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This is an old revision of this page, as edited by Fullstop (talk | contribs) at 16:41, 23 October 2008 (→Proposal 5: m fix). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Lead section

Original

(September 2008)

Solar energy refers to the utilization of the radiant energy from the Sun. Solar power is used interchangeably with solar energy, but refers more specifically to the conversion of sunlight into electricity by photovoltaics, concentrating solar thermal devices, or by an experimental technology such as a solar chimney or solar pond.

Solar energy and shading are important considerations in building design. Thermal mass is used to conserve the heat that sunshine delivers to all buildings. Daylighting techniques optimize the use of light in buildings. Solar water heaters heat swimming pools and provide domestic hot water. In agriculture, greenhouses expand growing seasons and pumps powered by solar cells (known as photovoltaics) provide water for grazing animals. Evaporation ponds are used to harvest salt and clean waste streams of contaminants.

Solar distillation and disinfection techniques produce potable water for millions of people worldwide. Simple applications include clotheslines and solar cookers which concentrate sunlight for cooking, drying and pasteurization. More sophisticated technologies concentrate sunlight for high-temperature material testing, metal smelting and industrial chemical production. A range of experimental solar vehicles provide ground, air and sea transportation.

Proposal

(22:04, 7 October 2008)

Solar energy is heat and light from the sun. This energy resource powers the climate and weather and sustains life on Earth. Solar radiation along with secondary solar resources such as wind and wave power, hydroelectricity and biomass account for over 99.97% of the available flow of renewable energy on Earth.

Solar energy technologies can provide daylighting and thermal comfort in passive buildings; potable water via distillation and disinfection; water and space heating; space cooling by absorption or vapor-compression refrigeration; high temperature process heat for industrial purposes; and electrical generation by thermal or photovoltaic means.

Interim

(formerly identified as "current version")

Solar energy uses the light and radiant heat from the Sun which powers Earth's climate and weather and sustains life. Since ancient times it has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources such as wind and wave power, hydroelectricity and biomass account for most of the available renewable energy on Earth.

The term solar power is used interchangeably with solar energy, but refers more specifically to the conversion of sunlight into electricity by photovoltaics, concentrating solar thermal devices, or by an experimental technology such as a solar chimney or solar pond.

Solar energy technologies can provide daylighting and thermal comfort in passive buildings, potable water via distillation and disinfection, hot water and space heating, space cooling by absorption or vapor-compression refrigeration, thermal energy for cooking, high temperature process heat for industrial purposes, and transportation.

Revised Proposal

Solar energy uses the light and radiant heat from the Sun, that powers Earth's climate and weather and sustains life. Since ancient times it has been harnessed for human use with a variety of technologies. Solar radiation along with secondary solar resources such as wind and wave power, hydroelectricity and biomass account for most of the available renewable energy on Earth.

Solar power is used synonymously with solar energy, but refers more specifically to the conversion of sunlight into electricity by photovoltaics, concentrating solar thermal devices, or by an experimental technology such as a solar chimney or solar pond.

Solar energy technologies can provide daylighting and thermal comfort in passive buildings, potable water via distillation and disinfection, hot water and space heating, space cooling by absorption or vapor-compression refrigeration, thermal energy for cooking, high temperature process heat for industrial purposes, and transportation. < add missing items, make into sentences where possible >

< add a third or third and fourth paragraph >

Consensus version

17:44, 14 October 2008 (UTC)

Solar energy is the light and radiant heat from the Sun that influences Earth's climate and weather and sustains life. Solar power is the rate of solar energy at a point in time; it is sometimes used as a synonym for solar energy or more specifically to refer to electricity generated from solar radiation. Since ancient times solar energy has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources such as wind and wave power, hydroelectricity and biomass account for most of the available flow of renewable energy on Earth.

Solar energy technologies can provide electrical generation by heat engine or photovoltaic means, daylighting and space heating in passive solar and active solar buildings, potable water via distillation and disinfection, hot water, space cooling by absorption or vapor-compression refrigeration, thermal energy for cooking, and high temperature process heat for industrial purposes.

