Group 1 - The company is conducting comprehensive inspections of substations to ensure stable and reliable operation under high temperature conditions [1][2] - Maintenance personnel are using professional detection equipment to perform thorough checks on key devices such as transformers and circuit breakers [1] - Increased monitoring frequency and real-time observation of equipment under high load conditions are being implemented to prevent overload [1] Group 2 - The company is also inspecting auxiliary facilities like ventilation and air conditioning systems to ensure effective heat dissipation [2] - Immediate actions are taken to address any identified equipment defects to prevent failures [2] - A 24-hour emergency duty system is in place to ensure rapid response to any unexpected situations [2]

国家电网：我国自主研发的新能源大电网运控系统发布 智通财经5月20日电，记者从国家电网了解到，我国自主研发的高比例新能源大电网运行控制系统发 布，标志着我国率先解决了超大规模新能源接入大电网这一世界级难题。据了解，目前我国新能源装机 占比已超四成，为确保大规模新能源安全稳定接入大电网，我国自主研发了新能源大电网运行控制系 统。这个系统覆盖国家电网经营区6万多座变电站、数十万座新能源场站，可实现单日3.6亿千瓦新能源 的快速经济调配，支撑国家电网成为全球新能源消纳规模最大的电网。 (央视新闻) ...

Core Viewpoint - Ningde Times officially listed on the Hong Kong Stock Exchange, becoming the first domestic power battery company to be listed on both A-shares and H-shares, marking a significant milestone in its global capital market integration [1][3]. Group 1: Listing Details - The company submitted its prospectus in February and received approval from the Hong Kong Stock Exchange in April, completing the listing process in just over three months [3]. - A total of 135 million shares were issued at a price of 263 HKD per share, representing approximately 3% of the total share capital as of the end of Q1 [3]. - The net fundraising amount is approximately 35.3 billion HKD (about 32.5 billion RMB), making it the largest fundraising globally this year and the highest in over four years for the Hong Kong market [3]. Group 2: Market Performance - As of May 20, the stock price in Hong Kong reached 296.6 HKD, an increase of 12.89%, while the A-share price was 257.31 RMB, showing a decrease of 1.03% [3]. Group 3: Investor Participation - 23 institutional investors, including Sinopec, Kuwait Investment Authority, and Hillhouse Capital, subscribed to 57.1% of the issued shares, with Sinopec and Kuwait Investment Authority contributing the highest amounts of 3.87 billion HKD each [3]. Group 4: Strategic Focus - The chairman stated that the Hong Kong listing allows the company to integrate more broadly into the global capital market and is a new starting point for promoting a global zero-carbon economy [3]. - Ningde Times is recognized as a leader in power and energy storage batteries, holding the top position in power battery installation for eight consecutive years and leading the energy storage battery market for four years [3]. Group 5: Fund Utilization - 90% of the raised funds will be allocated to the construction of the first and second phases of the Hungary project, with the remaining funds used for working capital [4]. - The Hungary project has a planned capacity of 72 GWh and a total investment of approximately 4.9 billion euros [4]. - The company’s first overseas production base was established in Germany, which helps mitigate trade risks and expand into the European and American markets [4].

Core Viewpoint - Jiuzhou Group is focusing on the smart distribution network and network energy sectors, positioning itself as a leading provider of new power and energy infrastructure, with a dual-engine business model combining renewable energy and smart equipment manufacturing [1][2]. Group 1: Business Overview - Jiuzhou Group has established three main business segments: smart equipment manufacturing, renewable energy generation, and comprehensive smart energy [1]. - The company has a significant global presence, with products covering over 70 countries and regions, and has a strong integration advantage across the supply chain [1]. - As of December 2024, Jiuzhou Group will have a cumulative installed capacity of over 2.7 GW in renewable energy power stations, with an additional 1 GW in projects under construction and over 2 GW in development [1]. Group 2: Strategic Initiatives - The management views enhancing the performance of the smart equipment manufacturing segment as a key focus for future growth, aiming to improve capacity utilization and gross margins through scale effects [2]. - A new sales team targeting large clients is being established in Beijing, with plans for an overseas sales team starting in Q3 2024 [2]. - Jiuzhou Group is leveraging partnerships within the energy sector to expand its equipment sales market and drive growth in the transmission and distribution equipment business [2]. Group 3: Market Performance - The order value for the smart distribution network business exceeded 800 million yuan in 2024, representing a year-on-year increase of over 30% [3]. - The company has achieved a historical high in bid amounts, exceeding 260 million yuan in Q1 2025 [3]. - Jiuzhou Group's wind power assets reached an installed capacity of 246 MW by the end of 2024, a year-on-year increase of 100 MW, while solar power assets remained stable at 298.6 MW [3]. Group 4: Project Development - Jiuzhou Group is engaging in equity cooperation for wind and solar power projects with state-owned enterprises, with plans to sell 100% equity of newly connected projects to realize resource and equipment value [4]. - The expected internal rate of return for the decentralized wind + clean energy heating projects is over 10%, benefiting from the advantages of decentralized wind power and decreasing construction costs [4]. Group 5: Market Potential - The potential market for decentralized wind + clean energy heating in Northeast China is substantial, with nearly 300 county-level administrative units and over 3,000 towns [5]. - Jiuzhou Group aims to optimize and adjust its business model based on operational results after launching its first project in Heilongjiang Province, with plans to replicate this model across Northeast and North China [5].

