Who Are 4E Members

Governments with effective, mature, energy efficiency programmes covering a diverse range of appliances and equipment.

National and regional governments are represented by entities responsible for energy efficiency policy.

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Latest From The IEA

The International Energy Agency (IEA) works with governments and industry to shape a secure and sustainable energy future for all.

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Publications

Evaluating Electric Vehicle and Heat Pump Flexibility Potential: Linking Technology, Economics, Regulation, Behaviour and Policy

In a report, commissioned by the 4E TCP EDNA Platform and Users TCP, the Austrian Institute of Technology explores how flexibility can be understood, quantified, and enabled in practice. The report introduces a high-level model that links technical capabilities, economic drivers, behavioural aspects, and policy frameworks to estimate the overall flexibility potential of distributed assets.

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Air Conditioners

The accurate and repeatable testing of products is a basic requirement for energy efficiency programmes and therefore improving tests for variable capacity air conditioners & heat pumps is important. It is particularly timely given the growth in these types of products. 4E is examining potential changes to relevant test procedures culminating in a round robin within 4E countries which will be completed at the end of 2022.

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Energy-using Systems

As part of an ongoing investigation, 4E launched a new project in 2021 to better understand the real and current barriers to regulatory policies for systems in 4E jurisdictions. Based on three case studies, the project will focus on Australia, Canada, the EU and Japan.
Additionally, the project will quantify the total savings potential from the implementation of policies for energy-using systems.

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Energy Efficiency Report 2025

Energy Efficiency 2025 is the IEA’s primary annual analysis on global energy efficiency developments, showing recent trends in energy intensity and demand, investment, employment and policy. The report provides sector-specific analysis on industry, buildings, appliances and transport and explores system-wide themes such as emissions reductions, energy security, affordability and competitiveness.

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World Energy Outlook 2025

The IEA’s flagship World Energy Outlook (WEO) is the most authoritative source of global energy analysis and projections. Updated annually to reflect the latest energy data, technology and market trends, and government policies, it explores a range of possible energy futures and their implications for energy security, access and emissions.

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