8月22日，国内隧洞直径最大的引水式电站——大渡河硬梁包水电站全面投产发电，可满足215万户家庭 一年的用电需求，为我国能源保障再添"绿色引擎"。 硬梁包水电站采用长隧道引水开发方式，通过修建两条长达14.4公里的引水隧洞，将水位差从26米提升 至116米，借助大水位差发电。隧洞最大开挖洞径达16.7米，刷新国内引水式水电站隧洞开挖直径的最 大纪录。 调压室高度118.2米，是国内最高地下长廊型阻抗式调压室。 硬梁包水电站全面投产后，每年可提供清洁能源超51.8亿千瓦时，可节约标准煤约155万吨，减少二氧 化碳排放约407万吨，为我国绿色低碳发展作出重要贡献。 电站位于四川省甘孜藏族自治州泸定县境内，是国家电力发展"十三五"规划重点项目，大渡河干流梯级 规划开发中的第14级电站，总装机容量111.6万千瓦。 覆盖层深度130米，是国内高地震烈度区基础覆盖层最深面板坝； 泄洪流量89立方米每秒，是国内深厚覆盖层基础水闸最大泄洪单宽流量； 进水口宽度123米，是国内最宽集中布置进水口； 此外，硬梁包水电站还创造了多项纪录。 电站装机由大厂房4台27万千瓦混流式和生态厂房1台3.6万千瓦轴流转桨式机组组成，是国内装 ...

"两山"理念的四川实践 ●从长江黄河上游的生态担当到清洁能源的西部标杆，从公园城市的山水共生到民族地区的绿色 共富，从市场机制的价值转化到数智技术的绿色动能，四川的"两山"实践彰显保护即发展的辩证 智慧，为美丽中国建设提供了兼具地方特色和全局意义的解题方案——守护绿水青山，终得金山 银山；致力向绿而行，方能永续发展 智绿生金，推动科技驱动生态治理。科技赋能是提升"两山"转化效能的强大杠杆，其核心在于以 数智化手段破解传统治理瓶颈，提升生态系统保护效率，并为生态产业运营提供核心驱动力。四 川依托科技创新优势，构建了"数字治理+生态增值+价值转化"全链条科技赋能体系，形成科技驱 动"两山"转化的新模式。建成覆盖全省的实景三维数据库，率先试点自然资源确权"三维登记"， 通过自然资源资产数字化确权，实现生态资源可量化、可交易。在大熊猫国家公园应用"卫星遥感 +无人机+AI识别"智能监测系统，实时观测栖息地变化，并预警森林火灾。都江堰渠首数字孪生 系统大幅缩短了洪涝预警响应时间，提高了水资源利用率。创新开发"空天地"一体化生态碳汇评 估平台，构建覆盖四川全域碳汇资源动态监测体系，实现碳汇精准计量。 逐绿向新，促进新质生 ...

本报讯（四川日报全媒体记者 李欣忆）8月22日，国内隧洞直径最大的引水式电站——大渡河硬 梁包水电站全面投产发电，每年可提供清洁能源超51.8亿千瓦时，为我国能源电力保障再添绿色 动力。硬梁包隧洞最大开挖洞径达16.7米，刷新国内引水式水电站隧洞开挖直径的最大纪录。 硬梁包水电站位于甘孜州泸定县境内，是国家电力发展"十三五"规划重点项目，大渡河干流梯级 规划开发中的第14级电站，总装机容量111.6万千瓦，由中国电建集团成都勘测设计研究院有限公 司规划论证和全阶段勘测设计。成都院项目设计负责人介绍，综合考虑环境保护、资源利用、地 质地形和地震条件等因素，电站采用长隧道引水开发方式，通过修建两条长达14.4公里的引水隧 洞，将水位差从26米提升至116米，借助大水位差发电。电站设计应用了国产化监控系统、智能厂 用电管理系统、智能照明系统等先进技术，全面提高了自主可控化、数字智能化、节能降耗水 平。 该水电站还创造了多项纪录，电站装机由大厂房4台27万千瓦混流式和生态厂房1台3.6万千瓦轴流 转桨式机组组成，是国内装机容量最大的一站两厂房联合送出电站；电站闸坝高41米，是国内深 厚覆盖层基础最高混凝土闸坝；覆盖层 ...

