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    This is an 8.5 kWp photovoltaic (solar energy) power plant, situated on the B31 in Freiburg, Germany. It is shown facing east, the camera pointing southwest.

    It has two axes (can turn and tilt) and follows the sun - not by measuring the sun's position through a light-intensity meter but by following a preset path, changing each day of the year based on longitude and the astronomical cycle.

    This power station was manaufactured and installed by Solon AG (Germany), was commissioned and is operated by SAG AG (Germany). As in all photovoltaic systems, it converts some of the energy carried by photons into a direct electrical current. This system then uses an inverter to change the direct current into alternating current before feeding that power into the electricity grid.

    Price: approx. USD $60K, EUR € 45K

    Censored_by_flickr, and 23 other people added this photo to their favorites.

    1. Yahoo! Answers Editorial 89 months ago | reply

      Hi Schwarzerkater,

      We liked your image so much, we decided to use it on the Yahoo! Answers front page.


      Yahoo! Answers Editor

    2. ThePanelist 86 months ago | reply

      Hello: Great photo that we would like to use on our site, Please let us know if you have any objections, as we are not offering compensation.

    3. Neubie 86 months ago | reply

      Beautiful photo.

    4. 72 months ago | reply

      We used your photo over at Thank you!

    5. solarshingles 71 months ago | reply

      Thank you very much for this beautiful photo! It was used on blog

    6. beaterbar1 68 months ago | reply


      I am a researcher that is currently writing up a project for publication in an academic journal and I would like to use your photo in part of a diagram. It appears that the creative commons agreement allows for this possibility, but I thought that I would let you know so that we can properly attribute you in the references. Would you mind sending me an email with how you would like this to be cited? My address is:

    7. Boojitsu21 67 months ago | reply

      I am the web admin for SVTC ( and we are releasing a fact sheet about photovoltaic solar cells. I was hoping to use this image on the fact sheet if you would allow us. Please e-mail me at with your decision. Thank you very much.

    8. Schwarzerkater 67 months ago | reply

      So listen up people.

      This picture is licensed with a creative commons no derivatives attribution license. This means that if you follow those terms (no artistic re-interpretation, attribution to me "Schwarzerkater" you can use the picture freely.

      If you require a different license agreement you should contact me, otherwise just use the image for your website / project and cite this page as the source.


    9. solificatti 66 months ago | reply

      Hi Schwarzerkater,

      My name is Paulo and i speak from Brazil, the company i work is doing a study about the photovoltaic energy. We do not have a way to compensate or pay for your image but it will get exposure and we assure you'll be in the credits.

      The company I work for is You can check other publications of ours. We tipically use photos from photostocks but I could not find anything interesting, like your photos.

      I hope you agree. If you do, and if you have simirar images with the same theme, and if you could send us, we will need the highest resolution available, since we plan to use it on a banner and the front cover of the report.

      Thanks and I look forward to hearing from you soon.


    10. antaldaniel 63 months ago | reply

      Hi, I'm an admin for a group called Creative Commons Energy, and we'd love to have this added to the group!

    11. LunarVirage 60 months ago | reply

      This is a really clear and beautiful photo. Wonderful work; it's just so pretty ^_^

    12. Ferraloro Energia 55 months ago | reply

      Hi Schwarzekater, our farm deals with photovoltaic energy. We are looking for a beautiful picture of a no-integrated system in order to publish it on our commercial depliant. I would like to know if we can use this wonderful image for free (giving you credits).
      I wait for your answer. Thank you.

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