5月18日，在湖北省咸宁市咸安区10千伏王洪线抢修作业现场，抢修人员在县调的科学精准指挥下，仅 用25分钟排除故障，恢复供电。国网湖北省电力有限公司在咸宁试点开展县（配）调管理提升工作后， 国网咸宁供电公司配电网线路平均故障复电时长同比下降32.86%，平均故障停电时户数同比下降 63.22%。 随着分布式电源、新型储能、新能源汽车等新要素的蓬勃兴起，配电网已经从传统电网的末端环节成为 电网转型发展的前沿阵地。县（配）调是配电网运行的指挥和控制中枢，在保障终端电网安全可靠优质 供电方面发挥关键作用。 为了打造"全景感知、柔性控制、智能互动、主配协同、安全可靠、管理精益"的新型配电网调度体系， 国网湖北电力启动县（配）调管理提升工作，并在咸宁开展先行先试。 国网湖北电力通过规范五级调度体系、强化配电网调度力量、试点地县调度集约运作、调整配电自动化 职责界面，优化配电网调度组织体系和运行模式；以配电网图模数据治理为基础，推进主配融合协同调 控、数智业务支持系统开发及分布式电源"可观可测可控可调"能力建设，升级配电网调度技术手段；建 立"标准制式培养+地、县（配）调交叉培养"机制，以实战化训练为抓手，全面提升配电网 ...

科技日报记者 刘园园 记者5月19日从中国电气装备集团获悉，该集团所属河南平高电气股份有限公司（以下简称平高电气） 联合多家合作单位共同研制的国际首台特高压换流变压器防爆燃用550千伏旁路触发间隙装置成功通过 长时通流压力耐受试验。至此，该产品已顺利通过全部试验考核，标志着特高压电网亚毫秒级超高速旁 路保护装置研制成功，填补了国际空白。 "换流变压器是特高压直流工程的关键设备。变压器在发生内部短路故障时，油中高能电弧会短时产生 大量高温高压油气，巨大冲击力易导致壳体、套管开裂，进而引发高温油气爆燃，成为影响电网安全而 亟待解决的突出难题。"平高电气装备研究院高压开关技术研究所主任工程师孙清超介绍，防止换流变 压器故障引发爆裂起火是个世界性难题，通过高速旁路触发间隙技术快速转移熄灭换流变内部电弧是有 效的解决方案。 为攻克这一难题，平高电气邀请电力行业专家进行技术方案评估论证，并联合多家单位、院校成立了 产、学、研、验、用攻关团队。团队先后突破了双极接续等离子体喷射导通、自磁场旋弧控制、大电流 电弧抗烧蚀及快速绝缘恢复、双冗余测控系统等核心技术，成功研制了550千伏旁路触发间隙装置。 "该产品采用了单断口结构和 ...

哈尔滨九洲集团股份有限公司投资者关系活动记录表 编号：2025-003 | 投资者关系活动 | □特定对象调研□分析师会议 | | | | | --- | --- | --- | --- | --- | | 类别 | □媒体采访□业绩说明会 | | | | | | □新闻发布会路演活动 | | | | | | □现场参观 | | | | | | □其他（） | | | | | 参与单位名称及 | 王璐-华安证券 | | | | | 人员姓名 | 王泽雷-长城证券 | | | | | | 谢斯尘-长城证券 | | | | | | 张天浩-国联证券 | | | | | | 张帆远-麦高证券 | | | | | | 蒲楠昕-华宝证券 | | | | | | 谢谨贤-华泰证券 | | | | | | 张宇涵-中名企业管理（上海）有限公司 | | | | | | 刘禹龙-元一产融 | | | | | | 朱大兵-华永信资本 | | | | | | 张子维-渤海证券上海分公司 | | | | | | 朱凌云-中财招商投资集团 | | | | | | 周立峰-个人投资者 | | | | | | 袁彭-长江证券 | | | ...