Further changes (proposal)

Solar energy uses the light and radiant heat from the Sun, which is the energy source for Earth's climate and weather and sustains life. Solar power, often used interchangeably with solar energy, refers to electricity generated from solar radiation. Since ancient times solar energy has been harnessed for human use through a range of technologies. Solar radiation along with secondary solar resources such as wind and wave power, hydroelectricity and biomass account for most of the available renewable energy on Earth.

Solar energy technologies can provide electrical generation by heat engine or photovoltaic means, daylighting and space heating in passive solar and active solar buildings, potable water via distillation and disinfection, hot water, space cooling by absorption or vapor-compression refrigeration, thermal energy for cooking, and high temperature process heat for industrial purposes.

Table proposals

From RfM

Yearly Energy Sources & Annual Energy Consumption
Solar [1] 3850.00 ZJ
Wind [2] 2.25 ZJ
Biomass [3] 3.00 ZJ
Electricity (2005) [4] -0.06 ZJ
Primary energy use (2005) [5] -0.49 ZJ

Correction to wind/solar data

Yearly energy resources & annual energy consumption
Solar [6] 2710.00 ZJ
Wind [6] 27.45 ZJ
Biomass [7] 3.00 ZJ
Electricity (2005) [8] -0.06 ZJ
Primary energy use (2005) [9] -0.49 ZJ

Proposal 1

Energy resources and consumption
Solar [6] 86,000.00 TW
Wind [6] 870.00 TW
Biomass [10] 90.00 TW
Electricity (2005) [11] -1.80 TW
Primary energy use (2005) [12] -15.47 TW

Proposal 2

Source and Use Total Physical Suppy Technical Potential
Solar 3,850 ZJ [13] 3.38 ZJ [14]
Wind 110 ZJ [15] 2.25 ZJ [16]
Biomass 3.0 ZJ [17] 0.104 ZJ [18]
Hydro 0.367 ZJ [19] 0.052 ZJ [20]
Electricity (2005) --- 0.0567 ZJ [21]
Primary energy use (2005) --- 0.487 ZJ [22]

Proposal 3

Resources Total Physical Suppy Technical Potential
Solar 3850 ZJ [23] 3.38 ZJ [24]
Wind 110 ZJ [25] 2.25 ZJ [26]
Biomass 3.0 ZJ [27] 0.104 ZJ [28]
Hydro 0.367 ZJ [29] 0.052 ZJ [30]
Electricity (2005) --- 0.0567 ZJ [31]
Primary energy use (2005) --- 0.487 ZJ [32]

Proposal 4

Source and Use Total Physical Supply Technical Potential
Solar 3,850,000 EJ [33] 3,380 EJ [34]
Wind 110,000 EJ [35] 2,250 EJ [36]
Biomass 3,000 EJ [37] 104 EJ [38]
Hydro 367 EJ [39] 52 EJ [40]
Electricity (2005) --- 57 EJ [41]
Primary energy use (2005) --- 487 EJ [42]
  • if needed, explanatory notes (e.g. definitions) could go here here...

Proposal 5

Annual energy resources and consumption
Resource and use Total supply Technical potential Current use
Solar 3,850,000 EJ [43] 3,380 EJ [44] † xx (2007)
Wind 110,000 EJ [45] 795 EJ [46] † xx (2007)
Biomass 3,000 EJ [47] 104 EJ [48] xx (2007)
Geothermal xx xx xx (2005)
Hydro 367 EJ [49] 52 EJ [50] xx (2005)
Electricity 57 EJ (2005)[51]
Primary energy use 487 EJ (2005)[52]
  • † The capacity factor for wind is assumed to be 0.35, and solar 0.20 using xx% efficiency.

Proposal 5.1

Same as proposal 5 while ...

