天然气长输管道的调压站，曾是能源浪费的"重灾区"。当高压天然气从西气东输主干线奔涌而至，需要经过多级调压才能进入城市管网，这个过程中释放的 巨大压力势能，过去只能通过减压阀白白耗散。据测算，仅西气东输一线工程，每年因调压损失的能量就相当于一座中型火电厂的发电量。 这种技术路径并非横空出世。上世纪80年代，欧美国家就开始探索余压发电，但受制于材料科学和精密制造水平，始终无法解决高压、小流量工况下的设备 磨损问题。中国工程师的解决方案充满东方智慧：用3D打印技术制造叶轮，通过可调节导流技术优化气流路径，再用自然通风系统替代传统电加热复热装 置——三招组合拳，让设备寿命从行业平均的5年延长至15年。 二、技术自主：从"卡脖子"到"领跑者"的逆袭 11月19日，当江苏南通的海门站天然气余压发电项目正式投运，中国能源领域的一场静默革命悄然拉开帷幕。这个全球能源版图上的新兴玩家，用一套自主 研发的"余压回收系统"，在高压天然气输送管道上撕开了一道绿色裂口——每年300万千瓦时的清洁电力，相当于从空气中"抠"出2000吨二氧化碳，这组数 据背后，藏着中国能源转型的深层密码。 一、被浪费的"压力"：一场持续三十年的能源革命 ...

Core Viewpoint - The onset of winter heating season in northern China has prompted energy companies to fully activate their winter supply modes to ensure energy security during peak demand periods [1][2]. Energy Supply and Infrastructure - A liquefied natural gas (LNG) carrier with a capacity of 69,000 tons has docked in Qingdao, marking the seventh LNG shipment received at the station since October [2]. - The Tianjin LNG receiving station has improved unloading efficiency and storage capacity through a "dual-ship docking" operation model, achieving an average daily gas output of approximately 10 million cubic meters, with peak capacity reaching 58 million cubic meters [2]. - China National Petroleum Corporation (CNPC) has arranged a 3.7% year-on-year increase in natural gas supply resources for the winter heating season, accounting for about 60% of the domestic supply [3]. - The national gas pipeline network has seen a daily gas transmission volume exceeding 72 million cubic meters, reflecting an over 8% year-on-year growth [6]. Storage and Supply Readiness - Various gas storage facilities have completed their annual injection tasks ahead of schedule, with the Liaohe gas storage facility in Northeast China starting its winter supply mode, holding over 3 billion cubic meters of gas [7][8]. - The Tarim Oilfield's four gas storage facilities have achieved a record injection volume of 1.2 billion cubic meters, ensuring sufficient supply for the winter [8]. Green Energy Initiatives - The winter heating season has incorporated more green energy sources, including industrial waste heat and geothermal energy projects, contributing to lower carbon emissions [9][10]. - The "Liao Heat into Jinan" project utilizes industrial waste heat to provide heating, capable of meeting the heating needs of 1 million square meters while reducing coal consumption by approximately 1.29 million tons annually [10]. - China Petroleum has launched geothermal heating services across 11 provinces, providing clean heating for over 1.2 million households and achieving a cumulative geothermal heating capacity of 12.6 million square meters [11][12].

内蒙古能源局介绍，苏东39-61储气库的"开阀"工作，为保障区域冬季民生用暖、经济运行提供重要资 源保障。 公开资料显示，苏里格气田是目前中国陆上探明储量规模最大的整装气田。作为保障京津冀地区、内蒙 古周边区域的主力气源地，该气田今年已实现多项历史性突破：日产天然气首次突破1亿立方米，年产 天然气跨越300亿立方米，累计生产天然气突破3000亿立方米。(完) （文章来源：中国新闻网） 中新网呼和浩特11月19日电 (记者李爱平)内蒙古自治区能源局19日消息称，位于内蒙古鄂尔多斯市乌审 旗的苏东39—61储气库今冬正式"开阀"运行，将有力保障京津冀及周边地区天然气稳定供应。 苏东39—61储气库是国家石油天然气基础设施重点工程，于2022年建成投产，是内蒙古首座与气田合建 的天然气地下储气库。该储气库于今年4月中旬开始注气，历经近200天持续注气储备工作，于今年10月 底成功储备7.5亿立方米天然气，创年度储备量新高。 据悉，依托苏里格气田的气源就近优势，苏东39—61储气库具备快速响应的独特优势，通过陕京(陕 西、北京)线、长呼(长庆、呼和浩特)线等重要输气管道，为京津冀及周边地区天然气供应提供重要调峰 和应 ...

