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低温热能及蒸汽电气化
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2025年工业领域可再生能源应用:低温热能及蒸汽电气化研究报告(英文版)-IEA国际能源署
Sou Hu Cai Jing· 2025-12-27 17:40
Core Insights - The International Energy Agency (IEA) report highlights that the industrial sector accounts for 30% of global energy consumption, with low-temperature heat and steam demand representing 70% of this consumption, making electrification a cost-effective path for industrial decarbonization [1][14][29] - The report emphasizes the potential of electrification technologies such as industrial heat pumps, electric boilers, and thermal energy storage to significantly reduce emissions and enhance energy security [2][15][38] Group 1: Core Technologies and Application Potential - Industrial heat pumps can provide heat up to 150°C with a coefficient of performance (COP) around 3, while electric boilers can generate steam at 350°C and 70 bar pressure with efficiencies of 95%-98% [2][35] - The global potential for these technologies is substantial, with the EU able to reduce fossil fuel consumption by nearly 3,000 PJ and China by 9,000 PJ, corresponding to significant reductions in natural gas imports [2][41] - Thermal energy storage systems, using low-cost materials, can store energy at a cost of $15-20 per kWh, addressing the intermittency of renewable energy sources [2][36] Group 2: Regional Development Status and Differences - The EU is leading in electrification due to favorable policies and energy prices, with industrial heat pumps becoming cost-competitive in countries like Finland and Spain [3][39] - China is pushing for industrial electrification through its dual carbon goals, focusing on industrial parks and renewable energy integration, which can reduce steam costs significantly [3][41][44] - The ASEAN region faces challenges due to its reliance on coal, but has potential for solar energy integration in industrial parks, with ongoing financial reforms to lower barriers [3][45] Group 3: Key Barriers and Action Pathways - Major barriers to electrification include long grid connection times, unfair energy taxation, high upfront investment costs, and a shortage of skilled labor [4][46] - The report suggests six priority actions to accelerate electrification, including integrating heat electrification into national energy plans, reforming energy taxes, and enhancing workforce training [4][46][50]