Core Insights - The first fully domestically controlled 500 kV substation in China, the Tieling Power Transmission and Transformation Project, has officially commenced operation, marking a significant step in Liaoning's energy transition and new power system construction [1][2] Group 1: Project Overview - The Tieling substation is located in a resource-rich area for wind and solar energy in northern Liaoning, contributing to the province's renewable energy development [1] - The project includes the 500 kV Tieling-Shiling line and the 500 kV Xiquan substation, with a total line length of 320 kilometers and the construction of 825 new towers [1] - The substation is equipped with two 1.2 million kVA transformers and will have 2 outgoing lines at 500 kV and 5 outgoing lines at 220 kV [1] Group 2: Environmental Impact - The project is expected to increase clean energy consumption by over 3 billion kWh annually, equivalent to a reduction of 900,000 tons of standard coal consumption [1] - It will meet the grid connection needs of over 2 million kW of wind and solar power generation, significantly promoting renewable energy construction in northern Liaoning [1] Group 3: Technological Innovation - The Xiquan substation has successfully applied 16 types of original technological achievements, addressing challenges related to the economic efficiency, stability, and safety of renewable energy grids [2] - This project has been recognized as a technology demonstration project by the State Grid Corporation of China and serves as a model for similar regions to solve renewable energy consumption issues [2]

10月8日，在广西南宁市武鸣区的伏林钠离子电池储能电站，随着最后一组储能舱完成并网调试，这个储能电站二期扩容升级工程正式投 运。二期工程在一期10兆瓦时投产规模的基础上，规划建设40兆瓦时，投运后项目规模达到50兆瓦时（即5万度）。 储能是新能源消纳的关键支撑，而钠离子电池凭借独特优势，正在成为储能技术矩阵中的重要补充。南方电网广西电网公司电力科学研究 院专家唐彬介绍，升级版储能系统采用新研发的240安时钠离子储能电池，容量较一期提升14%。（记者王楚然） 【纠错】 【责任编辑:赵阳】 图为位于广西南宁市武鸣区的伏林钠离子电池储能电站。（南方电网广西电网公司供图） 据介绍，为攻克钠离子电池储能技术难题，2024年，南方电网广西电网公司联合多个科研单位组成攻关团队，研制出210安时钠离子储能电 池及10兆瓦时储能系统，应用于一期工程。一期工程自2024年5月投运以来，已累计存储并释放超130万千瓦时绿电，在电网调节、新能源消纳 等方面发挥了重要作用。 "电站就像一个大型的'城市充电宝'，经过这次扩容，电站在用电负荷低谷时段，每充满一次，可以储存5万度绿色电力；在用电负荷高峰时 段，这些电力释放到电网，可满足约1 ...

Core Insights - China's energy sector is rapidly transitioning to green energy during the "14th Five-Year Plan," with a focus on building a robust power grid that integrates renewable energy sources [1][3] - The province of Shaanxi has achieved a renewable energy consumption rate of over 90% for five consecutive years, significantly contributing to its trillion-yuan economy [1] - The construction of advanced infrastructure, such as the underground 330 kV substation and the 750 kV transmission project, is enhancing the efficiency and reliability of electricity supply in the region [1][3] Energy Infrastructure Development - Shaanxi has completed 75 projects during the "14th Five-Year Plan," improving the electricity distribution network and ensuring a stable power supply [1] - The 750 kV transmission project spanning 1,271 kilometers will enable rapid delivery of green electricity from northern Shaanxi to 40 million households in the central region [1][3] - The Zhen'an pumped storage power station is designed to optimize energy storage and generation, allowing for better management of renewable energy sources [1][2] Environmental Impact - The Zhen'an pumped storage power station can absorb surplus wind and solar energy, saving approximately 11.7 million tons of standard coal annually [3] - The high-voltage direct current projects in Shaanxi are expected to save 18 million tons of standard coal per year for the central region [3] - The largest "green battery" in Northwest China is projected to reduce carbon dioxide emissions by 305,000 tons annually [2]