Core Insights - Germany's natural gas storage capacity is at 75% at the start of the heating season, falling short of the expected 81% by early November [1] - The current storage level is significantly lower than the previous year's 98% for the same period [1] - High natural gas consumption has prevented an increase in storage levels since September [1] Group 1: Current Storage Situation - The German Natural Gas Storage Initiative reports that the storage capacity reached 75%, which is below expectations [1] - The storage level has not improved due to higher-than-expected consumption [1] - The forecast suggests that if winter is mild, storage could maintain at least 30% by early February [1] Group 2: Potential Risks - In the event of severe cold weather similar to that of 2010, existing stocks could be depleted by mid-January [1] - The association's head, Sebastian Heinemann, urges the government to implement measures for stable and affordable gas supply [1] Group 3: Historical Context and Supply Challenges - Prior to the escalation of the Ukraine crisis in February 2022, Russia was the largest single supplier of natural gas to EU countries, with Germany importing about half of its gas from Russia [1] - Following sanctions against Russia, gas supply to EU countries has significantly decreased, leading Germany to seek alternative supply channels [1] - Despite efforts to diversify, Germany continues to face tight supply and soaring prices [1]

Group 1 - The core point of the article highlights that Germany's natural gas storage capacity at the beginning of the heating season is only at 75% of total capacity, falling short of expectations [1][3] - The expected storage capacity for early November was projected to be 81%, but the actual level is significantly lower than the previous year's 98% [1][3] - The storage capacity reached the current level in September, but higher-than-expected gas consumption has prevented an increase [3] Group 2 - The association predicts that if the winter weather is mild, the gas storage level could maintain at least 30% by early February, meeting legal requirements [3] - However, if extreme cold weather similar to that of 2010 occurs, the existing inventory may be depleted by mid-January [3] - The association's head, Sebastian Heinemann, urges the German government to implement measures to ensure stable and affordable natural gas supply to storage facilities [3] Group 3 - Prior to the escalation of the Ukraine crisis in February 2022, Russia was the largest single natural gas supplier to EU countries, with Germany importing about half of its gas from Russia [4] - Following a series of sanctions against Russia by the EU, the gas supply from Russia to EU countries has significantly decreased [4] - Germany has sought alternative gas supply channels to reduce dependence on Russian gas but continues to face supply tightness and soaring prices [4]

Core Viewpoint - The first high-pressure natural gas long-distance pipeline pressure recovery power generation project in China has officially commenced operations in Jiangsu Nantong, marking a breakthrough in the comprehensive utilization of energy in long-distance pipelines [1][3]. Group 1: Project Overview - The Hai Men Station natural gas pressure recovery power generation project efficiently utilizes excess pressure resources during high-pressure natural gas transportation, converting pressure potential into mechanical energy to generate clean electricity [1]. - The project is expected to generate approximately 3 million kilowatt-hours of electricity annually, equivalent to reducing carbon dioxide emissions by over 2000 tons [1]. Group 2: Technological Innovations - The core equipment for the power generation project has been independently developed and manufactured in China, featuring adjustable flow technology and 3D-printed impellers, which enhance the efficiency of low-temperature natural gas reheating while significantly reducing the equipment's own energy consumption [3]. - The new equipment operates in parallel with the existing pressure regulation system, ensuring a reliable gas supply for residents and businesses even if the power generation equipment is offline [3]. Group 3: Future Plans - The company plans to gradually promote megawatt-level domestically produced pressure recovery power generation equipment in typical distribution stations in the Yangtze River Delta region [5]. - It is estimated that the total installed capacity of high-pressure natural gas long-distance pipeline pressure recovery power generation projects in China will reach 42,000 kilowatts under the natural gas self-reheating scheme [5].

据内蒙古自治区能源局消息，今冬以来，内蒙古充分发挥国家重要能源和战略资源基地作用，位于鄂尔 多斯市乌审旗的苏东39-61储气库于11月15日正式运行，将有力保障京津冀及周边地区天然气稳定供 应。 内蒙古自治区能源局相关负责人表示，苏东39-61储气库的"开阀"，标志着自治区储气库已正式加入天 然气冬季保供大军，天然气供应体系已从储备状态进入到调峰保供的实战状态，将为区域冬季民生用 暖、经济运行提供重要资源保障。（侯倩） （文章来源：新华财经） 据了解，苏东39-61储气库是国家石油天然气基础设施重点工程，于2022年建成投产，是内蒙古首座与 气田合建的天然气地下储气库。 该储气库实施"夏注冬采"工作模式，于2025年4月中旬开始注气，历经近200天持续注气储备工作，于10 月底成功储备7.5亿立方米天然气。 依托苏里格气田的气源，苏东39-61储气库具备快速响应的独特优势，通过陕京线、长呼线等重要输气 管道，为京津冀及周边地区天然气供应提供调峰和应急补充，单日最高外输量可突破620万立方米，预 计整个采气季将累计供气超4.8亿立方米。 ...

