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English: The green line shows Swanson's law, a 20% decrease in price for every doubling of cumulative shipped photovoltaics. The blue line shows actual world wide module shipments vs. average module price, from 1976 ($104/Wp) to 2016 ($0.37/Wp). Prices are in 2015 dollars. The actual decrease has been slightly greater than a 20% decrease with each doubling.

Data is from Figure 46, ITRPV Edition 2016, ITRPV Edition 2017 - Presentation.

  • compare to current spot-market prices here.
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Author Delphi234
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22 May 2015

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Date/TimeThumbnailDimensionsUserComment
current 11:35, 2 February 2019 Thumbnail for version as of 11:35, 2 February 2019800 × 600 (15 KB)Mikhail Ryazanovcured capitalitis, square dollars, and degenerate minus
23:04, 12 October 2017 Thumbnail for version as of 23:04, 12 October 2017800 × 600 (15 KB)Delphi234update
00:13, 3 May 2016 Thumbnail for version as of 00:13, 3 May 2016800 × 600 (15 KB)Delphi234add lines
17:44, 2 May 2016 Thumbnail for version as of 17:44, 2 May 2016800 × 600 (14 KB)Kopiersperregerman translation
10:13, 2 May 2016 Thumbnail for version as of 10:13, 2 May 2016800 × 600 (14 KB)Delphi234update
18:44, 25 May 2015 Thumbnail for version as of 18:44, 25 May 2015939 × 709 (31 KB)Delphi234legend
18:01, 25 May 2015 Thumbnail for version as of 18:01, 25 May 2015939 × 709 (30 KB)Delphi234translation
21:24, 24 May 2015 Thumbnail for version as of 21:24, 24 May 2015939 × 709 (30 KB)Delphi234legend
21:03, 24 May 2015 Thumbnail for version as of 21:03, 24 May 2015939 × 709 (30 KB)Delphi234annotate
02:12, 24 May 2015 Thumbnail for version as of 02:12, 24 May 2015939 × 709 (29 KB)Delphi234replace dataset
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