来源：央视新闻客户端、南网50Hz End 从南方电网了解到，10月2日，随着梅州抽水蓄能电站二期工程第二台机组投产发电，粤 港澳大湾区抽水蓄能电站在运规模突破1000万千瓦。 梅州抽水蓄能电站二期工程第二台机组的装机容量为30万千瓦，随着它的成功启动，粤港 澳 大 湾 区 抽 水 蓄 能 在 运 规 模 达 到 1028 万 千 瓦 ， 约 为 全 国 在 运 总 量 的 六 分 之 一 。 与 此 同 时 ， 新 投 产 机 组 也 已 进 入 南 方 区 域 电 力 市 场 参 与 交 易 ， 可 以 消 纳 180 万 千 瓦 新 能 源 发 电 量。 南方电网储能公司梅蓄二期工程项目部副总经理 陈泓宇： 梅蓄电站二期工程将于年底前 全面建成投产，将实现抽蓄机组的整机芯片级国产化。 截至今年9月底，广州、深圳、阳江等6座抽蓄电站已累计为粤港澳大湾区调节电量3265 亿千瓦时，相当于5 5 0万居民用户30年的用电需求。 欢迎分享给你的朋友！ 出品 | 中国能源报（c n e n e rg y） 责编丨李慧颖 ...

来源：央视新闻客户端 记者从南方电网了解到，今天（2日），随着梅州抽水蓄能电站二期工程第二台机组投产发电，粤港澳 大湾区抽水蓄能电站在运规模突破1000万千瓦。 截至今年9月底，广州、深圳、阳江等6座抽蓄电站已累计为粤港澳大湾区调节电量3265亿千瓦时，相当 于550万居民用户30年的用电需求。 南方电网储能公司梅蓄二期工程项目部副总经理 陈泓宇：梅蓄电站二期工程将于年底前全面建成投 产，将实现抽蓄机组的整机芯片级国产化。 梅州抽水蓄能电站二期工程第二台机组的装机容量为30万千瓦，随着它的成功启动，粤港澳大湾区抽水 蓄能在运规模达到1028万千瓦，约为全国在运总量的六分之一。与此同时，新投产机组也已进入南方区 域电力市场参与交易，可以消纳180万千瓦新能源发电量。 ...

9月2 7日，由山西省能源局、国家电投集团主办，中国能源报和中国能源研究会支持的" 2025新能源产业创新合作暨第十五届新能源企 业50 0强论坛"在山西太原举行。 中国气候变化事务特使刘振民，中国能源研究会理事长史玉波，国家电投集团党组成员、副总经理王绍民，欧盟科学院院士、中国科学 技术大学教授孙金华，山西省能源局领导以及来自国内外相关政府部门和机构负责人，院士专家，行业企业、高校智库代表等参会。 作为" 20 25太原能源低碳发展论坛"的重要组成部分，本届论坛以"跨越周期 韧性增长"为主题，围绕大变局时代，新能源行业如何跨越 周期性波动、同质化竞争、内卷加剧等周期迷雾展开深入探讨，为行业可持续、高质量发展汇智聚力。 会议同期发布《2025全球新能源企业500强竞争力报告》（以下简称《5 00强报告》）《2025碳中和绿色影响力品牌》《2 025双碳科技 创新案例》多份行业重量级报告和成果，明晰全球新能源企业竞争格局，服务全球新能源产业及企业发展。 从跟跑到领跑的跨越 刘振民表示，经过多年高速发展，我国在新能源汽车、风电光伏、水电及智能电网等领域实现多项重大技术突破，电池技术、光伏转换 效率、风电机组容量等 ...

Core Insights - The article highlights the significance of the Huayan First Energy Storage Power Station in Ningxia, which is positioned as a model for modular distributed energy storage technology and plays a crucial role in China's energy transition strategy [2][4][8]. Industry Overview - The global energy transition has made energy storage a core component of carbon neutrality strategies, with China leading as the largest market for new energy storage applications, accounting for over 40% of global installed capacity [2]. - Ningxia is designated as a national comprehensive demonstration zone for new energy, promoting a "wind-solar-fire-storage integration" policy to foster industry development [2]. Project Details - The Huayan First Energy Storage Power Station, with a capacity of 200MW/400MWh, is set to be the largest distributed modular energy storage station on the grid side globally, officially operational since December 30, 2023 [2]. - The location in Zhongning County, Ningxia, is strategic due to the region's high renewable energy output, exceeding 80% of installed capacity, necessitating enhanced grid regulation capabilities [3]. Operational Efficiency - The station has achieved a cumulative charge and discharge efficiency of nearly 90%, surpassing the industry average of 84%-85% [6]. - Key operational metrics include an online rate of 99.93%, a capacity retention rate of 98%, and a single charge and discharge depth exceeding 98%, all contributing to the station's long-term profitability [6][7][8]. Future Prospects - The energy storage sector is poised for significant growth, with a target of reaching 180 million kilowatts by the end of 2027 as outlined in the newly released "New Energy Storage Scale Construction Special Action Plan (2025-2027)" [9]. - The Huayan First Energy Storage Power Station serves as a benchmark for future projects, emphasizing the importance of translating technical details into energy revenue [8][9].

