CHP                 Combined Heat and Power
CSP                  Concentrated Solar Power
EEA                   European Environment Agency
EED                   Energy Efficiency Directive
EJ                       Exajoule (one quintillion joules)
ENTSO-E         European Network of Transmission System Operators for Electricity
EPBD                 Energy Performance of Buildings Directive
ETC/ACM        European Topic Centre for Air Pollution and Climate Change Mitigation
ETS                    Emissions Trading System

EPC                    European Pellet Council 
EU                      European Union
EU-28                Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland,                                 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovenia, Slovakia, Spain, Sweden, UK
GDP                   Gross Domestic Product
GFEC                 Gross Final Energy Consumption
GHG                   Greenhouse Gas

GIEC                   Gross Inland Energy Consumption
GW                     Gigawatt
GWe                   Gigawatt electrical (referring to capacity)

IBTC                   International Biomass Torrefaction Council
IEA                      International Energy Agency
ILUC                   Indirect Land Use Change
IRENA                International Renewable Energy Agency
ktoe                   Kilotonnes of oil equivalent
kWe                   Kilowatt electrical (capacity)
LULUCF            Land Use, Land Use Change and Forestry

Mt                       Million tonnes (megatonnes)
MtCO2               Million tonnes of carbon dioxide
Mtoe                   Million tonnes of oil equivalent
MW                     Megawatt
NREAP               National Renewable Energy Action Plan
OECD                 Organisation for Economic Co-operation and Development
PV                       Solar photovoltaic energy
RED                   Renewable Energy Directive
RED II               Renewable Energy Directive revised (expected to be officially adopted by the end of 2018)
RES                   Renewable Energy Sources

RES-E               Renewable Electricity
RES-H&C         Renewable Heating and Cooling
RES-T               Renewable Energy consumed in Transport

RES Waste      The biodegradable fraction of industrial and municipal waste

SBP                    Sustainable Biomass Program

SET                    Strategic Energy Technology (plan)

SHARES           Short Assessment of Renewable Energy Sources
UNFCCC          United Nations Framework Convention on Climate Change