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Battery Circularity
Innovation trends for a future source of critical materials This report provides new evidence on global innovation trends for technologies related to battery recycling. Based on the EPO’s unique and comprehensive worldwide patent databases and the IEA’s expert insights into the key issues for battery technologies, the report presents the very latest data as a guide to decision makers from the public and private sectors. It sheds light on the main locations of patenting, the leading patentors in the world and the technology categories receiving the most innovation attention.More than one in four cars sold globally in…
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National System for Energy and Indoor Air Quality Certification of Buildings (SCE)
The buildings certification system in Portugal operates in conjunction with two sets of building regulations applied to construction, the Regulations on Thermal Behaviour of Buildings (RCCTE) and the Regulations on HVAC Systems in Buildings (RSECE), fully transposing the Energy Performance of Buildings Directive (EPBD). The SCE, which entered into force on 1 July 2007, aims to save energy and protect the environment. The timetable for implementation of the SCE is divided into three phases with full implementation in January 2009 at which time all contracted buildings will be included: new houses, sales and leases. In the first phase, the legislation…
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Integrating Variable Renewable Energy in Kenya
Key challenges and strategic priorities Building on its renewable energy success, Kenya is now focused on managing a secure and reliable electricity system. With nearly 90% of the generation mix derived from renewable sources and electricity access rising from 37% in 2013 to 79% in 2025, the country has established itself as a regional leader in energy development.Integrating Variable Renewable Energy in Kenya explores how Kenya can strengthen its power system amid rising shares of variable renewable energy (VRE). The report identifies Kenya’s system to be operating in Phase 3 of the IEA’s VRE integration framework, where…
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Buildings
Buildings
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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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Energy Efficiency Policy Toolkit Energy Efficiency Policy Toolkit: Case studies
The following case studies demonstrate how different countries have successfully implemented energy efficiency policies across various sectors. These real-world examples are designed to support policymakers by offering practical insights into what works, under which conditions, and why.Each case study highlights specific policy instruments—such as regulations, information campaigns, or financial incentives—and shows how they have been applied in different contexts. They provide evidence on the outcomes achieved, lessons learned, and the challenges encountered during implementation. Readers are encouraged to explore the case studies by sector, policy type, or geographic region using the filters provided. Case studies bridge…
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World Energy Employment 2025
The World Energy Employment (WEE) report series provides comprehensive tracking and analysis of the global energy workforce, including estimates of its size and distribution across regions, sectors, and technologies. It also assesses how energy labour requirements evolve to 2035 across all IEA scenarios.The WEE 2025 – the fourth edition – examines how skilled labour needs and shortages have changed since the series first highlighted these issues in 2022, and explores their implications for education and training systems, wages, policy, and the global buildout of energy infrastructure. This year’s report introduces, for the first time, detailed occupation-level estimates that offer…
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South Sudan
South Sudan is one of Eastern Africa's major oil resource holders but exported more than 85% of its production in 2014. Only 1% of the population had access to electricity in the country in 2017.
- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
![South Sudan Flag]()
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Global Hydrogen Review 2026
The IEA's Global Hydrogen Review 2026 provides an update on hydrogen production and demand worldwide and identifies the latest developments relating to policy, infrastructure, trade, investments and innovation.The report is an output of the Clean Energy Ministerial Hydrogen Initiative and is intended to provide an update to energy sector stakeholders on the status and future prospects of hydrogen, and to inform discussions at the Hydrogen Energy Ministerial Meeting organised by Japan.The conflict in the Middle East is impacting global supplies of hydrogen and hydrogen derivatives, such as fertilisers, exposing vulnerabilities in their supply chains. As energy security…
