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Jose M Bermudez
Energy Technology Analyst. Jose M Bermudez is an Energy Technology Analyst at the International Energy Agency (IEA), where he coordinates the analytical work of the IEA in hydrogen technologies. He is also the coordinator of the Clean Energy Ministerial Hydrogen Initiative. Jose has more than 15 years of professional experience, working in research, innovation and energy policy in the areas of hydrogen, bioenergy and alternative fuels.
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Energy Efficiency 2025 Buildings
How and where is energy used? Total final consumption in 2024 was over 450 EJ and has grown by around 25 EJ since 2019. Buildings account for around 30% of global energy demand and have contributed around 20% of the growth in total demand since 2019. The residential sector makes up about 70% of total energy demand in buildings, while the remaining 30% is used in commercial and public buildings.In advanced economies, most energy in homes is used for space and water heating, together accounting for about 70%. This is followed by the use of electrical appliances, such as refrigerators, televisions…
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Electricity 2026 Reliability
…attention from system operators, regulators, and policy leaders. Voltage management increasingly important for power system stability On 28 April 2025 at about 12:33 local time, the Iberian Peninsula suffered a widespread blackout, the largest European outage since the 2003 Italian Peninsula blackout. According to the initial report by ENTSO-E, and the analysis conducted by the Spanish system operator Red Eléctrica and the national authorities within the Committee established by the Spanish Government, the incident was of multifactorial origin, caused by a combination of high voltage volatility, limited reactive absorption at that moment, strong power oscillations, and rapid disconnections…
- Executive summary
- Demand
- Supply
- Grids
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+ 4 pages
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Heymi Bahar
Senior Analyst - Renewable Energy Markets and Policy.
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Monica Troilo
Former Energy Analyst.
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Energy End-uses and Efficiency Indicators Data Explorer
Explore energy and emission data by country, end-uses and product, from 2000 onwards in four sectors (residential, services, industry and transport) for IEA member countries and beyond
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Critical Minerals Data Explorer
Global demand projections for 37 critical minerals needed for clean energy transitions across the three main IEA scenarios and 11 technology-specific cases
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Daniel Crow
Energy Modeller - World Energy Outlook.
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Germany
Germany’s Climate Law sets out the framework for reaching net zero emissions by 2045. In order to achieve the ambitious Energiewende by 2030, 80% of all electricity supply will need to come from renewable energy sources (and 100% by 2035) and coal is to be completely phased out. Germany has been an early leader in offshore wind and solar PV and phased out nuclear power in 2023. Major legislative reforms in renewable energy planning and siting support targets of 100-110 GW of onshore wind, 30 GW offshore wind and 200 GW solar, alongside investments in 10 GW of…
- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
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Daniel Wetzel
Head of Tracking Sustainable Transitions Unit. Daniel Wetzel leads the newly created Tracking Sustainable Transitions unit within the World Energy Outlook, which tracks how policy measures are actually moving the needle on clean energy transitions, energy access, and energy employment. He was one of the lead author’s on the IEA’s Sustainable Recovery report, the IEA’s Sustainable Recovery Tracker, and coordinated IEA’s co-custodianship on Tracking Progress on Sustainable Development Goal 7.1: Universal Access. Daniel also oversees the employment and parts of the demand analysis in the annual World Energy Outlook. Prior to joining the IEA, Daniel worked at the Rocky Mountain Institute in their Beijing office, leading their Power Market Reform program, and also in Colorado, working on regional energy transition plans.