Core Viewpoint - The recent policies regarding direct green electricity connections are seen as a significant breakthrough for promoting renewable energy consumption and meeting EU carbon tariff requirements, following the issuance of the 650 and 1192 documents [1] Group 1: Policy Developments - The 650 document encourages private enterprises to invest in direct green electricity connection projects, while the 1192 document clarifies the pricing mechanism for nearby renewable energy consumption, serving as a crucial supplement to the 650 document [1] - The 1192 document emphasizes a "who benefits, who bears" principle for the costs associated with stable supply services in the electricity system, ensuring equal participation of direct green electricity connections in the electricity market [3] Group 2: Objectives and Benefits - Direct green electricity connections aim to alleviate the pressure on renewable energy consumption at the generation end, reduce electricity costs for users, and assist export enterprises in managing carbon footprints and complying with international green trade regulations [2] - The model is particularly beneficial for high-energy-consuming industries such as data centers, steel, and cement, as it accelerates the green electrification process and reduces reliance on public electricity grids [2] Group 3: Economic Considerations - The new pricing mechanism introduced in the 1192 document is more favorable for renewable energy investors, as it reduces system operation and line loss costs, thereby creating a reasonable price difference for investors [3] - The economic viability of direct green electricity projects is influenced by regional resource endowments and policy differences, necessitating detailed calculations by developers and electricity users [5] Group 4: Implementation Challenges - Despite the promising outlook, the lack of clear operational pathways for direct green electricity connections has resulted in limited market response to the new policies [4] - Significant financial pressures arise from the need for dedicated line construction, and the mismatch in lifecycle between power sources and load enterprises may impact project investment returns [4] - The current policies may have conflicting elements, complicating the decision-making process for renewable energy investors regarding whether to opt for direct connections or grid integration [4][5]

Group 1 - The construction of China's electricity spot market has entered a critical stage, with seven provincial-level markets officially operational as of August this year, and six others in trial operation [1] - The spot market serves as a core platform for electricity resource allocation and is crucial for ensuring energy security, with a trading system covering 26 provinces and over 6,000 power generation entities [1] - The inter-provincial spot market has demonstrated its capacity to alleviate supply pressure during peak electricity usage, with a maximum mutual assistance power of 14.32 million kilowatts recorded this summer [1] Group 2 - The guiding role of the spot market in the consumption of renewable energy has begun to show results, with inter-provincial market transactions of renewable energy reaching 7.75 billion kilowatt-hours, accounting for 36.5% of total transactions in the first eight months of this year [2] - Zhejiang's spot market has effectively utilized market price signals to guide users in shifting their electricity usage, achieving a peak load reduction of 3 million kilowatts [2] - The increasing share of renewable energy is significantly altering the operational characteristics of the power system, with negative electricity prices becoming a common issue in regions with high penetration of renewables [2] Group 3 - Future market development should focus on a multi-layered system that includes energy markets, capacity markets, and ancillary service markets to ensure long-term supply capabilities and reasonable returns for flexible resources [3]

新华社南京9月23日电（记者陈圣炜）记者从江苏省送变电有限公司获悉，我国首个"交流改直流"输电 工程——扬州至镇江±200千伏直流输电工程23日完成投运后的首次年度检修，将提升地区电网迎峰度 冬的调节能力，保障长三角能源安全。 据悉，扬镇直流一期工程起于扬州高邮、止于镇江经开区，全长约110千米，于去年4月底建成投运。本 次检修共投入48名人员，实现对全线284基铁塔的全覆盖排查，面对部分塔位同期开展二、三期架线施 工、多家单位并行作业的复杂局面，检修团队依据基建进度精准规划，实现"穿插不交叉"的高效协同。 据介绍，本次检修将生态敏感区线路综合整治列为重点任务。工程沿线位于鸟类活动频繁的长三角区 域，时值候鸟迁飞高峰期，检修团队采取了多项生态友好防护措施，包括加装绝缘防护装置、人工鸟巢 等，有效防范鸟类触电伤亡的同时，也减少了鸟巢等对线路安全运行的影响。 据国网镇江供电公司介绍，江苏风电、光伏等新能源主要集中在长江以北地区，而用电负荷中心位于长 江南岸。为打通新能源消纳通道，江苏于2022年底启动扬镇直流一期工程建设，将原有的交流线路改造 为直流线路，成为苏北"风光"绿电跨江输送专线，每年可减排二氧化碳约16 ...