Core Insights - The report highlights that global energy efficiency is expected to improve by 1.8% in 2025, which is an increase from 1% in 2024, but still falls short of the COP28 target of a 4% annual improvement by 2030 [30][31][60] - Key regions such as China and India are showing stronger progress, with energy intensity improvements estimated at over 3% and 4% respectively, while the US and EU are expected to see progress drop below 1% [30][31][72] Group 1: Global Trends - Global energy intensity progress has averaged 1.3% per year since 2019, which is significantly lower than the 2% average from 2010 to 2019, indicating a slowdown in efficiency improvements [31][51][60] - Four main factors are hindering faster progress: concentrated industrial energy demand growth, lagging policies behind technological advancements, increased cooling-related electricity demand, and rising electricity demand outpacing renewable supply [35][52][89] Group 2: Sector-Specific Progress - In the industrial sector, energy demand growth has accelerated, but energy intensity improvement has slowed to under 0.5% annually, compared to nearly 2% in the previous decade [37][89][97] - The building sector has seen 60% of new constructions comply with energy standards, but regional disparities in policy enforcement remain [2] - The transportation sector has experienced a significant rise in electric vehicle sales, accounting for 25% of global new car sales, particularly in emerging economies [2] Group 3: Policy and Investment - Over 250 new energy efficiency policies were implemented in 2025, covering over 85% of global energy demand, with more than 50 countries setting quantifiable efficiency targets in their Nationally Determined Contributions [40][54] - Global investment in energy efficiency is projected to reach nearly USD 800 billion in 2025, marking a 6% increase from the previous year [40][55] - Employment in energy efficiency is expected to reach 18 million by 2024, with a 6% annual growth, although the sector faces significant labor and skills shortages [41][56] Group 4: Value of Energy Efficiency - Energy efficiency measures have contributed to a 20% reduction in global energy-related emissions over the past 15 years, and have helped avoid a 20% increase in fossil fuel imports in IEA countries [3][43][44] - Efficiency improvements have led to a 20% reduction in household energy bills in advanced economies, enhancing energy affordability and competitiveness [42][43]
2025年全球能源效率报告（英文版）-IEA国际能源署
Sou Hu Cai Jing·2025-11-25 15:22