Energy Efficiency 2024 is the IEA’s primary annual analysis on global energy efficiency developments, showing recent trends in energy intensity and demand, prices and policies. The report provides sector-specific analysis on buildings, appliances, industry and transport and explores system-wide themes such as electrification, flexibility, investment and employment. This report is launched in parallel with the new IEA Energy Efficiency Progress Tracker, which can be accessed directly through the IEA website.
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Table of Contents
- Energy Efficiency 2024 1
- Abstract 3
- Acknowledgements 4
- Table of contents 8
- Executive summary 9
- A year on from the historic agreement to double global energy efficiency progress, the world is not yet on track to achieve it 9
- Energy efficiency is key to meeting global goals such as moving away from fossil fuels and lowering emissions 10
- Meeting global efficiency ambitions requires a step up in policy implementation 10
- Efficiency investment in 2024 is projected to remain flat 11
- Nearly 10 million people work in energy efficiency-related jobs, but shortages of skilled workers risk hindering progress 11
- Coping with rising temperatures and spikes in electricity use from heatwaves requires faster rollout of efficient cooling 12
- Electrification is a bright spot in 2024, driven by rising sales of electric vehicles 12
- Governments increasingly turn to efficiency to lower bills 13
- Emerging and developing economies are key to global efficiency progress and are ramping up policy action 13
- International co-operation is crucial to accelerate progress 14
- The policies and technologies to double global efficiency progress by 2030 already exist today 15
- Chapter 1. Global trends 17
- 1.1 Energy intensity and demand 17
- A year on from the historic agreement to double global energy efficiency progress, the world is not yet on track to achieve it 17
- Industry and cooling-driven electricity demand is pushing energy use higher despite oil demand pressures easing 18
- Energy intensity progress slows in advanced economies while it accelerates slightly in many emerging economies 19
- Efficient electrification is a bright spot in an otherwise weak year of energy intensity progress at the global level 20
- Global energy intensity progress needs to accelerate to achieve a sustained rate consistent with net zero pathways 21
- Energy efficiency is key to moving away from fossil fuels 23
- Energy efficiency improvements could deliver over a third of all CO2 emission reductions between now and 2030 24
- IEA launches a new Energy Efficiency Progress Tracker to provide countries with the most recent data on global trends 25
- 1.2 Prices and affordability 25
- Consumer energy prices are slowly coming down in many regions, but remain higher than before the global energy crisis 25
- Short-term government initiatives designed to shield consumers from price spikes are ending in most countries 27
- Higher prices do not necessarily lead to immediate efficiency gains, but action on efficiency can mitigate future price rises 28
- Targeting energy efficiency measures at lower-income households can optimise impact while easing public spending 28
- Policy design can increase access to affordable energy efficient technologies for lower-income households 30
- 1.3 International developments 31
- Collective aim to double global efficiency improvements by 2030 sets benchmark for progress in coming years 31
- 1.4 Policy developments 32
- Over USD 1 trillion in government spending has been earmarked to support energy efficiency this decade 32
- Energy efficiency targets should be an important pillar of the updated Nationally Determined Contributions in 2025 35
- Chapter 2. Sectors 37
- Greater efficiency progress across all end-use sectors can help mitigate rising energy demand towards 2030 37
- 2.1 Buildings 38
- Energy intensity progress in buildings accelerates in 2023 38
- Almost half of newly built floor area is not yet covered by energy efficiency requirements 40
- Comprehensive building energy codes can help improve efficiency in buildings, lower bills and ensure optimal comfort 41
- New IEA methodology compares stringency of energy efficiency requirements in different countries and climates 43
- Improving efficiency in existing buildings is pivotal to accelerate progress, and requires an integrated approach 45
- Spotlight: Does a heat pump work in a house with poor insulation? 46
- Even with poor insulation, heat pumps still save energy 46
- Heat pumps can also lower energy bills, but this depends on the cost of gas and electricity in each country 47
- 2.2 Appliances 48
- Energy consumption of appliances is increasing, but efficiency offers rapid improvements due to high turnover rates 48
- Coverage of energy performance standards is rising across technologies, but there is potential for international alignment 49
- Energy performance standards are becoming more ambitious 50
- Many countries combine minimum energy performance standards with labels in an integrated policy approach 51
- More efficient devices are not necessarily more expensive 52
- Efficient models are significantly cheaper when considering both upfront investment and energy costs 53
- 2.3 Industry 56
- Industrial energy use is growing, but changes in the fuel mix are tempering the increase in emissions 56
- Less intensive industry can deliver on energy efficiency goals 58
- Electrification offers quick efficiency gains, particularly for less intensive industries 59
- Energy management systems have achieved energy savings across all industry sectors 60
- Industry players signal accelerating action on efficiency 61
- More stringent standards increase energy efficiency in motors 62
- 2.4 Transport 63
- Transport energy consumption passing pre-pandemic levels with regional differences 63
- Efficiency policy for heavy-duty vehicles steps up a gear 65
- Road fuel demand is approaching its peak 66
- Policy action on passenger cars is driving forward 67
- Affordability and accessibility are key for transport efficiency 68
- Clean transport alternatives keep gaining traction in cities 69
- Electric two- and three-wheelers become cost-competitive 70
