Core Viewpoint - The introduction of the "Basic Rules for the Electricity Auxiliary Service Market" marks a significant step in China's electricity market reform, transitioning from a planned compensation model to a market-driven approach, thereby enhancing the stability and reliability of the power supply system [1][4][5]. Group 1: Importance of Auxiliary Services - Electricity auxiliary services are crucial for maintaining the stability and safety of the power system, providing essential functions such as peak shaving, frequency regulation, and backup services [2][3]. - The increasing share of renewable energy sources necessitates a robust auxiliary service framework to manage fluctuations and ensure reliable electricity supply [3][4]. Group 2: Market Development and Structure - The auxiliary service market in China has evolved through three stages: free service before 2006, planned compensation from 2006 to 2014, and partial marketization since 2014 [5]. - As of May 2, 2023, 16 provinces have established peak shaving markets, 15 have set up frequency regulation markets, and 2 have initiated ramping markets, although there is a lack of uniform pricing mechanisms across regions [5][6]. Group 3: New Market Participants - The new rules incorporate various entities such as energy storage companies, virtual power plants, and smart microgrids as market participants, promoting a more diverse and competitive market landscape [6][7]. - The rules aim to unify provincial regulations, facilitating better resource allocation and market participation across different regions [6][7]. Group 4: Market Opportunities and Economic Impact - The new regulations are expected to unlock significant market potential, with estimates suggesting that the scale of new participants in the auxiliary service market could exceed 30 billion yuan this year [7][9]. - Traditional thermal power plants are shifting their roles from mere electricity suppliers to system regulators, enhancing their revenue streams through participation in auxiliary services [7][8]. Group 5: Integration with Electric Vehicles - The rise of electric vehicles presents new opportunities for the auxiliary service market, as demonstrated by large-scale vehicle-grid interactions that help reduce peak load differences and enhance grid stability [9]. - The integration of auxiliary services with the electricity spot market is anticipated to create a comprehensive electricity market system, further optimizing resource allocation and reducing costs [9].

4 月全社会用电量同比增长 4.7%，规上工业天然气产量同比增长 8.1% 【】【】[Table_Industry] 公用事业—电力天然气周报 [Table_ReportDate] 2025 年 5 月 24 日 15666646523.tcy 证券研究报告 行业研究——周报 [Table_ReportType] 行业周报 [Table_StockAndRank] 公用事业 投资评级 看好 上次评级 看好 [Table_Author] 左前明 能源行业首席分析师 执业编号：S1500518070001 联系电话：010-83326712 邮 箱：zuoqianming@cindasc.com 李春驰 电力公用联席首席分析师 执业编号：S1500522070001 联系电话：010-83326723 邮 箱：lichunchi@cindasc.com 邢秦浩 电力公用分析师 执业编号：S1500524080001 联系电话：010-83326712 邮 箱：xingqinhao@cindasc.com 化工行业： 唐婵玉 电力公用分析师 执业编号：S1500525050001 邮 箱：tangchanyu@ci ...

中国电工技术学会秘书长韩毅致辞 随着电子技术的应用范围越来越广泛，每一次技术跃迁都孕育着新的机遇。5月16-18日，由中国电工技 术学会、IEEE北京分会和湖南大学共同主办的2025IEEE第八届国际电气与能源大会在长沙召开。 据悉，大会聚焦"双碳"目标下的新型电力系统建设，围绕电气与能源装备高端化、智能化、绿色化转型 展开研讨。本届会议共组织不同主题的32场分论坛、海报展示交流、IEEE PCCC女科学家论坛、中英零 碳论坛等特别专题论坛。来自国内外120余所高校及企事业单位的800余名专家学者围绕电气工程和能源 科技领域40多个专业方向进行交流。 据介绍，此次大会共征集来自9个国家(地区)的论文700余篇，经过300余名教授、行业专家严格评审， 录用论文591篇。优秀论文作者获得证书。为感谢湖南大学电气与信息工程学院对大会作出的突出贡 献，韩毅向帅智康颁发特殊贡献荣誉奖杯。 大会宣布，第九届国际电气与能源大会将于明年5月在天津召开。天津大学电气自动化与信息工程学院 王帅教授代表第九届国际电气与能源大会承办方介绍了有关情况。(中国经济网记者佟明彪) 大会开幕式由湖南大学电气与信息工程学院院长帅智康主持。中国 ...

