International Energy Agency Energy Technology Research and Development Database, 1974-2021

The International Energy Agency (IEA) datasets published by the Energy Statistics Division (ESD) contain annual and quarterly time series data on energy production, trade, stocks, transformation, consumption, prices and taxes as well as on greenhouse gas emissions for OECD Member countries and a selection non-OECD countries world-wide.<br> <br> In OECD Member countries the data are collected by official bodies (most often the national statistics office in each country) from firms, government agencies and industry organisations and are then reported to the IEA using questionnaires to ensure international comparability. In non-OECD countries the data are collected directly from government and industry contacts and from national publications.<br> <br> The <i>International Energy Agency (IEA) Energy Technology Research and Development (R and D) Dataset</i> contains annual time series from 1974 onwards and it presents data on public energy Research, Development and Demonstration (RD&D) expenditures collected by the IEA. It includes central or federal government budgets as well as expenditures by state-owned companies.<div><br></div><div>When regionally aggregated, missing data have been estimated by the IEA Secretariat.</div> <br> These data were first provided by the UK Data Service in June 2005 and are updated semi-annually.<br>