- Chapter 3. System-wide themes 71
- 3.1 Electrification 71
- Electrification grows rapidly across all sectors, powering improved energy efficiency gains 71
- Efficient electrification can reduce energy use by more than two-thirds for key end-use technologies 72
- Policy support for electrification is increasing, with a strong focus on incentives 73
- Tariff structures affect the benefits of faster electrification 74
- Spotlight: How can energy efficiency alleviate rising heatwave-driven electricity demand? 75
- Another year of high temperatures leads to new electricity demand records and power outages 75
- Electricity demand in emerging economies continues growing at a record pace, fuelled by new air conditioner installations 76
- Air conditioner sales are rising rapidly in many regions, with less efficient models dominating sales 77
- High-efficiency air conditioners limit the increase in power demand during heatwaves 78
- 3.2 Flexibility 79
- Unlocking flexibility can mitigate pressure on grids and improve affordability 79
- More countries experienced negative electricity prices in 2024, signalling the need for new tariff structures and more flexibility 80
- Governments are rolling out policies to support flexibility through storage, demand response and market mechanisms 81
- Digitalisation is presenting opportunities for consumers to help unlock flexibility 81
- 3.3 Finance 83
- Efficiency investment is resilient and projected to reach about USD 660 billion in 2024 83
- Emerging economies expected to lead investment growth in 2024, while larger markets stabilise after high crisis spending 84
- Around one in five new cars sold globally is electric, while two- and three-wheelers drive electrification in emerging markets 85
- Strong efficiency investment in buildings during the energy crisis fades as heat pump sales ease back from recent highs 86
- Lower interest rates set to help households continue to drive the bulk of efficiency investment 87
- The market for energy service companies posts a slight decrease in 2023, led by cuts in public subsidy programmes 88
- Spotlight: What is required to scale up energy efficiency investments by 2030? 89
- Governments should develop comprehensive investment strategies tailored to their unique circumstances 89
- Which sectors and regions are key for increasing investment? 90
- What are the key sources of investment in energy efficiency? 91
- What are the financing solutions and business models that can best support greater efficiency investment? 92
- What are the main steps that governments can take to help households and businesses increase investment levels? 93
- 3.4 Employment 94
- Energy efficiency employment has reached a total of nearly 10 million people in 2023, but growth is uneven across regions 94
- A shortage of skilled workers is a major barrier to meeting the growing workforce demand 95
- Increasing gender diversity can help address labour shortages 96
- Chapter 4. Regions 98
- Emerging markets and developing economies are key to a global doubling of energy efficiency progress 98
- 4.1 China 100
- China aims to accelerate progress following a recent slowdown in energy intensity improvement 100
- China launched a special action plan with updated energy efficiency targets for 2024 and 2025 101
- China scales up energy efficiency investment through retrofits and accelerated trade-in of appliances and cars 102
- Electricity demand continues to increase rapidly amid challenging peak summer temperatures 103
- Without energy efficiency, industrial energy demand in China would have been more than 50% higher 104
- 4.2 India 105
- India posts strong energy efficiency improvements in 2024, accelerating progress compared to the past four years 105
- India scales up investment in energy efficiency through a combination of policy instruments 106
- Two- and three-wheelers lead India’s electric vehicle momentum as government policies boost local manufacturing 108
- India is strengthening building energy codes, providing the policy signal to states for stronger compliance 109
- 4.3 Southeast Asia 111
- Energy efficiency progress in Southeast Asia follows global trends this year, seeing a slight improvement in 2024 111
- Accelerating progress requires a shift of investments from fossil fuels towards energy efficiency 112
- The projected rise in energy demand from cooling technologies can be tempered by improving efficiency 113
- Clean cooking has improved lives and greatly reduced kerosene and traditional biofuel use in the region 114
- Industry accounts for the largest source of energy demand and transport shows greatest potential for efficiency gains 114
- Opportunities to increase regional efficiency targets abound 115
- 4.4 Africa 116
- Annual efficiency progress has nearly doubled in 2022-2024 compared to the last decade, amid rapid economic growth 116
- Investments in efficiency can mitigate energy demand growth 117
- Regulation can drive efficiency in second-hand markets 118
- Growing momentum towards electric mobility paves the way for efficient transport 119
- Buildings continue to dominate energy consumption, but efficiency policies are reducing their energy intensity 120
- Spotlight: How is the dumping of inefficient equipment affecting efficiency progress? 121
- Differing regulatory frameworks open the door to inefficient equipment dumping 121
- Outdated used equipment is flooding markets in lower-income countries, leading to a dominance of inefficient appliances 122
- Appliances not in line with standards in producer countries are exported to regions with weaker regulations 124
- Good policies and international co-operation are needed to prevent the practice of inefficient equipment dumping 126
- 4.5 Latin America 127
- After several years of progress, energy efficiency in Latin America is showing signs of slowing down in 2024 127
- Investments in end-use sectors in Latin America are set to grow in 2024 128
- Latin America is a rapidly growing market for electric cars 129
- The energy efficiency potential of buildings in the region remains largely untapped 130
- A growing number of countries are implementing appliance standards, but existing ones can rapidly become outdated 131
- Annex 133
- Abbreviations and acronyms 133
- Units of measure 134