"下一步，余杭街道将以此次研学活动为契机，联动更多社区与环保企业，设计系列沉浸式体验课 程。通过亲子实践、校园课堂、社区互动等多元场景，将垃圾分类的理念转化为居民的日常习惯，让绿 色发展的'种子'在余杭大地上持续生长。"余杭街道相关负责人表示。 "原来垃圾处理还有这么多步骤！""做好垃圾分类就能帮助工程师叔叔提升垃圾焚烧效率！"在场青 少年纷纷分享自己的感悟。随后，他们还用画笔描绘出自己心目中的"未来环保工厂"。一幅幅充满想象 力的绿色蓝图，展现了他们对环保的思考。 此次活动将抽象的环保理念转化为可触可感的现实体验，让垃圾分类的理念在青少年心中扎下了 根。近年来，余杭街道不断探索垃圾分类的创新路径，以家庭为单位激活环保力量，通过开展工业研 学、互动课堂等多样化活动，让居民从"知道分类"到"理解分类"再到"践行分类"，成为绿色家园的守护 者。 近日，余杭区余杭街道云轩社区开展绿色研学活动，邀请辖区亲子家庭探秘余杭区九峰环保能源科 普基地，见证生活垃圾从"城市废弃物"到"清洁能源"的神奇蜕变。 现场，青少年的目光被科技感满满的中央控制室牢牢吸引。巨大屏幕上，焚烧炉温度、烟气排放指 标等关键数据实时跳动，让他们直观 ...

率中央代表团出席西藏自治区成立60周年庆祝活动的中共中央总书记、国家主席、中央军委主席习近平，20日听取西藏自治区党委和政府工作汇报。习近 平强调—— 习近平 在听取西藏自治区党委和政府工作汇报时说 2025年8月20日 THE PRODUCTION THE PERSONAL PRODUCTION OF THE CONTRACT OF THE CONTRACT OF THE CONTRACT OF THE CONTRACT OF THE CONTRACT OF THE CONTRACT OF TH and and the TTP:// HILD EXHIBITITI 面直是 WWW.CHINANEWS.COM.CN 治藏稳藏兴藏, 年是要保持西藏的 政治安定。 社会稳定、 展族团结、 宗教和顺。 习近平 在听取西藏自治区党委和政府工作汇报时说 2025年8月20日 SHHHHHHHHHHH TTITUTION CONTRACT PART THE PERCENT PARTY 要积极创建 全国民族团结进步模范区, 推广普及国家通用语言文字, 促进各民族交往交流交融, 推动西藏与内地 经济、文化、人员双向交流。 习 ...

Group 1 - The core viewpoint of the article is the strategic cooperation agreement signed between Hainan Provincial Government and China Datang Group, focusing on green development and clean energy initiatives [1] - The agreement emphasizes collaboration in areas such as offshore wind power, clean energy, new energy storage, innovative applications of new energy technologies, and carbon trading [1] - The partnership aims to support the construction of Hainan Free Trade Port by leveraging the strengths of both parties [1]

