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Energy Technology Classification System
A 360° view of energy technologies About this tool Our interactive explorer enables navigation of the revised 2025 edition of the International Energy Agency’s (IEA) energy technology classification system. The classification system is a structured framework that categorises energy technologies within nine main areas.Updated in co-operation with governments to reflect technological developments since its last revision in 2011, the classification now covers a full range of energy technologies, f...
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Kira West
Former World Energy Outlook Analyst.
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Kerem Yilmaz
Energy Data Officer.
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Bruno Idini
Energy Analyst. Bruno Idini leads the IEA’s work on SDG 7 within the World Energy Outlook team. He was one of the lead authors on the IEA’s Africa Energy Outlook, and the IEA’s World Energy Employment among other reports. He coordinates IEA’s co-custodianship on Tracking Progress on Sustainable Development Goal 7. Bruno also supports senior management engagement with external partners, drafting speeches and briefing notes. Prior to joining the IEA, Bruno carried out various research projects on energy, including on small-scale hydropower systems in Peru, and the opportunities and challenges for solar PV in Ghana.
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Emma Wink
Sustainable Finance Specialist and Project Lead, BASE. Emma Wink is a Sustainable Finance Specialist and Project Lead at BASE, where she focuses on scaling the use of innovative business models such as 'Cooling-as-a-Service' to accelerate the energy transition and circular economy. Emma holds a Master of Science in Sustainable Development from the University of Basel.
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Gabriel Saive
Energy Policy Analyst.
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Francesco Mattion
Former Energy Data Officer.
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Claudia Pavarini
Former WEO Energy Analyst.
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Katerina Ananiadou
Progamme Specialist. Katerina has been a Progamme Specialist with UNESCO-UNEVOC since March 2011. In this role she is responsible for knowledge management and research activities in the field of TVET and for implementing and promoting cooperation and capacity development activities within the UNEVOC Network. She is also the focal point for UNEVOC's thematic work on youth and skills and coordinator of the Latin American and Caribbean region of the UNEVOC Network.Prior to joining UNESCO Katerina worked for four years as a policy analyst at the Centre for Educational Research and Innovation (CERI) of the OECD, among others on systemic innovation in VET and the New Millennium Learners project. Before that she was a researcher at the Institute of Education in London, specialising on adult literacy and numeracy and workplace learning. Her academic background is in Psychology and Cognitive Science which she studied at the Universities of Athens (BA), Cardiff (MSc) and Warwick (PhD).
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Jae Sun Lee
Former Energy Analyst.
