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World Energy Investment 2026
World Energy Investment is the global benchmark for tracking investment trends across the energy sector. The report will present the latest data on capital flows to different types of energy projects, as well as the first set of full-year estimates for 2026.As energy security concerns continue to shape investment priorities, this year’s report will explore the potential implications for different sectors and regions, particularly in light of the ongoing energy crisis stemming from the conflict in the Middle East.The 2026 edition will highlight major investment milestones and opportunities from different energy sectors and regions. It also includes…
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World Energy Investment 2026 How we track investment in energy
…sectors in the World Energy Investment 2026 (WEI 2026) report and other publications from the International Energy Agency. The IEA measures investment as the ongoing capital spending on assets. For some sectors, such as power generation, this investment is spread out evenly from the year in which a new plant or upgrade of an existing one takes a final investment decision (FID), i.e. when a project reaches financial close or begins construction) to the year in which it becomes operational. For other sources, such as upstream oil and gas and liquefied natural gas (LNG) projects, investment reflects the capital…
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Energy Efficiency Policy Toolkit Financing Energy Efficiency
Global energy investment continues to grow despite a challenging geopolitical environment. According to the IEA’s World Energy Investment 2026 report, total spending is expected to reach USD 3.4 trillion in 2026, a 5% increase from 2025. Clean energy investment is projected to remain around USD 2.2 trillion, representing nearly two‑thirds of total energy spending and continuing to outpace fossil fuels. Investment in electricity systems such as grids, storage, and electrification, is increasingly driven by energy security concerns and rising electricity demand. Energy efficiency also remains essential to strengthening system resilience, reducing costs for consumers and businesses, and lowering greenhouse gas emissions…
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Southeast Asia Energy Outlook 2026
The Southeast Asia Energy Outlook 2026 is the seventh edition of this World Energy Outlook Special Report, making Southeast Asia by far the most regularly updated regional outlook compiled by the International Energy Agency (IEA). This reflects the dynamism of the region, as well as the importance of the IEA’s partnership with the eleven countries that make up the Association of Southeast Asian Nations (ASEAN) – Brunei Darussalam, Cambodia, Indonesia, Lao People’s Democratic Republic (Lao PDR), Malaysia, Myanmar, the Philippines, Singapore, Thailand, Timor-Leste (joined ASEAN in 2025) and Viet Nam.As energy security concerns move ever higher on…
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Investment Data Explorer
Explore energy investment data from World Energy Investment 2026
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World Energy Investment 2026 Datafile
The World Energy Investment 2026 datafile includes world and regional investment data for supply (fossil fuels, renewables, electricity networks, other) and end-use (energy efficiency, renewables and other).
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Energy System Resilience
…Association country, on energy system resilience, publishing a 10-point plan ahead of the 2024-2025 winter, along with a 2025-2026 update and a roadmap for decentralising Ukraine's power system. This has provided Ukraine with critical assistance, while also offering invaluable real-world lessons that can inform resilience planning for IEA Member countries and beyond. Industry from Europe and other regions is already collaborating with the Ukrainian private sector and learning from practices forged under extreme conditions as they provide support. This report distils key lessons from Ukraine's experience that can inform energy system resilience efforts worldwide.
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Brazil
…a global leader in second generation biofuels and flex-fuel cars provide a large domestic market. Ethanol supply is set to average 660 kb/d in 2026, up 90 kb/d compared with 2020 and 35 kb/d higher than in 2019. A system of contract auctions provides a mechanism to bring forward investment in new generation and transmission capacity, as well as to diversify the power mix.
Large offshore oil and gas discoveries have confirmed Brazil’s status as one of the world’s foremost oil and gas provinces. Pre-salt discoveries also prompted a change in upstream regulation…- Overview
- Energy mix
- Emissions
- Electricity
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Copper prices have hit record highs, but smelters face mounting strategic pressures
…market – strong structural demand growth and elevated prices – may be good news for producers. However, today’s situation is unusual in that the crucial midstream sector is showing increasing signs of stress, amid a surge in smelter capacity additions in China. Copper is set to face a major supply deficit of 30% by 2035 Copper – a highly conductive metal that is resistant to corrosion – is at the heart of a more electrified energy system. As the world enters an Age of Electricity, strong demand growth for copper is anticipated from a wide variety of sources, including grids, electric vehicles, construction…
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Sodium-ion battery momentum grows, but challenges remain
…advances and investment announcements suggest that this dynamic is starting to change. CATL, the world’s largest battery manufacturer, released its second-generation sodium-ion batteries and has confirmed plans for their commercial-scale deployment across multiple sectors starting in 2026. BYD, the second largest producer, began construction of its first sodium-ion battery plant in January 2024, targeting applications in electric vehicles, grid-scale storage and industry. Hina, a smaller Chinese battery manufacturer and the first to power an electric vehicle using sodium‑ion batteries, also released an advanced sodium‑ion battery designed for electric cars last year.These investments are…
