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Energy system
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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Country
Portugal
Portugal is supporting decarbonisation through a wide variety of measures, such as, coal-fired generation was phased out in 2021. Portugal is further developing its large hydropower fleet, including additional capacity of pumped hydro storage. Portugal is an international leader for integration of wind generation, and auctions are driving rapid deployment of PV and battery storage. Portugal is pushing for better electricity interconnections with the rest of Europe. Portugal’s National Energy and Climate Plan sets 2030 targets for emissions reductions, energy efficiency and renewable energy that aim to put the country a path to achieving cost effective carbon neutrality…
- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
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Country
United States
The United States introduced major energy and climate policy reforms which put the country on a path towards a clean, secure and affordable energy system for a net zero economy. The reforms aim to strengthen infrastructure deployment and resilience, include a major focus on clean energy manufacturing, improving diverse supply chains and affordability, enhancing equity and the creation of high-quality clean energy jobs.
The US plays a significant role in supporting international energy security as the world’s largest producer of oil and exporter of liquified natural gas. A wave of clean energy investment means the US is today…- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
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Country
Norway
Norway has set ambitious targets for reducing greenhouse gas emissions and establishing a low-emissions society by 2050. As an energy-rich country, Norway is in a unique starting position with respect to the energy transition. An abundance of affordable hydropower has enabled the development of energy-intensive industries and a high level of electrification of homes and businesses with limited greenhouse gas emissions. At the same time, as a major oil and gas producer and exporter, Norway will need to support an evolution of its energy sector amid the global energy transition. Altogether, Norway has the opportunity to lead…
- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
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Country
Luxembourg
Luxembourg has a fossil fuel intensive energy mix driven by a high demand for transportation fuels, notably from transiting freight trucks and commuters. Despite this demand, the country is committed to reducing emissions. Its climate law sets targets for a 55% emission reduction by 2030 and climate neutrality target by 2050. The government has adopted numerous measures to push for energy transition, including a carbon tax which was introduced in 2020 and encouraging renewable generation through subsidies and auctions. Several programmes also support energy efficiency in buildings, industry and transportation, with a target for 49% of all passenger cars to…
- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
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Energy system
Road
More stringent and broader coverage of fuel efficiency standards for light-duty vehicles is needed
For cars and vans, increasing fuel efficiency standards is important as even in the Net Zero Emissions by 2050 Scenario, nearly 80% of cars and vans on the road in 2030 are still powered with internal combustion engines. Sales of heavier, less efficient SUVs reached around 46% of global sales in 2022, while electric vehicles were just 14% of sales. More and more countries are formulating vehicle efficiency standards and some are even putting in place zero-emission vehicle sales requirements. To be in line…
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Report
Apr 2025
Carbon-Free Electricity in G20 Countries
Status and the way forward In 2024, the Republic of Korea proposed the Carbon-Free Energy (CFE) Initiative to promote the use of technology-neutral, carbon-free energy to decarbonise the energy sector.In line with this initiative, Korea’s Ministry of Trade, Industry and Energy (MOTIE) commissioned this report to analyse the status and prospects of carbon-free energy in the electricity sector in G20 countries, and to provide policy recommendations to advance its progress.The International Energy Agency (IEA) and the Korea Energy Economics Institute (KEEi) jointly produced this report.
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Fuel report
Jun 2026
Oil Market Report - June 2026
The IEA Oil Market Report (OMR) is one of the world's most authoritative and timely sources of data, forecasts and analysis on the global oil market – including detailed statistics and commentary on oil supply, demand, inventories, prices and refining activity, as well as oil trade for IEA and selected non-IEA countries. Highlights Global oil demand is forecast to decline by 1.1 mb/d y-o-y in 2026. This represents a downgrade of 700 kb/d compared with our May Report, as 2Q26 deliveries plunged by 5 mb/d y-o-y in the face of higher…
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