Reports
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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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Latin America Energy Outlook 2023
World Energy Outlook Special Report
Read moreFlagship report — 08 November 2023
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Implementing Clean Energy Transitions
Focus on road transport in emerging economies
Country report — 29 August 2023
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National Climate Resilience Assessment for Egypt
Country report — 03 July 2023
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Boosting Efficiency in Latin America
Delivering affordability, security and jobs to advance people-centred energy transitions
Report — 14 March 2023
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Clean Energy Transitions Programme 2021
Annual report 2021
Report — 31 March 2022
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Renewables 2021
Analysis and forecasts to 2026
Fuel report — 01 December 2021
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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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Clean Energy Transitions in North Africa
Country report — 21 September 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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Energy Policies Beyond IEA Countries: Mexico 2017
Country report — 27 February 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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Mexico Energy Outlook 2016
World Energy Outlook Special Report
Country report — 25 October 2016
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Partner Country Series - Fossil Fuel Subsidy Reform in Mexico and Indonesia
Country report — 12 October 2016
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Energy Policies of IEA Countries: Japan 2016 Review
Country report — 20 September 2016
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Oil and Gas Emergency Policy: Japan 2013 update
Country report — 21 October 2012
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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: Japan 2008
Energy Policy Review
Country report — 11 June 2008