Group 1 - The core viewpoint of the articles highlights the explosive growth of the US LNG market driven by Europe's urgency to reduce dependence on Russian gas and increased energy procurement from the US by Asia [1][2] - In 2023, US LNG developers have signed sales and purchase agreements (SPAs) totaling 29.5 million tons, which is more than four times the annual contract volume of 7 million tons expected for 2024 [1] - The US LNG industry is on track to achieve the second-highest export signing volume in history, following 2022, due to favorable market and regulatory conditions [1] Group 2 - Six US LNG projects have completed Final Investment Decisions (FID) this year, a record number, contributing to a global LNG financing total of $72 billion [2] - The US Energy Information Administration (EIA) projects that US LNG export capacity will increase by 5 billion cubic feet per day between 2025 and 2026, with export volumes expected to rise from 11.9 billion cubic feet per day in 2024 to 16.3 billion cubic feet per day in 2026 [2]

Group 1: Natural Gas Pressure Power Generation Project - The first high-pressure natural gas long-distance pipeline pressure power generation project in China, the Haimen Station natural gas pressure power generation project, has officially commenced operations in Nantong, Jiangsu [1] - The project efficiently utilizes excess pressure resources during high-pressure natural gas transportation, marking a breakthrough in the comprehensive utilization of energy in long-distance pipelines [1] - The project converts pressure potential into mechanical energy through the recovery of excess pressure from the pipeline, ultimately generating clean electricity [1] Group 2: Technical Innovations and Environmental Impact - The new technology guarantees normal gas supply while generating approximately 3 million kilowatt-hours of electricity annually, equivalent to reducing carbon dioxide emissions by over 2,000 tons [2] - The core equipment of the power generation project is independently developed and manufactured in China, featuring adjustable flow technology and 3D-printed impellers, which enhance energy efficiency and address technical challenges [2] - The new equipment operates in parallel with the existing pressure regulation system, ensuring uninterrupted gas supply for residents and businesses in case of power generation equipment downtime [2] Group 3: Future Developments and Expansion Plans - The company plans to gradually promote megawatt-level domestically produced pressure power generation equipment in typical distribution stations in the Yangtze River Delta region [2] - The total installed capacity of the high-pressure natural gas long-distance pipeline pressure power generation project is estimated to reach 42,000 kilowatts under the natural gas self-reheating scheme [4] Group 4: "West-to-East Power Transmission" Project - The Anhui section of the "West-to-East Power Transmission" project, a significant national initiative, has been fully completed as of November 18 [4] - The Anhui section spans 323 kilometers and includes the construction of 672 transmission towers, with overall project progress exceeding 80% [6] - The entire "West-to-East Power Transmission" line is 1,055 kilometers long, with a total investment of 20.5 billion yuan, expected to be fully operational by the end of June 2026, delivering over 36 billion kilowatt-hours of electricity annually, more than half of which will be renewable energy [7]

我国自主研发设计并制造发电项目的核心设备，创新采用了可调节导流技术与3D打印叶轮，以自然通 风方式对低温天然气进行高效复热，在显著减少设备自身能耗的同时，成功解决了高压力、小流量等多 项技术难题，实现了资源节约与环保效益的双重提升。新设备与站场原有调压系统并联运行，若遇发电 设备停机，原有系统可依托自动分输功能无间断接管供气任务，为居民及企业的安全稳定用气提供了可 靠的双重保障。 国家管网集团西气东输公司副总经理 王世君：下一步，我们将在长三角地区典型分输站逐步推广兆瓦 级国产化余压发电装备，持续推进绿色低碳技术集成应用。 据测算，在采用天然气自复温的方案的条件下，我国高压天然气长输管道余压发电项目总装机容量达到 4.2万千瓦。 记者今天（19日）从国家管网获悉，我国首个高压天然气长输管道余压发电项目，海门站天然气余压发 电项目在江苏南通正式投入运营，项目实现了在高压天然气输送过程中对余压资源的高效利用，标志着 我国在长输管道能源综合利用领域取得突破。 海门站天然气余压发电项目是通过回收管道输送天然气到城市门站的余压，把这种压力势能转化成机械 能，再带动膨胀发电机组转动，最终发出清洁电力。 国家管网集团西气东 ...