  • sticking with the color scheme defined by "wikitable"; if used it ought to be used consistently
  • not using attributes deprecated since 1999/HTML 4.01
    (and also not supported in the XHTML 1.0 DTD, which WP pages ought to adhere to);
  • not muddle css (presentation) and html (content)

ALSO: a) Citations are complete in this version. b) The caption ref placeholder is '&#160;'

Annual energy resources and consumption
Resource and use Total supply Technical potential Current use
Solar 3,850,000 EJ [53] 3,380 EJ [54] † xx (2007)
Wind 110,000 EJ [55] 795 EJ [56] † xx (2007)
Biomass 3,000 EJ [57] 104 EJ [58]   xx (2007)
Geothermal xx xx   xx (2005)
Hydro 367 EJ [59] 52 EJ [60]   xx (2005)
Electricity       57 EJ (2005)[61]
Primary energy use       487 EJ (2005)[62]
  • † The capacity factor for wind is assumed to be 0.35, and solar 0.20 using xx% efficiency.

References

  1. ^ Smil (2006), p. 12
  2. ^ Archer, Cristina. "Evaluation of Global Wind Power". Stanford. Retrieved 2008-06-03. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  3. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  4. ^ "World Total Net Electricity Consumption, 1980-2005". Energy Information Administration. Retrieved 2008-05-25.
  5. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2004". Energy Information Administration. Retrieved 2008-05-17.
  6. ^ a b c d GCEP
  7. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  8. ^ "World Total Net Electricity Consumption, 1980-2005". Energy Information Administration. Retrieved 2008-05-25.
  9. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2005". Energy Information Administration. Retrieved 2008-10-20.
  10. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  11. ^ "World Total Net Electricity Consumption (Billion Kilowatthours), 1980-2005". Energy Information Administration. Retrieved 2008-10-20.
  12. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2005". Energy Information Administration. Retrieved 2008-10-20.
  13. ^ Smil (2006), p. 12
  14. ^ de Vriesa,Bert J.M. Detlef P. "Renewable energy sources: Their global potential for the first-half of the 21st century at a global level: An integrated approach" (PDF). Energy Policy. Retrieved 2008-05-25. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  15. ^ Lorenze (1976), p. X
  16. ^ Archer, Cristina. "Evaluation of Global Wind Power". Stanford. Retrieved 2008-06-03. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  17. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  18. ^ Kyritsis, Spyros (2001). 1st World Conference on Biomass for Energy and Industry. Earthscan. ISBN 1902916158, 9781902916156. {{cite book}}: Check |isbn= value: invalid character (help)
  19. ^ Smil (2006), p. 245
  20. ^ Smil (2006), p. 246
  21. ^ "World Total Net Electricity Consumption, 1980-2005". Energy Information Administration. Retrieved 2008-05-25.
  22. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2004". Energy Information Administration. Retrieved 2008-05-17.
  23. ^ Smil (2006), p. 12
  24. ^ de Vriesa,Bert J.M. Detlef P. "Renewable energy sources: Their global potential for the first-half of the 21st century at a global level: An integrated approach" (PDF). Energy Policy. Retrieved 2008-05-25. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  25. ^ Lorenze (1976), p. X
  26. ^ Archer, Cristina. "Evaluation of Global Wind Power". Stanford. Retrieved 2008-06-03. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  27. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  28. ^ Kyritsis, Spyros (2001). 1st World Conference on Biomass for Energy and Industry. Earthscan. ISBN 1902916158, 9781902916156. {{cite book}}: Check |isbn= value: invalid character (help)
  29. ^ Smil (2006), p. 245
  30. ^ Smil (2006), p. 246
  31. ^ "World Total Net Electricity Consumption, 1980-2005". Energy Information Administration. Retrieved 2008-05-25.
  32. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2004". Energy Information Administration. Retrieved 2008-05-17.
  33. ^ Smil (2006), p. 12
