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Renewable Energy and Climate Change, 2nd Edition, 2nd Edition
book

Renewable Energy and Climate Change, 2nd Edition, 2nd Edition

by Volker V. Quaschning
April 2019
Intermediate to advanced content levelIntermediate to advanced
352 pages
11h 34m
English
Wiley
Content preview from Renewable Energy and Climate Change, 2nd Edition, 2nd Edition

Appendix A

A.1 Energy Units and Prefixes

The SI unit for energy is the joule (J). An equivalent derived unit is the watt second (W·s). Common energy quantities are usually measured in kilowatt hours (kWh). Table A.1 summarizes the units commonly used in the energy sector. Table A.2 shows the prefixes and abbreviations for energy units.

Table A.1 Conversion factors between different units of energy

kJ kcal kWh kg coal equivalent kg oil equivalent m3 natural gas
1 kJ (1 kJ = 1000 Ws) 1 0.238 8 0.000 278 0.000 034 0.000 024 0.000 032
1 kcal 4.186 8 1 0.001 163 0.000 143 0.000 1 0.000 13
1 kWh 3 600 860 1 0.123 0.086 0.113
1 kg coal equivalent 29 308 7 000 8.14 1 0.7 0.923
1 kg oil equivalent 41 868 10 000 11.63 1.428 1 1.319
m3 natural gas 31 736 7 580 8.816 1.083 0.758 1

Table A.2 Prefixes and abbreviations

Prefix Abbrev. Value Prefix Abbrev. Value
kilo k 103 (thousand) milli m 10−3 (thousandth)
mega M 106 (million) micro μ 10−6 (millionth)
giga G 109 (billion) nano n 10−9 (billionth)
tera T 1012 (trillion) pico p 10−12 (trillionth)
peta P 1015 (quadrillion) femto f 10−15 (quadrillionth)
exa E 1018 (quintillion) atto a 10−18 (quintillionth)

A.2 Geographic Coordinates of Power Plants

Many power plants are so large that they can easily be seen in satellite images. The free Google Earth software allows you to display high-resolution satellite images on your home computer. The following list shows the coordinates of some interesting ...

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Publisher Resources

ISBN: 9781119514862Purchase book