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View Diary: This graph shows why solar power will take over the world (377 comments)

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  •  No, it has to be cheaper than (0+ / 0-)

    utility scale PV. Otherwise, there's no reason to install more expensive when you can buy less expensive.

    We are all in the same boat on a stormy sea, and we owe each other a terrible loyalty. -- G.K. Chesterton

    by Keith Pickering on Tue Dec 24, 2013 at 01:28:40 AM PST

    [ Parent ]

    •  ? (2+ / 0-)
      Recommended by:
      Bronx59, JeffW

      Does your utility give you free shingles & installation?  

      "My country, right or wrong; if right, to be kept right; and if wrong, to be set right." -- Sen Carl Schurz 1872

      by Calamity Jean on Tue Dec 24, 2013 at 10:14:22 AM PST

      [ Parent ]

      •  Does your PV installer? (0+ / 0-)

        There is no free lunch. If anybody is "giving" you anything, it's because they're gouging you on some other aspect of the price. Or gouging the taxpayer, which amounts to the same thing.

        We are all in the same boat on a stormy sea, and we owe each other a terrible loyalty. -- G.K. Chesterton

        by Keith Pickering on Tue Dec 24, 2013 at 05:51:58 PM PST

        [ Parent ]

        •  Not necessarily. (0+ / 0-)
          If anybody is "giving" you anything, it's because they're gouging you on some other aspect of the price.
          There's things that combine several functions and are less expensive than the same functions uncombined.  Think of a combination radio and CD player.  It will cost more than just-a-radio and more than just-a-CD-player, but it will cost less than having both a separate radio and a separate CD player.  Are the merchants that sell you a combination radio + CD player gouging you because they charge less than the prices for separate things?  No, and they aren't gouging the taxpayer either.  

          Similarly, building-integrated solar is one product that performs two functions; it keeps rain out like shingles and it turns sunshine into electricity like solar panels.  It will cost more than just-shingles and more than just-solar-panels, but it will cost less than just-shingles plus just-solar-panels.  It will cost more to install than shingles alone, and more than solar panels alone, but less than shingles plus solar panels, because the installers only need to make one pass over the roof.    

          It's not gouging.  It's combining.  

          "My country, right or wrong; if right, to be kept right; and if wrong, to be set right." -- Sen Carl Schurz 1872

          by Calamity Jean on Wed Dec 25, 2013 at 09:47:18 PM PST

          [ Parent ]

          •  Still missing the point. (0+ / 0-)

            So you're building a building, and you have three choices:
            A. You can build a standard building and get grid power.
            B. You can build a standard building and put up standard solar panels.
            C. You can install Building Integrated PV.

            You're saying C is the best option because it's cheaper than B. I'm saying that doesn't matter, because the cheapest option is still A.

            We are all in the same boat on a stormy sea, and we owe each other a terrible loyalty. -- G.K. Chesterton

            by Keith Pickering on Thu Dec 26, 2013 at 08:10:16 PM PST

            [ Parent ]

            •  Yet more and more people are choosing B (0+ / 0-)

              the panels as part of the building are proving to be
              cheaper then Grid power.

            •  Not really. (1+ / 0-)
              Recommended by:
              JeffW
              I'm saying that doesn't matter, because the cheapest option is still A.  
              Options A and B are within pennies of each other in price, and option A leaves the building owner vulnerable to future price increases.  Having a fixed, reliable cost for electricity is worth something, even if it's a penny or two more per kW than the current cost of grid power.  Since C is (slightly) cheaper than B, it is the cheapest option.  

              "My country, right or wrong; if right, to be kept right; and if wrong, to be set right." -- Sen Carl Schurz 1872

              by Calamity Jean on Sun Dec 29, 2013 at 07:11:31 PM PST

              [ Parent ]

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