International Energy Agency Energy Technology Research and Development Database, 1974-2018

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>

国际能源署（International Energy Agency, IEA）下属能源统计司（Energy Statistics Division, ESD）发布的数据集，覆盖经合组织（OECD）成员国及全球部分非经合组织国家，包含能源生产、贸易、库存、转换、消费、价格与税收，以及温室气体排放相关的年度、季度时间序列数据。

对于经合组织成员国，数据由各国官方机构（多为各国国家统计局）从企业、政府部门及行业组织采集，随后通过标准化问卷报送国际能源署，以确保国际间数据的可比性；对于非经合组织国家，数据则直接从政府与行业对接方及国家官方出版物中获取。

《国际能源署能源技术研发（Research and Development, R&D）数据集》收录1974年起的年度时间序列数据，涵盖国际能源署采集的公共能源研发与示范（Research, Development and Demonstration, RD&D）支出数据，包含中央/联邦政府预算以及国有企业的相关支出。

在开展区域数据汇总时，缺失数据由国际能源署秘书处进行估算补充。

该数据集首批于2005年6月由英国数据服务中心（UK Data Service）提供，目前每半年更新一次。