  34. ^ de Vriesa,Bert J.M. Detlef P. "Renewable energy sources: Their global potential for the first-half of the 21st century at a global level: An integrated approach" (PDF). Energy Policy. Retrieved 2008-05-25. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  35. ^ Lorenze (1976), p. X
  36. ^ Archer, Cristina. "Evaluation of Global Wind Power". Stanford. Retrieved 2008-06-03. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  37. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  38. ^ Kyritsis, Spyros (2001). 1st World Conference on Biomass for Energy and Industry. Earthscan. ISBN 1902916158, 9781902916156. {{cite book}}: Check |isbn= value: invalid character (help)
  39. ^ Smil (2006), p. 245
  40. ^ Smil (2006), p. 246
  41. ^ "World Total Net Electricity Consumption, 1980-2005". Energy Information Administration. Retrieved 2008-05-25.
  42. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2004". Energy Information Administration. Retrieved 2008-05-17. {{cite web}}: line feed character in |title= at position 80 (help)
  43. ^ Smil (2006), p. 12
  44. ^ de Vriesa,Bert J.M. Detlef P. "Renewable energy sources: Their global potential for the first-half of the 21st century at a global level: An integrated approach" (PDF). Energy Policy. Retrieved 2008-05-25. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help) Note: Forbidden
    You don't have permission to access /chem/2007-0621-201307/NWS-E-2006-225.pdf on this server.
  45. ^ Lorenze (1976), p. X
  46. ^ Archer, Cristina. "Evaluation of Global Wind Power". Stanford. Retrieved 2008-06-03. {{cite web}}: Unknown parameter |coauthor= ignored (|author= suggested) (help)
  47. ^ "Energy conversion by photosynthetic organisms". Food and Agriculture Organization of the United Nations. Retrieved 2008-05-25.
  48. ^ Kyritsis, Spyros (2001). 1st World Conference on Biomass for Energy and Industry. Earthscan. ISBN 1902916158, 9781902916156. {{cite book}}: Check |isbn= value: invalid character (help)
  49. ^ Smil (2006), p. 245
  50. ^ Smil (2006), p. 246
  51. ^ "World Total Net Electricity Consumption, 1980-2005". Energy Information Administration. Retrieved 2008-05-25.
  52. ^ "World Consumption of Primary Energy by Energy Type and Selected Country Groups, 1980-2004". Energy Information Administration. Retrieved 2008-05-17. {{cite web}}: line feed character in |title= at position 80 (help)
  53. ^ Smil (2006), p. 12
  54. ^ de Vriesa, Bert J.M.; van Vuuren, Detlef P.; Hoogwijk, Monique M. (2007), "Renewable energy sources: Their global potential for the first-half of the 21st century at a global level: An integrated approach", Energy Policy, 35 (4): 2590–2610, doi:10.1016/j.enpol.2006.09.002
  55. ^ Lorenze (1976), p. X
  56. ^ Archer, Cristina; Jacobson, Mark Z. (2005), "Evaluation of Global Wind Power", Journal of Geophysical Research - Atmospheres, 110 (D12110), doi:10.1029/2004JD005462
  57. ^ Miyamoto, Kazuhisa, ed. (1997), "Energy conversion by photosynthetic organisms", Renewable biological systems for alternative sustainable energy production, FAO Agricultural Services Bulletin, vol. 128, Rome: Food and Agriculture Organization of the United Nations, ISBN 92-5-104059-1
  58. ^ SPECIFIED, NOT (2001), "NOT SPECIFIED", in Kyritsis, Spyros; Beenackers, A.A.C.M.; Helm, P.; Grassi, A.; Ciaramonti, D. (eds.), Proceedings of the First World Conference on Biomass for Energy and Industry, vol. NOT SPECIFIED, London: Earthscan, pp. NOT SPECIFIED, ISBN 1-902916-15-8
  59. ^ Smil (2006), p. 245
  60. ^ Smil (2006), p. 246
  61. ^ US DOE/Energy Information Administration (2007), "World Total Net Electricity Consumption, 1980-2005", International Energy Annual 2005, Washington: eia.doe.gov, retrieved 2008-05-25
  62. ^ US DOE/Energy Information Administration (2007), "Primary Energy Consumption by Source [Energy or Fuel Type], 1980-2005", International Total Primary Energy Consumption and Energy Intensity: Selected Country Groups ... and World Total, 1980-2005, Washington: eia.doe.gov, retrieved 2008-05-17 {{citation}}: Cite has empty unknown parameter: |1= (help)
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