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Contributor
Nick Butler
Visiting Professor. Nick Butler is chair of the Kings Policy Institute at Kings College. He spent 29 years at BP, five of them as Group Vice President for Policy and Strategy Development, and later served as a senior advisor to former British Prime Minister Gordon Brown. Mr Butler is also an energy commentator for the Financial Times.
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Data set
Energy Technology RD&D Budgets
Tracking trends in spending by energy technology in IEA countries back to 1974 The IEA’s Energy Technology RD&D Budgets database allows users to track trends in spending by energy technology in IEA countries back to 1974. Data is collected from central or federal government budgets, as well as the budgets of state-owned companies, for spending on a range of sectors including energy efficiency, renewables, nuclear power, fossil fuels, hydrogen and fuel cells, and more.Please see the documentation, manual, or questionnaire below for additional information. You can also explore the data through the RD&D Budgets data…
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Data set
World Energy Statistics
Basic energy statistics for 156 countries and 35 regional aggregates The World Energy Statistics online data service contains key energy statistics for 156 countries and 35 regional aggregates. Data are provided in original units for the different types of coal, oil, natural gas, renewables and waste, as well as for electricity and heat. In general, data are available from 1971 (1960 for OECD countries) up to 2023 for all countries. For IEA member, accession, association and other selected countries, data are available up to 2024. Preliminary 2025 data will be made available in July 2026 for selected countries, products and…
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Contributor
Valeria Arroyave Cardozo
Project Manager. Valeria Arroyave Cardozo is a Project Manager at the United Nations Industrial Development Organization (UNIDO), where she leads the Energy Efficiency for Livelihoods in Africa (EELA) Regional Project. The initiative focuses on transforming markets for energy-efficient appliances and services through enhanced policies, increased investments, and the development of sustainable local value chains.Since joining UNIDO in 2021, she has contributed to global efforts in sustainable cooling, energy efficiency, and the critical minerals supply chain, supporting the broader clean energy transition. Previously, Valeria spent five years at the United Nations Development Programme (UNDP), specializing in climate transparency and strengthening national capacities to meet climate commitments through Nationally Determined Contributions (NDCs) and greenhouse gas (GHG) emissions reporting.She holds an engineering degree and a Master of Public Administration and Sustainable Management. V...