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Energy efficiency has been referred to as a “hidden fuel”, one that extends energy supplies, increases energy security, lowers carbon emissions and generally supports sustainable economic growth. Yet it is hiding in plain sight: in 2011, investments in the energy efficiency market globally were at a similar scale to those in renewable energy or fossil-fuel power generation.

The Energy Efficiency Market Report provides a practical basis for understanding energy efficiency market activities, a review of the methodological and practical challenges associated with measuring the market and its components, and statistical analysis of energy efficiency and its impact on energy demand. It also highlights a specific technology sector in which there is significant energy efficiency market activity, in this instance appliances and ICT. The report presents a selection of country case studies that illustrate current energy efficiency markets in specific sectors, and how they may evolve in the medium term.

The energy efficiency market is diffuse, varied and involves all energy-consuming sectors of the economy. A comprehensive overview of market activity is complicated by the challenges associated with quantifying the components of the market and the paucity of comparable reported data. This report underscores how vital high-quality and timely energy efficiency data is to understanding this market.

This first Energy Efficiency Market Report sits alongside IEA market reports for oil, gas, coal and renewable energy, highlighting its place as a major energy resource. It summarises in one place the trends and prospects for investment and energy cost savings in the medium term, up to 2020.

This Report joins the IEA market reports for oil, gas, coal and renewable energy, highlighting energy efficiency’s place as a major energy resource. It summarises the trends and prospects for investment and energy cost savings in the medium term, up to 2020.

Energy Efficiency 2022 is the IEA’s primary annual analysis on global developments in energy efficiency markets and policy. It explores recent trends in energy intensity, demand and efficiency-related investment, innovation, policy and technology while also discussing key questions facing policy makers. This year record-high consumer energy bills and securing reliable access to supply are urgent political and economic imperatives for almost all governments. In response to the energy crisis countries are prioritising energy efficiency action due to its ability to simultaneously meet affordability, supply security and climate goals.

While efficiency investment has recently been increasing to reach new record levels, the pace of global energy intensity improvements had noticeably slowed in the second half of the last decade and virtually stalled during the first two years of Covid-19. With efforts to better manage energy consumption as a result of the crisis increasing the rate of improvement once more, the question as to whether 2022 will see a sustained efficiency turning point, and what more can be done, are key themes of this year’s 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.

Energy Efficiency 2020 is the latest edition of the IEA’s annual update on global developments in energy efficiency. Through analysis of energy data, policies and technology trends, it provides a comprehensive view of energy efficiency trends worldwide.

Energy efficiency plays an essential role in accelerating clean energy transitions and achieving global climate and sustainability goals. This year’s report focuses on the impact of the Covid-19 pandemic on energy efficiency and global energy markets this year, as well as analysis of 2019 trends. By analysing the inclusion and impacts of energy efficiency in stimulus packages, the report also highlights the role of efficiency in supporting sustainable recovery efforts around the world by creating jobs and stimulating spending while reducing greenhouse gas emissions.

Since 2015, improvements in global energy intensity have been weakening each year. Energy Efficiency 2019 examines the reasons for this slowdown, which has major implications for consumers, businesses, governments and the environment. The rate at which energy-using technologies are becoming more efficient is slackening, and at the same time societal changes are adding to energy demand faster than technological change can keep up. On top of this, progress on policy and investment remains flat.

In addition to tracking trends in energy efficiency policy, investment, and technology, this year’s report highlights how the digitalisation of our homes, businesses and transport systems provides immense opportunities to improve energy efficiency in systems and end uses. However, policy makers must engage with a range of challenging issues if the world is to harness digitalisation for greater energy efficiency. The IEA explores these with its new Readiness for Digital Energy Efficiency policy framework, presented in this report for the first time.

Energy Efficiency 2019 is the authoritative tracker of global energy efficiency trends, providing policy makers and others in the energy sector with crucial insights into the status of global energy efficiency.

Energy Efficiency 2018, the sixth edition in the IEA Market Report Series, is the global tracker of trends and indicators in energy efficiency and an invaluable resource for energy efficiency policy makers and market actors. This year’s report provides a special feature in the form of a new World Energy Outlook Efficient World Scenario, which answers the question: What would happen if policy makers realised all the economically viable potential for energy efficiency that is available with existing technologies? This Efficient World Scenario and historic data are used to examine the following questions:

• What is the current rate of global progress on improving energy efficiency?
• What opportunities are available to scale up global efforts on energy efficiency to 2040?
• What multiple benefits does energy efficiency deliver, and how might these grow in future?
• What are the current energy efficiency trends in the transport, buildings, and industry sectors?
• What are current levels of investment in energy efficiency and by how much does investment need to increase in future to realise the opportunity of the Efficient World Scenario?
• What innovations in energy efficiency finance and business models could be expanded to drive greater levels of energy efficiency investment?

