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Energy system
Electric Vehicles
Global electric car sales continue to break records as affordability improves
Despite recent economic headwinds that have put pressure on the auto sector, global sales of electric cars have continued to break records as electric models become increasingly affordable. Electric car sales exceeded 17 million globally in 2024, reaching a sales share of more than 20%. Just the additional 3.5 million electric cars sold in 2024 compared with the previous year is more than the total number of electric cars sold worldwide in 2020.
In 2025, sales of electric cars are expected to surpass 20 million, accounting for over…
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Fuel report
Oct 2025
Renewables 2025 Executive summary
Renewables’ global growth, driven by solar PV, remains strong amid rising headwinds Global renewable power capacity is expected to double between now and 2030, increasing by 4 600 gigawatts (GW). This is roughly the equivalent of adding China, the European Union and Japan’s power generation capacity combined to the global energy mix. Solar PV accounts for almost 80% of the global increase, followed by wind, hydropower, bioenergy and geothermal. In more than 80% of countries worldwide, renewable power capacity is set to grow faster between 2025 and 2030 than it did over the previous five-year period. However, challenges including…
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Report
Jun 2025
Health
Multiple benefits of Energy Efficiency 2025 Energy efficiency provides multiple benefits. This page explores health. Why is energy efficiency important for health? Energy efficiency can improve health by creating healthy indoor and outdoor living environments with comfortable temperatures and humidity levels, and improved air quality. Key facts Energy efficiency measures have been linked to improved health, such as fewer respiratory illnesses.Targeted energy efficiency programmes can reduce doctor and hospital visits and save health costs. In New Zealand, a retrofit programme led to a 43% reduction in hospital admissions for respiratory conditions, while a similar programme in Ireland reduced the…
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Contributor
Jürgen Trittin
Member of the Bundestag and Former Federal Minister for the Environment, Nature Conservation and Nuclear Safety. Jürgen Trittin has been a member of the Committee on Foreign Affairs in the German parliament since 2014 and is also a deputy member of the Committee on Economic Affairs and Energy. He previously served as Federal Minister for the Environment, Nature Conservation and Nuclear Safety.
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Country
Ghana
In Ghana, electrification rates have gradually increased over the past 20 years, reaching almost 85% in 2017 and building on successful electrification plans. The country relies on a diversified energy mix and hosts the largest hydropower project of the Western African region.
- Overview
- Energy mix
- Emissions
- Electricity
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+ 5 pages
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Policy report
Jun 2026
Energy Efficiency Policy Toolkit Appliances
Introduction Appliances represent 45% of electricity demand in buildings and are responsible for almost 3 gigatons (Gt) of CO₂ emissions. Doubling the global annual energy intensity improvement by 2030 would require appliances to become 30% to 40% more efficient. An integrated policy approach combining regulation, information and incentives is the most effective way to achieve this goal. Regulations such as minimum energy performance standards (MEPS) can ensure that the least efficient equipment is not sold on the market. MEPS also encourage suppliers to increase the efficiency of the appliances they produce, accelerating the improvement of efficiency on the market. In…
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Report
Nov 2025
Global Energy and Climate Model Net Zero Emissions by 2050 Scenario (NZE)
…but is uneven across sectors and countries.The context in which governments and energy companies are operating remains complex and challenging, marked by features such as increasing geopolitical fragmentation, high government debt burdens, and rising levels of concern about energy security and affordability after the global energy crisis.With these in mind, we have revisited several aspects of the design of the NZE Scenario in 2025, while maintaining the end point of net zero energy-related CO2 emissions by 2050, in order to provide an up-to-date analysis of the current state of efforts to meet the Paris Agreement target…
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Country report
Dec 2025
China’s Official Energy Finance in Emerging and Developing Economies Case 6. CNOOC investment in Guyana: Whiptail Oil Field
…the Guyana basin the company’s largest overseas upstream commitment.While ExxonMobil retains operatorship, CNOOC participates fully in investment decision-making and bears its proportional share of capital and operating costs. Since the developments in the Stabroek Block are financed directly from the partners’ balance sheets rather than through non-recourse project debt, CNOOC’s exposure moves in line with changes in project costs, oil-price dynamics and future operating performance. This differs from many clean energy projects, where high shares of project-finance debt and fixed offtake arrangements can insulate sponsors from part of the underlying risk. Insights a...
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Fuel report
Dec 2025
The Value of Demand Flexibility Executive summary
…can:Enhance power system efficiency. Flexibility and efficiency reinforce each other, as flexibility enables more efficient grid operation, while efficient buildings and smart equipment expand the scope for cost-effective demand shifting. By improving the use of existing generation and network assets, demand flexibility can raise system efficiency by up to 30% and deliver greater value.Strengthen energy security. Demand flexibility reinforces electricity security and system resilience by reducing peak demand and lowering reliance on fuel imports. Recent events in California, Western Australia, and France demonstrate this capability, where customers reacted quickly to support system operators, rapidly reducing consumption and…
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Policy report
Jun 2025
Gaining an Edge Unlocking the potential of energy efficiency
Efficiency opportunities at the firm level At the firm level, energy efficiency offers untapped opportunities to reduce costs in both light and heavy industries In a competitive environment, firms are seeking to reduce costs, support sustainable growth and meet dynamic market demands. Energy is an important component of production costs in many industrial sectors, although its share varies by industry. These differences are influenced by the type and complexity of production. Heavy industries, such as steel, cement and chemicals, tend to be more energy intensive due to the large-scale processes and high thermal demands. Light industries, such as electronics…