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Abbreviations
Energy and CO2 units
W
kW
MW
GW
TW
Wh
kWh
MWh
GWh
TWh
g
kg
t
Mt
goe
koe
toe
Mtoe
CO 2
gCO 2
kCO 2
tCO 2
MtCO 2
watt (unit of power)
kilowatt (1,000 watts)
megawatt (1 MW = 1,000,000 watts)
gigawatt (1 GW = 1,000,000,000 watts)
terawatt (1 TW = 1,000,000,000,000 watts)
watt-hour (3,600 Joules)
kilowatt-hour (1 kWh = 1,000 watt-hours)
megawatt-hour (1 MWh = 1,000,000 watt-hours)
gigawatt hour (1 GWh = 1,000,000,000 watt-hours)
terawatt hour (1 TWh = 1,000,000,000,000 watt-hours)
gram (unit of mass)
kilogram (1,000 g)
tonne = metric ton (1,000 kg)
million tonnes
grams of oil equivalent (41,900 Joules)
kilograms of oil equivalent (1,000 g oil equivalent)
tonnes of oil equivalent (1,000 kg oil equivalent)
million tonnes of oil equivalent (1,000,000,000 kg of oil equivalent)
carbon dioxide
grams of carbon dioxide
kilograms of carbon dioxide (1,000 g of carbon dioxide)
tonnes of carbon dioxide (1,000 kg of carbon dioxide)
million tonnes of carbon dioxide (1,000,000,000 kg of carbon dioxide)
Indicators
toe / cap
kWh / cap
tCO 2 / cap
gCO 2 / kWh
toe / t
koe / $2005ppp
kCO 2 / $2005ppp
tonnes of oil equivalent per capita
kilowatt hour per capita
tonnes of carbon dioxide per capita
grams of carbon dioxide per kilowatt-hour
tonnes of oil equivalent per metric ton
kilo of oil equivalent per constant 2005 dollar at purchasing power parity
kilo of carbon dioxide per constant 2005 dollar at purchasing power parity
Economy
GDP
ppp
US$2005bn ppp
$2005ppp
OECD
gross domestic product
purchasing power parity
billion of constant 2005 US dollars at purchasing power parity
constant 2005 dollar at purchasing power parity
Organisation for Economic Co-operation and Development
Technology
CCGT
CHP
PV
LPG
T&D
combined cycle gas turbine
combined heat and power
photovoltaic
liquefied petroleum gas
transmission and distribution (of electricity)
Trends in global energy efficiency 2011 | 1