Fuel report
Energy Efficiency 2020
Energy Efficiency 2021
Cite report
IEA (2021), Energy Efficiency 2021, IEA, Paris https://www.iea.org/reports/energy-efficiency-2021
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About this report
Energy Efficiency 2021 is the IEA’s annual update on global developments in energy efficiency. This year’s edition explores recent trends in energy efficiency markets at the economy-wide and sectoral levels, including developments in policy and investment.
The report also focuses on the role of energy efficiency in achieving net zero emissions in the energy sector by 2050, including an examination of the crucial role of efficient appliances and equipment, as well as all major energy efficiency net zero milestones in buildings, transport and industry.
In addition, the report analyses recent trends in digital innovation, examining how digitalisation is expanding the scale and scope of energy efficiency markets and how business models are evolving to take advantage of these opportunities.
The report also focuses on the role of energy efficiency in achieving net zero emissions in the energy sector by 2050, including an examination of the crucial role of efficient appliances and equipment, as well as all major energy efficiency net zero milestones in buildings, transport and industry.
In addition, the report analyses recent trends in digital innovation, examining how digitalisation is expanding the scale and scope of energy efficiency markets and how business models are evolving to take advantage of these opportunities.
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"We consider energy efficiency to be the ‘first fuel’ as it still represents the cleanest and, in most cases, the cheapest way to meet our energy needs."
Fatih Birol
IEA Executive Director
Analysis
Article
Better energy efficiency policy with digital tools
Article
Net zero by 2050 hinges on a global push to increase energy efficiency
Article
Driving Energy Efficiency in Heavy Industries
Global energy efficiency benchmarking in cement, iron & steel
Report
Achievements of Energy Efficiency Appliance and Equipment Standards and Labelling Programmes
A global assessment in 2021
Report
Recommendations of the Global Commission for Urgent Action on Energy Efficiency
Commentary
How Energy Efficiency Will Power Net Zero Climate Goals
Commentary
Greater energy efficiency could double China’s economy sustainably
Commentary
Energy efficiency can again play a significant role in China’s economic recovery
Commentary
How appliances have supported a world in lockdown and what this means for energy efficiency
