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Footnote 18 is incomplete: Please change " Smil (2006), p. 12" to "Smil, Vaclav (2006) Energy at the Crossroads. oecd.org. Retrieved on 3 June 2012., p. 12" Page number "12" is correct! The document is available via the following pdf-link: http://home.cc.umanitoba.ca/~vsmil/pdf_pubs/oecd.pdf
Sorry but I have no rights to edit the article myself. Thanks!
The Smil (2006) is a rather cumbersome reference note to the actual reference which is listed below in the alphabetical reference section as Smil, Vaclav (2006-05-17). Energy at the Crossroads... with a link to the PDF. So it is there, although the month/day bit is rather unneeded. Vsmith (talk) 16:37, 4 March 2015 (UTC)
There is no issue here. The acronym is perfectly explained in (quote): "Solar power is the conversion of sunlight into electricity, either directly using photovoltaics (PV), or indirectly using concentrated solar power (CSP). CSP systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. PV converts light into electric current using the photoelectric effect."
By the way, Q&As are not helpful. Check the article to find out whether or not the abbreviation in not sufficiently explained (as I did). In this case, I would have identified the question as vandalism (trolling). -- Cheers, Rfassbind-talk 20:46, 22 May 2015 (UTC)
The top figure refers to this source The source states that the incoming energy from the sun is 16 TWy/y. I.e. Every year we receive 16TWy of energy. The current illustration states that every year we receive 16TW or 16 TJ/s/y. The article discusses energy, not power. The source refers to energy per year. The illustration refers to energy per second, normally refered to as power. Why is the unit chanced from TWy/y (or TWh/y) used in the source? I find this confusing. KjellG (talk) 10:47, 29 May 2015 (UTC)