Core Viewpoint - The company is committed to energy conservation and carbon reduction, positioning itself as a leader in green energy production and innovation, contributing significantly to national clean energy goals and carbon reduction efforts [1][2]. Group 1: Technological Innovation - The company has invested 150 million yuan in boiler ultra-low emission upgrades, implementing advanced technologies to ensure long-term compliance with stringent emission standards [1]. - The project is expected to reduce greenhouse gas emissions by 1,584 tons annually, supporting national carbon reduction targets [1]. Group 2: Energy Efficiency Improvements - Major technological upgrades have led to significant reductions in resource consumption: steam, electricity, and circulating water consumption decreased by 13%, 6%, and 36% respectively [2]. - The implementation of a zero-discharge cooling water project is projected to reduce wastewater discharge by 800,000 cubic meters annually and chemical oxygen demand by 12 tons [2]. Group 3: Smart Technology Integration - The company is enhancing operational efficiency through variable frequency drive modifications, achieving energy savings of 15% to 20% [2]. - The replacement of a 200 kW high-pressure motor with a 160 kW low-pressure motor is expected to generate annual electricity savings exceeding 2 million yuan [2]. - The deployment of a QR code system for equipment management is anticipated to improve management efficiency by 50% [2].

Group 1 - The stock price of Jiufeng Energy as of July 31, 2025, is 26.91 yuan, down 0.75 yuan or 2.71% from the previous trading day [1] - The company's main business includes clean energy, energy services, and specialty gases, with clean energy accounting for 89.16% of its business in 2024 [1] - Jiufeng Energy has repurchased a total of 2.8765 million shares, representing 0.43% of its total share capital, with a total repurchase amount of 76.57 million yuan at prices ranging from 25.52 yuan to 28.18 yuan [1] Group 2 - In the first quarter of 2025, Jiufeng Energy achieved operating revenue of 5.484 billion yuan and a net profit attributable to shareholders of 506 million yuan [1] - On July 31, the net inflow of main funds was 7.0967 million yuan, accounting for 0.04% of the circulating market value [2]

Group 1 - The rapid growth of clean energy generation is leading to increasing challenges in its consumption, particularly due to the inherent volatility and intermittency of wind and solar resources, which complicates the power balance in the electricity system [1] - The existing grid infrastructure is struggling to adapt quickly to the demands of large-scale renewable energy integration, with current technologies like flexible coal plant modifications and large-scale energy storage not meeting the requirements for high proportions of clean energy in the grid [1] - Distributed renewable energy consumption is limited by the capacity of distribution networks, leading to increased instances of curtailment of wind and solar energy due to constraints in transmission and voltage issues [1] Group 2 - To enhance the operational flexibility of grids with high proportions of clean energy, it is essential to leverage virtual power plants to aggregate demand-side resources, enabling better resource optimization through active participation from various sectors [2] - Demand-side flexibility resources, such as electric vehicles and industrial loads, offer lower adjustment costs and broader adjustment ranges compared to grid infrastructure upgrades, but require organized aggregation to achieve scalable responses [2] - Promoting local consumption of distributed energy involves assessing the carrying capacity of distribution networks, allocating available capacity, and designing flexible local markets for surplus renewable energy [2]

Core Points - The 7th China-Arab States Expo will be held from August 28 to 31 in Yinchuan, Ningxia, co-hosted by the Ministry of Commerce, China Council for the Promotion of International Trade, and the Ningxia Hui Autonomous Region government [1][3] Group 1: Event Overview - The theme of the expo is "Innovation, Green, Prosperity," featuring a series of activities categorized as "1+2+6+8" [3] - The main activities include an opening ceremony and "Belt and Road" trade investment promotion, UAE as the guest country, and six major exhibition areas focusing on various sectors [3] Group 2: Features of the Expo - The expo will introduce new activities such as the China-Arab Banking Union Council meeting and the "Silk Road E-commerce" cooperation innovation development conference [3][4] - There will be a focus on new technologies and applications, with dedicated exhibition areas for digital economy and artificial intelligence, showcasing advancements from leading companies [4] - The event aims to attract precise participants from government, enterprises, and international organizations, with over 500 institutions and companies already registered [4] Group 3: Expected Outcomes - The expo will release several reports, including the "2024 Annual Report on the Development of China-Arab Economic and Trade Relations" and the "2025 Annual Outlook Report on Water-Saving Development" [5] - More than 40 trade matching activities will be held, with 125 cooperation intentions already collected, emphasizing the platform's role in facilitating international collaboration [5]