (1+ / 0-)
          Recommended by:
          Roger Fox

          I'm talking about the building code for new houses, though, where integrating solar water heating and heating systems actually ends up saving the homeowner or renters lots of money in the long run.  Germany could be much further along the road with reducing greenhouse gases if it had had a building code that requires this for new housing.

          With new housing, roofs can be built to face the sun, no matter what kind of street it is.

          Placing a pv solar panel on a roof that receives sun from 12 p.m. to 9 p.m. is far from "total stupidity", btw.  Any roof facing south in the northern hemisphere is fine, even it it is SW or SE.

          "A candle loses nothing by lighting another candle" - Mohammed Nabbous, R.I.P.

          by Lawrence on Thu Jan 10, 2013 at 06:47:07 AM PST

          [ Parent ]

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