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Grid investments
…nuclear. Key analysis IEA analysis of nine major regions shows that increasing electricity generation and grid capacity by one terawatt-hour (TWh), will require investments of USD 30 to 110 million in emerging economies and USD 75 to 150 million in advanced economies. In order to save the same amount of electricity, energy efficiency measures would cost only between USD 10 million and 50 million. A closer look at grid management The deployment of energy efficiency measures typically requires less time than the implementation of most new generation and grid infrastructure. On average, new generation and grid infrastructure can take years to implement, whereas efficiency measures…
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Scaling Up Transition Finance
…to cut global emissions, especially in areas where clean technologies are not yet commercially available or cost-competitive. This is where transition finance comes in: it can help emissions-intensive countries, companies and sectors shift over time towards sustainable practices that are aligned with long-term climate and development goals.In this new report, the International Energy Agency (IEA) provides analyses to map the landscape for transition finance, explains why it matters, and highlights approaches that could move the debate forward.The report also examines the role of transition finance in the steel and cement, critical minerals, and the natural…
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Multiple Benefits of Energy Efficiency
As energy efficiency continues to gain attention as a key resource for economic and social development across all economies, understanding its real value is increasingly important. The multiple benefits approach seeks to expand the perspective of energy efficiency beyond the traditional measure of energy savings by identifying and measuring its impacts in full bloom.
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Competitiveness
…shown to lead to improved product quality and consistency, contributing to brand reputation.Improved resource use, such as reduced equipment downtime and unplanned shutdowns, lower maintenance costs, and potentially reduced staff requirements for operation and monitoring. Efficiency has also been shown to increase worker health and safety, reducing the incidence of work-related accidents and health insurance costs.Reduced waste production, such as less use of materials and process water.Combined, these multiple benefits can more than double the benefits of energy cost savings. Need more information? IEA (2025), Gaining an Edge: The Role of Energy Efficiency in Enhancing Competitiveness.
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Energy Management for Industry
Driving efficiency implementation This report demonstrates the value of energy management for industry and governments. It illustrates how more systematic approaches to energy efficiency can contribute to ensure continual, durable, and increasing improvements that support competitiveness and energy security. It shows how new advances in energy management, such as increased digitalisation and artificial intelligence, can provide further benefits at speed and at scale. Building on best practices and innovative approaches, the report provides policy guidance on effective policy packages, giving insights into possible actions for policy makers irrespective of the maturity of existing programmes.
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Financing the ASEAN Power Grid
The Association of Southeast Asian Nations (ASEAN) has a long history of electricity system connectivity, and the development of the ASEAN Power Grid (APG) is central to achieving a sustainable, secure and affordable energy transition across the region. Delivering the APG will require a significant step‑change in investment over the coming 15 years, and unlocking financing from a diverse range of sources will be essential for this to happen. Yet financing approaches and business models have not evolved at the pace required to support an increasingly ambitious and complex pipeline of interconnector projects.This report examines how interconnectors are approached…
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Electricity Market Design
…and long-term markets, however, face persistent gaps in liquidity and accessibility, which can make it harder for participants to manage risk and invest with confidence. Complementary mechanisms have become structural features of many systems, helping to support resource adequacy and decarbonisation objectives, but their effectiveness and cost efficiency depends on designs that work in concert with market signals.The analysis highlights that coherent evolution across market layers and mechanisms is essential to maintain secure, affordable and sustainable electricity systems. The report concludes with insights to guide policy makers as they refine market arrangements and ensure that markets remain resilient…
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Energy Technology Perspectives 2026
The 2026 edition of Energy Technology Perspectives is published against the backdrop of a fast-changing policy and technology landscape. Governments are working to establish secure and resilient supply chains for clean energy technologies while advancing key energy policy goals such as energy security, affordability and economic competitiveness, as well as climate and other environmental goals. In a landscape that is constantly evolving, this report aims to deliver timely insights into the status and outlook of technology deployment, manufacturing, project pipelines, investments, and trade of different energy technologies and materials. The aim is to provide useful analysis that can inform…
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Key Questions on Energy and AI
Following the publication of the IEA’s landmark Energy and AI report in 2025, this report examines how the energy and AI nexus has evolved amid surging investment in data centres and rapid advances in model capabilities. Drawing on fresh datasets and analysis, it explores where electricity demand is rising, how quickly grids and supply chains can respond, and what these shifts mean for energy security, affordability and sustainability.
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World Energy Outlook 2025
…futures and their implications for energy security, access and emissions. The WEO covers the whole energy system, using a scenario-based approach to highlight the central choices, consequences and contingencies that lie ahead. It includes exploratory scenarios that flow from different assumptions about existing policies, as well as normative pathways that achieve energy and emissions goals in full. The multi-scenario approach illustrates how the course of the energy system might be affected by changing key variables, including the energy policies adopted by governments around the world.This year’s edition comes amid major shifts in global energy policies and markets…