Group 1: Company Performance - In 2024, the company achieved an operating income of 220 million CNY, a year-on-year increase of 16% [1] - The net profit attributable to shareholders reached 85.56 million CNY, up 46% year-on-year [1] - The net profit excluding non-recurring gains and losses was 72.10 million CNY, reflecting a 62% increase year-on-year [1] Group 2: Business Development - The growth in performance is primarily driven by the increase in revenue from core business services in new power system equipment testing [1] - The company is expanding its market presence in the renewable energy testing sector, benefiting from national policies supporting investment in the renewable energy industry [1] Group 3: Subsidiary Operations - Zhuhai Kaipu is a key part of the company's strategy to expand in the smart distribution network testing market, focusing on the South China region [2] - The subsidiary is actively promoting its testing capabilities and services, gradually expanding its market and customer base in the Pearl River Delta region [2] Group 4: Testing Business Sources - The company's testing business sources include demand for testing after product upgrades, requirements for third-party testing reports during bidding, and grid connection acceptance for engineering projects [3] Group 5: Certification Impact - The company is one of several laboratories designated for mandatory product certification of electric vehicle power supply equipment, which is expected to positively impact its market presence and credibility [4] Group 6: Future Strategies - Currently, the company has no plans for mergers or acquisitions but will disclose any significant matters in accordance with regulations [5] Group 7: Industry Outlook - The inspection and testing industry is expected to grow due to national initiatives in new power systems, renewable energy, and electric vehicle infrastructure [6] - The rapid iteration and large-scale application of downstream equipment industries are anticipated to drive market expansion in related testing fields [7]

Financial Performance - The company achieved operating revenue of 221,337,803.42 yuan in 2024, representing a year-on-year growth of 15.99% [2] - The net profit attributable to shareholders reached 85,555,360.64 yuan, with a year-on-year increase of 45.52% [2] - The net profit after deducting non-recurring gains and losses was 72,097,560.66 yuan, reflecting a growth of 62.04% year-on-year [2] - The increase in net profit outpaced revenue growth due to higher income from relay protection products and on-site inspection services, alongside lower growth in operating costs and tax rates [2] Future Growth Drivers - The core business of the company is the testing services for new power system equipment, which is expected to drive future profit growth [3] - The development of the new power system, characterized by safety, efficiency, low carbon, flexibility, and intelligence, will create significant opportunities for the company's testing services [3] - The company is committed to innovation and actively participates in the drafting and revision of new standards, which helps maintain its competitive edge in the industry [3] Industry Outlook - The overall performance of the testing industry is on the rise, with major companies like Electric Power Research Institute and West High Institute also reporting profit growth in 2024 [3] - The company is optimistic about the future of the inspection and testing industry, driven by national initiatives in new power systems, renewable energy, and electric vehicle infrastructure [3]

证券研究报告 行业研究——周报 [Table_ReportType] 行业周报 [Table_StockAndRank] 公用事业 投资评级 看好 上次评级 看好 [Table_Author] 左前明 能源行业首席分析师 执业编号：S1500518070001 联系电话：010-83326712 邮 箱：zuoqianming@cindasc.com 李春驰 电力公用联席首席分析师 执业编号：S1500522070001 联系电话：010-83326723 邮 箱：lichunchi@cindasc.com 邢秦浩 电力公用分析师 化工行业： 执业编号：S1500524080001 联系电话：010-83326712 邮 箱：xingqinhao@cindasc.com 唐婵玉 电力公用研究助理 邮 箱：tangchanyu@cindasc.com 信达证券股份有限公司 CINDA SECURITIES CO.，LTD 北京市西城区宣武门西大街甲127号金隅大厦 B座 邮编：100031 [Table_Title] 广东 136 号文衔接政策落地，4 月我国进口天然气 量同比下降 6.1% 2025 年 5 ...

海南新能源装机突破1000万千瓦 为确保新能源项目"能并尽并""能接尽接"，海南电网出台并运用新能源及储能并网服务指南，从规 划、工程建设到并网调试等各环节按照"一口对外、内转外不转"的原则，制定接入电网过渡方案和应急 预案，提供"全流程、一站式、保姆式"服务，将并网时限压缩近30%，为客户提供更加专业、高效、便 捷的优质并网服务。 今年以来，海南电网成功完成华能临高CZ1海上风电、华能隆华海风场#1风机群等3座海上风电场 全容量并网，累计实现集中式新能源新增并网211万千瓦，并实现全国构网型新型储能示范电站并网， 最大程度保障省内新能源消纳，服务全省新能源高质量发展。 下一步，海南电网将大力推进构网型储能、在建气电、抽蓄等调节资源建设，持续推进煤电灵活性 改造、核电调峰能力等常规能源调节能力建设，并加快海南电网电磁暂态仿真试验平台建设，提升仿真 计算分析能力，确保电网安全稳定运行。 占全省总装机比例升至45.6%，成为第一大电源 海南日报讯(海南日报全媒体记者 邵长春 通讯员 郭卫华 莫若慧)海南日报全媒体记者从南方电网 海南电网公司获悉，截至5月14日，海南省新能源装机突破1000万千瓦大关，达1053万 ...

