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Paper
Country and regional highlights
There is growing ambition on electrifying heat in the European paper industry
CO2 emissions
Emissions intensity has seen a decade of reductions, but further effort is needed going forward
Energy
Further energy efficiency improvements and fuel switching are needed to get on track with the Net Zero Scenario
Activity
While production has been relatively flat over much of the past decade, growth in emerging economies may drive a moderate increase in the coming years
Policy
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Chemicals
Country and regional highlights
Important steps to deploy low-emissions chemicals production technologies are being taken in several regions
CO2 emissions
CO2 emissions must decouple from production by 2030 to get on track with the NZE Scenario
Energy
Energy consumption for feedstock will continue to rise with production, but process energy intensity declines rapidly in the NZE Scenario
Activity
Primary chemical production is set to keep growing in the NZE Scenario
Innovation
Supporting infrastructure
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Nuclear Power
A new era for nuclear energy beckons as projects, policies and investments increase
As the world’s second-largest source of low-emissions electricity after hydropower, nuclear power today produces just under 10% of global electricity supply. Now, fresh momentum around the world has the potential to open a new era for nuclear energy.
Power generation from the global fleet of nearly 420 active nuclear reactors is set to reach a record high in 2025 as Japan restarts production, maintenance works are completed in France, and new reactors begin commercial operations in various markets, including China, Europe, India and Korea…
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Bioenergy with Carbon Capture and Storage
Country and regional highlights
The United States launches a first-of-its-kind purchasing programme for CDR, while funding support and certification efforts emerge in Europe
CO2 capture
Despite increasing awareness around the importance of BECCS for reaching net zero, deployment remains low
Technology installation and infrastructure
Lead times for BECCS projects depend heavily on the application and destination of the CO2
Innovation
Policy
Investment
Investment in BECCS is growing across applications
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Electrolysers
Country and regional highlights
Progress is spread across different continents, from China, which leads on installed capacity, to the European Union, which have adopted important policies, and other regions like India and the Middle East moving forward with a small number of large-scale projects
Technology deployment
Global installed electrolyser capacity reached 1.4 GW at the end of 2023, almost double the one at the end of 2022
Technology manufacturing
Innovation
Policy
Investment
Acknowledgements
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Renewable Integration
Renewable Integration
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CO2 Capture and Utilisation
Country and regional highlights
CCUS and synthetic fuel policies are being strengthened in the United States and Europe
CO2 emissions
CO2 use can bring important climate benefits, but with caveats
Activity
CO2 use for synthetic fuels remains the leading new utilisation route
Technology installation and infrastructure
CCU supply chains can benefit from synergies with fossil-based synthetic fuel production and CCS
Innovation
Policy
Investment
Venture capital investment in CCU continues to grow
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Cement
Country and regional highlights
Major policy developments of the last year hold promise for reducing emissions from the cement sector and increasing public procurement of low-carbon concrete
CO2 emissions
Cement emissions remain stubbornly high – the development and deployment of new technologies is essential to get on track with the NZE Scenario
Energy
Activity
Technology deployment
Innovation
Supporting infrastructure
Policy
International collaboration
Private sector strategies
Acknowledgements
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Energy Efficiency
11th Annual Global Conference on Energy Efficiency
The International Energy Agency’s 11th Annual Global Conference on Energy Efficiency is being co-hosted by IEA Executive Director Dr Fatih Birol and Canada’s Minister of Energy and Natural Resources Tim Hodgson on 29 and 30 June 2026. Hydro-Québec, a recognised leader in energy efficiency, will also help drive industry engagement at the event.
The 11th edition of the IEA’s landmark event comes at a pivotal moment. Many governments around the world are focused on stronger action on energy efficiency as a key policy priority in order to ensure…
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Aluminium
Country and regional Highlights
Technological progress is being made in a range of countries, while the expected expansion of China’s emissions trading systems will be key to reducing direct emissions
CO2 emissions
Further action to reduce emissions intensity will be needed to get on track with the NZE Scenario
Energy
While the energy efficiency of aluminium production has improved, fuel switching needs to accelerate
Activity
Technology deployment
Innovation
Supporting infrastructure
Policy