国际能源署IEA：能效2025研究报告（英文版）

Core Insights - The International Energy Agency (IEA) projects a global energy efficiency improvement of 1.8% in 2025, an increase from 1% in 2024, with significant advancements expected in China and India, while the US and EU are expected to see declines below 1% [23][24][42] - Despite the anticipated improvements, the global energy intensity progress remains below the COP28 target of 4% annual improvement by 2030, with an average of 1.3% since 2019 [24][41] Global Trends - Energy intensity improvement is expected to rise to 1.8% in 2025, with China and India showing potential recoveries at 3.5% and over 4% respectively, while the US and EU are projected to fall below 1% [42][60] - Four key trends hindering faster progress include industrial energy demand growth, lagging policies behind technological advancements, increased cooling-related electricity demand, and rising electricity demand outpacing renewable supply [29][41] End-Use Sectors - In the industrial sector, energy intensity improvement has slowed to under 0.5%, with two-thirds of global final energy demand growth since 2019 concentrated in this area [29][30] - The building sector has seen nearly 60% of new constructions adhere to energy efficiency standards, with renovation investments increasing over 20% since 2019 [2] - In the appliance sector, energy efficiency standards for air conditioners and refrigerators have a coverage rate of 90%, while cooking appliances lag at 40% [2] Policy and Investment - Over 250 new energy efficiency policies were implemented globally in 2025, covering over 85% of global energy demand, with significant activity in the EU and Asia-Pacific regions [31][38] - Global investments in energy efficiency are projected to reach nearly USD 800 billion in 2025, with China, the US, and the EU accounting for two-thirds of this investment [31][44] - The efficiency sector employed nearly 18 million people in 2024, with a 6% increase from the previous year, but faces ongoing labor and skills shortages [32][45] Energy Policy Priorities - Energy efficiency has played a crucial role in reducing greenhouse gas emissions by 20% over the past 15 years and has helped avoid a 20% increase in fossil fuel imports in IEA countries [33][35] - Efficiency actions have reduced household energy bills by up to 20% in advanced economies, and several major economies are linking efficiency policies to energy affordability [34][36]