Energy categories are based on the IEA classification scheme.
Science and Technology based on the UNESCO scheme and the RAE schemes
Subjects and Cross cutting were devised by UKERC and the EDC
Energy Category scheme
ENERGY EFFICIENCY
Residential and commercial
FOSSIL FUELS: OIL, GAS and COAL
Oil and Gas
Enhanced oil and gas production
Refining, transport and storage of oil and gas
Refining, transport and storage of oil and gas
Non-conventional oil and gas production
Coal
Coal production, preparation and transport
Coal conversion (excluding IGCC)
CO2 Capture and Storage
CO2 capture/separation
RENEWABLE ENERGY SOURCES
Solar Energy
Solar heating and cooling (including daylighting)
Solar thermal power and high-temp. applications
Bio-Energy
Production of transport biofuels (incl. Production from wastes)
Production of other biomass-derived fuels (incl. Production from wastes)
Applications for heat and electricity
Hydropower
Large hydropower (capacity of 10 MW and above)
Small hydropower (less than 10 MW)
NUCLEAR FISSION and FUSIONS
Nuclear Fission
Light-water reactors (LWRs)
Nuclear supporting technologies
HYDROGEN and FUEL CELLS
Hydrogen
Hydrogen production
Hydrogen transport and distribution
Other infrastructure and systems R&D
Hydrogen end uses (incl. combustion; excl. fuel cells)
Fuel Cells
Stationary applications
OTHER POWER and STORAGE TECHNOLOGIES
Electric power conversion
Electricity transmission and distribution
OTHER CROSS-CUTTING TECHNOLOGIES or RESEARCH
Environmental, social and economic impacts
Subject scheme used for data and publications
General Energy Statistics
Science and Technology scheme for projects
Scientific Field
Discipline
PHYSICAL SCIENCES AND MATHEMATICS
Applied Mathematics
Chemistry
Computer Science and Informatics
Metallurgy and Materials
Physics
Pure Mathematics
Statistics and Operational Research
ENGINEERING AND TECHNOLOGY
Architecture and the Built Environment
Chemical Engineering
Civil Engineering
Electrical and Electronic Engineering
General Engineering and Mineral & Mining Engineering
Mechanical, Aeronautical and Manufacturing Engineering
ENVIRONMENTAL SCIENCES
Earth Systems and Environmental Sciences
Geography and Environmental Studies
SOCIAL SCIENCES
Business and Management Studies
Development Studies
Economics and Econometrics
Education
Politics and International Studies
Psychology
Sociology
Town and Country Planning
AREA STUDIES
American Studies and Anglophone Area Studies
Asian Studies
European Studies
Middle Eastern and African Studies
Cross-Cutting Characterisations scheme for projects
Systems Analysis related to energy R&D
Sociological economical and environmental impact of energy
Consumer attitudes and behaviour
Environmental dimensions
Other sociological economical and environmental impact of energy
Policy and regulation
Technology acceptanceg
Other
Energy technology information dissemination
Studies not related to a specific technology area