文 | 中关村储能产业技术联盟 山东时代新基地采用" 灯塔+零碳工厂 "标准建造，配备当前全球领先的数字化、智能化产线。新基地共分三期建设，此次投产的一期项目总规 模为60GWh，占地800余亩，总建筑面积52万平方米，涵盖从厂房到生活配套全方位智能化生产空间；项目二、三期将于今明两年陆续投产， 有望形成全球领先的千亿级新能源电池产业集群。 活动当日，宁德时代与多方签订系列合作框架协议：与济宁市共建零碳城市，并与山东省交通厅在交通领域共推换电模式。此外，山东时代与济 宁市签订新能源配套产业园共建协议，宁德时代电船科技有限公司与济宁港航发展有限公司，签订京杭运河绿色智能化示范航线合作协议。 未来，宁德时代还将与山东深入探讨打造新能源汽车换电网络、环渤海低空经济、内河及沿海航运电动化等省级示范区，加快推动东营零碳产业 园建设等合作，在山东打造更多零碳场景的标杆应用。 相关阅读 近日，山东时代新能源科技有限公司（下文简称"山东时代"）储能及动力电池生产基地在济宁市兖州区正式投产， 这是宁德时代在北方布局的 首个基地，也是目前在北方产能规划最大的基地。 当日宁德时代与多方签订系列合作框架协议，包 含 零碳城市、产业新 ...

北流白马镇、大伦镇也是重灾区。5月18日，大伦镇多处道路出现山体滑坡、林木倒塌，电网线路 被倒下的树木、竹竿压倒压断。5月18日，当地供电部门组织106名抢修人员，对具备条件的白马镇10千 伏大伦线石特平支线进行抢修。 当前，对尚未恢复供电的区域，南方电网广西电网公司正持续组织抢修人员进行抢修，争取尽快恢 复正常供电。（陆权香 张钰斌 毛雨贤 池锦雁） 5月17日以来，北流南部遭遇大暴雨，罗江北流市大伦镇河段出现69.23米的洪峰水位，超警戒水位 1.23米，北流市多个乡镇出现洪水、泥石流，北流电网15条线路受到影响，累计造成288个台区停电， 涉及用户约23175户。灾情发生后，南方电网广西玉林北流供电局迅速开展灾情勘察、故障查找和应急 抢修工作。 5月17日，强降雨导致北流南部10千伏清湾线路发生故障，造成清湾镇六到村570户用户停电。"5月 17日18时左右，雨开始变小，我们立即调配1台中压发电车和1台低压发电机，进行应急供电。同时，组 织人员对受损线路进行抢修。"北流供电局六靖供电所经理张鹏介绍，经过紧张有序地抢修，5月18日19 时许，清湾线抢修完毕，六到村恢复正常供电。 记者从南方电网广西电网公司 ...

Core Viewpoint - The company is proactively preparing for extreme weather conditions in Beijing, implementing emergency response measures to ensure the stability and safety of the power grid during thunderstorms and hailstorms [2][3][5]. Group 1: Emergency Preparedness - The company has activated its meteorological disaster warning response, enhancing monitoring of the power grid and mobilizing emergency personnel and equipment [2][3]. - Over 1,700 emergency repair personnel are on standby with 80 power generation vehicles, 700 repair vehicles, and various other equipment to ensure rapid response to power outages [3][5]. - The company is conducting special inspections of key facilities and surrounding environments to eliminate potential hazards [3]. Group 2: Technology Utilization - The company is utilizing "AI + Power" technology to monitor the power grid in real-time, improving decision-making for fault diagnosis and emergency response [5]. - The "Power Grid One Map" feature allows for immediate fault detection and location, reducing average repair time by approximately 20 minutes [5]. - The company employs a lightning monitoring system with over 90% detection efficiency and a precision of 500 meters to minimize the impact of lightning on transmission lines [5]. Group 3: Customer Communication and Safety - Customer service personnel are enhancing communication with critical clients, including government agencies and hospitals, to ensure their power supply needs are met [3]. - The company advises residents to minimize outdoor activities during severe weather and provides guidelines for safety around electrical facilities [7]. - The company offers multiple online channels for customers to purchase electricity, ensuring accessibility during adverse weather conditions [7].