Reports
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Scaling Up Demand Flexibility
From peak management to efficient system operation
Policy report — 26 June 2026
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Luxembourg 2026
Energy Policy Review
Country report — 08 June 2026
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Cost of Capital Observatory
Tracking the cost of capital for clean energy projects in emerging and developing economies
Statistics report — 26 September 2025
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Clean Energy Transitions Programme 2023
Annual report 2023
Report — 27 March 2024
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Implementing Clean Energy Transitions
Focus on road transport in emerging economies
Country report — 29 August 2023
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Clean Energy Transitions Programme 2022
Annual report 2022
Report — 31 March 2023
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Clean Energy Transitions Programme 2021
Annual report 2021
Report — 31 March 2022
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Japan 2021
Energy Policy Review
Country report — 04 March 2021
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Renewables 2020
Analysis and forecast to 2025
Fuel report — 10 November 2020
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Luxembourg 2020
Energy Policy Review
Country report — 25 March 2020
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Oil Market Report - July 2019
Fuel report — 11 July 2019
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Oil Market Report - February 2019
Fuel report — 12 February 2019
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Energy Efficiency 2018
Analysis and outlooks to 2040
Fuel report — 18 October 2018
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Oil Market Report - June 2017
Fuel report — 13 June 2017
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Oil Market Report - March 2017
Fuel report — 14 March 2017
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Railway Handbook 2016
Produced in collaboration with the Union Internationale des Chemins de Fer
Technology report — 29 November 2016
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Gas Resiliency Assessment of Japan 2016
Report — 23 November 2016
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Energy Policies of IEA Countries: Japan 2016 Review
Country report — 20 September 2016
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Energy Policies of IEA Countries: Luxembourg 2014 Review
Country report — 30 June 2014
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Oil and Gas Emergency Policy: Japan 2013 update
Country report — 21 October 2012
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Oil and Gas Emergency Policy: Luxembourg 2010 update
Country report — 06 January 2011
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Sustainable Production of Second-Generation Biofuels
Report — 09 February 2010
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Assessing Measures of Energy Efficiency Performance and their Application in Industry
Report — 08 October 2009
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Energy Policies of IEA Countries: Luxembourg 2008
Energy Policy Review
Country report — 19 March 2009