The report also presents a detailed analysis of energy efficiency trends and drivers in the six major emerging economies of Brazil, China, India, Indonesia, Mexico and South Africa.

Energy Efficiency 2018 presents the most comprehensive analysis of current and future energy efficiency trends ever produced by the International Energy Agency, and its insights offer direct pointers to policy makers as to what policy solutions are available to deliver the economic, environmental and social benefits of energy systems that are as efficient as possible.

Energy efficiency is central to all global energy transitions. It is the world’s most available, secure and affordable energy resource and every government around the world has the power to further exploit efficiency for widespread benefit.

Energy Efficiency 2017 is the global tracker examining the trends, indicators, impacts and drivers of energy efficiency progress. The questions addressed in this year’s report include:

• How quickly is the world becoming more energy efficient? Which countries are making most progress?
• What are the impacts of energy efficiency on the global economy and energy system?
• How does energy efficiency affect global, regional and national energy security? How has policy, a key driver of energy efficiency, progressed globally?
• How does policy vary between countries, economic sectors and end-use appliances?
• How has energy efficiency affected household energy expenditure? What technology changes might unlock future savings?
• How is efficiency evolving in the major end-use sectors of industry, buildings and transport?
• What happened to energy efficiency investment in 2016? What business models and sources of finance are driving greater investment?
• How has the market for energy services changed? In which markets is energy efficiency being commoditised?

This year’s report also includes a special country focus on Indonesia, the largest energy consumer in Southeast Asia.

The IEA is working to improve understanding of the status, drivers and benefits of energy efficiency. Energy Efficiency 2017 is the key global tracker of energy efficiency progress and a vital information resource for policy makers and companies seeking to reap the multiple benefits of energy efficiency.

Energy efficiency is widely recognised as the most cost-effective and readily available means to address numerous energy-related issues, including energy security, the social and economic impacts of high energy prices, and concerns about climate change. At the same time, energy efficiency increases competitiveness and promotes consumer welfare. In this context, it is important to develop and maintain well-founded indicators to better inform policy making and help decision makers formulate policies that are best suited to domestic and/or international objectives.

This publication enables energy analysts and policy makers to identify priority areas for the development of energy efficiency indicators, define which sector(s) offer the greatest potential to further improve energy efficiency, select the data and indicators that best support policy development in these sectors, and develop a strategy to advance policy development through the improved use of indicators to track progress of energy efficiency policies.

 

This statistical report is designed to help understand what drives final energy use in IEA member countries in order to improve and track national energy efficiency policies.

It provides the first comprehensive selection of data that the IEA has been collecting each year after its member states recognised in 2009 the need to better monitor energy efficiency policies.

The report includes country-specific analysis of end uses across the largest sectors – residential, services, industry and transport. It answers questions such as:

• What are the largest drivers for energy use trends in each country?
• Was energy saved because of efficiency progress over time?
• How much energy is used for space heating, appliances or cooking?
• What are the most energy-intensive industries?

Improving energy efficiency is a critical step for governments to take to move towards a sustainable energy system. This report highlights the key role of end-use energy data and indicators in monitoring progress in energy efficiency around the world.

Energy efficiency is high on the political agenda as governments seek to reduce wasteful energy consumption, strengthen energy security and cut greenhouse gas emissions. However, the lack of data for developing proper indicators to measure energy efficiency often prevents countries from transforming declarations into actions.

This manual identifies the main sectoral indicators and the data needed to develop these indicators; and to make surveying, metering and modeling practices existing all around the world available to all. It has been developed with a companion document, Energy Efficiency Indicators: Essentials for Policy Making, as a starting point towards enabling policymakers to understand where greater efficiency is needed, to implement appropriate policies and to measure their impact.

Transport is the sector with the highest final energy consumption and, without any significant policy changes, is forecast to remain so. In 2008, the IEA published 25 energy efficiency recommendations, among which four are for the transport sector. The recommendations focus on road transport and include policies on improving tyre energy efficiency, fuel economy standards for both light-duty vehicles and heavy-duty vehicles, and eco-driving. Implementation of the recommendations has been weaker in the transport sector than others. This paper updates the progress that has been made in implementing the transport energy efficiency recommendations in IEA countries since March 2009. Many countries have in the last year moved from "planning to implement" to "implementation underway", but none have fully implemented all transport energy efficiency recommendations. The IEA calls therefore for full and immediate implementation of the recommendations."

Energy efficiency continues to play a critical role in improving living standards around the world and is the first and best response to simultaneously meet affordability, supply security and climate goals. As Kenya looks to drive forward its clean energy transition in the face of the global climate and energy crises, there is a growing role for energy efficiency in supporting its aims to ensure affordable, reliable access to electricity while allowing greater integration of renewable energy technologies.