Core Viewpoint - The electronic transformer industry in China is experiencing significant growth, transitioning from traditional bulky transformers to intelligent electronic transformers, driven by advancements in power electronics, computer technology, and automatic control technology. The market size is projected to grow from 30.96 billion yuan in 2018 to 68.19 billion yuan by 2024, with a compound annual growth rate (CAGR) of 14.07% [1][15]. Industry Overview - Electronic transformers, also known as electronic power transformers, combine power electronics conversion technology with high-frequency energy conversion technology based on electromagnetic induction principles. They are primarily composed of high-frequency transformer cores and multiple coils, categorized by applications such as power transformers, audio transformers, pulse transformers, and special transformers [3]. Market Size and Growth - The electronic transformer market in China is expected to grow from 30.96 billion yuan in 2018 to 68.19 billion yuan by 2024, reflecting a CAGR of 14.07%. This growth is supported by factors such as the acceleration of ultra-high voltage grid construction, the establishment of new power systems, rural revitalization strategies, and the implementation of carbon neutrality goals [1][15]. Policy Support - The Chinese government has implemented various policies to support the development and innovation of the electronic transformer industry. Key policies include energy efficiency standards for transformers and motors, and initiatives to increase the proportion of high-efficiency energy-saving products in various sectors by 2025 [5][7]. Industry Chain - The upstream of the electronic transformer industry includes raw materials such as copper, magnetic cores, and insulation materials. The midstream involves the manufacturing of electronic transformers, while the downstream encompasses applications in power, industry, transportation, and communication sectors. The growing demand for electricity and the penetration of new energy vehicles are driving the demand for electronic transformers [8][10]. Key Enterprises - Major companies in the electronic transformer industry include TBEA Co., Ltd., Baoding Tianwei Baobian Electric Co., Ltd., and China XD Electric Co., Ltd. These companies are involved in the research, design, production, and sales of transformers and related products, with significant revenue growth reported in recent years [20][22]. Development Trends - The electronic transformer industry is moving towards high-frequency, miniaturization, and efficiency. The demand for high-performance transformers is increasing due to the rapid development of 5G communication, renewable energy, and electric vehicles. Companies are investing in research and development to enhance product performance and reliability [25][26]. Conclusion - The electronic transformer industry in China is poised for robust growth, driven by technological advancements, supportive government policies, and increasing demand across various sectors. The market is expected to expand significantly, providing ample opportunities for key players and new entrants alike [1][15][18].

内容概要：目前，储能户外柜主要应用于电网侧调频、新能源电站配套及大型工商业储能等场景。中国 储能市场已形成"电网侧主导、电源侧转型、用户侧多元"的三维发展格局。2025年第一季度市场呈现显 著结构性变化：电网侧储能表现尤为亮眼，功率规模占比攀升至52%（同比提升17个百分点），新增装 机达2.63GW/6.48GWh（同比大幅增长46%/68%），其中21个投运的独立储能项目中，百兆瓦级大型项 目占比高达81%（17个）。与此同时，电源侧储能进入调整期，新增装机1.83GW/4.09GWh，功率规模 同比缩减31%，市场份额同比下降16个百分点，且全部为新能源配套储能项目。 储能户外柜是集成了电池储能系统、能量管理系统（EMS）、电力转换装置（PCS）、热管理系统及防 护外壳的模块化设备，专为户外环境设计。其核心功能是实现电能的存储、转换与释放，通过削峰填 谷、调频调压、应急供电等方式，提升电网稳定性并促进可再生能源消纳。 储能户外柜具有多元化的分类体系，主要可从四大核心维度进行划分：技术路线、应用场景、功率容量 和电网交互方式。其中，技术路线以磷酸铁锂（LFP）为主流（安全、长寿命），三元锂（NCM）逐步 ...

Core Viewpoint - Teruid has secured significant orders, including a recent bid for approximately 126 million yuan from the State Grid Corporation, which is expected to positively impact its future performance [1] Group 1: Company Overview - Teruid Electric Co., Ltd. was established in 2004 and is headquartered in Qingdao, with its main business divided into "smart manufacturing + integrated services" and electric vehicle charging networks [1] - The company reported a revenue of 15.374 billion yuan in 2024, a year-on-year increase of 21.15%, and a net profit of 917 million yuan, up 86.62% [1] Group 2: Business Performance - In 2024, the "smart manufacturing + integrated services" segment generated revenue of 10.485 billion yuan, a growth of 22.47%, with net profit soaring by 91.42% to 709 million yuan [2] - The "electric vehicle charging network" segment achieved revenue of 4.890 billion yuan, an 18.41% increase, with net profit rising by 71.93% to 208 million yuan [2] - Teruid operated 709,000 public charging terminals by the end of 2024, maintaining its industry-leading position, with total charging volume exceeding 13 billion kWh, a 40% year-on-year increase [2] Group 3: Global Expansion - Teruid's overseas business contracts reached 800 million yuan in 2024, a 131.87% increase, with revenue doubling [2] - The company focused on regions such as the Middle East, Central Asia, and Southeast Asia, successfully winning contracts for notable projects in Kazakhstan, Saudi Arabia, and Uzbekistan [2] Group 4: Strategic Partnerships - Teruid secured a 700 million yuan order from the Saudi National Grid at the beginning of 2025 and has established partnerships with international giants like Siemens, ABB, and Schneider [3] - The company has collaborated with over 70 automotive brands, including Porsche, Audi, and BMW, to promote its charging network ecosystem [3]