As part of the Energy Efficiency in Emerging Economies (E4) Programme, this report aims to provide an overview of current progress in energy efficiency and its potential for improving people's lives through delivery of a sustainable, modern energy system. The report assesses progress, opportunities and challenges for energy efficiency across four key areas: Buildings, Appliances, Clean Cooking and Electricity System Losses.

The report gives suggestions on potential policy actions that can be taken to enhance progress, drawing on case studies and examples from Kenya and other countries in Africa and globally. It represents part of the IEA’s growing collaboration with Kenya in the build-up to the IEA’s Energy Efficiency in Emerging Economies Training Week and 9th Annual Global Conference on Energy Efficiency, which will take place in Nairobi in March and May 2024 respectively.

The purpose of this report is to highlight energy efficiency policy action and planning in IEA member and key non-member countries over the period from September 2011 to September 2012. The report provides an overview of energy efficiency policy developments across the seven sectors covered by the IEA 25 Energy Efficiency Policy Recommendations (25 EEPR) – Crosssectoral activities, Buildings, Appliances and Equipment, Lighting, Transport, Industry and Energy Providers.

Often called the “first fuel” of the global energy system, energy efficiency is one of the most important steps that any government can take to move towards a sustainable energy system.

To check on the progress made on this front, the IEA Energy Efficiency Market Report tracks the core indicators of energy efficiency. This year, the report takes a new approach and expands the scope of analysis by examining the drivers of energy efficiency programmes in emerging economies, as well as the impact of those policies.

Some of the questions that are addressed in this year’s report include:

• Which countries and policies are having the greatest impact, and what is the recipe for their success?
• Are we improving energy efficiency fast enough to achieve our climate goals?
• What is the size of energy efficiency investments around the world and in key energy-consuming sectors?
• What has been the impact of low energy prices on these efficiency investments?
• What are the benefits of efficiency programmes on climate policy, energy security and public budgets?
• What are the market trends for energy efficiency services and financing?

The Energy Efficiency Market Report is the global tracker for energy efficiency programmes, providing policy makers and the private sector with insights on the latest trends and market prospects.

Energy efficiency improvements over the last 25 years saved a cumulative USD 5.7 trillion in energy expenditures. This virtual supply of energy generates multiple benefits to governments, businesses and households, including greater energy security from reduced dependence on energy imports and billions of tonnes of greenhouse gas emissions reductions.

Strengthening our understanding of the energy efficiency market and the prospects over the medium term is becoming increasingly important. The 2015 Energy Efficiency Market Report (EEMR) evaluates the impact of energy efficiency in the energy system and assesses the scale and outlook for further energy efficiency investment using detailed country-by-country energy efficiency indicator data and IEA expertise.

This year’s report includes an in-depth look into the buildings energy efficiency market and the electricity sector. Energy efficiency investments in the buildings sector totaled between USD 80‑100 billion in 2014. In the electricity sector, energy efficiency has proved critical in flattening electricity consumption in Organisation for Economic Co‑operation and Development member countries, driving utilities to adapt their business models.

Promoting and expanding energy efficiency markets is a worldwide phenomenon, and EEMR 2015 presents a number of case studies at the national, state and municipal level. These include examinations of Latin America’s two largest economies, Brazil and Mexico, which are looking to efficiency to boost productivity and social development. Energy-producing countries like Saudi Arabia and the Russian Federation are also increasingly turning to efficiency to increase exports and reduce the costs of growing domestic energy consumption. In addition to national governments, major urban areas such as Tokyo, Seoul and Paris are increasingly enabling energy efficiency investment.

The evidence is clear: energy efficiency has played, and continues to play, a large and valuable role in the sustainable development of the global economy. The energy demand that is avoided as a result of steady improvements in the efficiency of energy-using stock such as buildings, cars and appliances is larger than the total final consumption from coal, oil or gas in IEA member countries.

The market for energy efficiency investments is very large – estimated between USD 310 billion and USD 360 billion in 2011 – and this market is producing results: total final consumption in IEA countries is estimated to be 60% lower today because of energy efficiency improvements over the last four decades. Since 2001, investments in energy efficiency in 18 IEA countries have helped to avoid over 1 700 million tonnes of oil-equivalent from being consumed.

This year’s report includes an in-depth look at energy efficiency developments in the transport sector and in finance. Huge new waves of demand for mobility are emerging in OECD non‑member economies, bringing with them the challenges of pollution and congestion already faced in OECD countries. Fuel-economy standards and other policies are expected to help shape the market for more energy-efficient vehicles in the years to come. In financial markets, energy efficiency is becoming an important segment in its own right, aided by a growing range of financial products. We document the growing scale and diversity of energy efficiency products and actors.

Finally, this report reviews national energy efficiency market developments in various jurisdictions around the world, including Canada, China, the European Union, India and Italy. These case studies provide snapshots of specific energy efficiency sub-markets, and insights into how these markets may evolve in the coming years.