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江苏首个区域分散建设电网侧储能电站并网运行
Xin Hua She· 2025-11-07 13:23
据悉,该储能电站创新采用"汇集站+子站"的通信架构,选取其中一座储能电站作为母站,其余储 能子站通过内部组网实现数据互联。与传统储能电站相比,可降低一次性建设成本超1000万元。 新华社南京11月7日电(记者陈圣炜)江苏宿迁中和东线新能源49.8兆瓦电网侧储能电站11月7日并 网运行,该电站为江苏省首个区域分散建设电网侧储能项目。 近年来,以风、光为代表的新能源在江苏发展迅猛,部分地区面临新能源消纳能力不足问题,影响 电网稳定运行。以宿迁市为例,截至今年10月底,全市新能源装机容量超665.2万千瓦,占全市电源装 机总量约八成。 此次投运的储能电站建在宿迁市泗阳县4座退役变电站内,这一"变废为宝"的举措,可破解集中式 储能站难以灵活消纳分布式光伏发电的难题,提升整体就地消纳水平。 "该储能电站预计每年充放电量将超4000万度电,年可减排二氧化碳约5万吨,节约标煤消费约1.6 万吨。"国网泗阳县供电公司发展建设部主任贺国梁说。 ...
内蒙古鄂尔多斯:巨型“充电宝”即将并网投运
Ren Min Wang· 2025-11-05 02:15
Core Viewpoint - The project in the Kubuqi Desert, Inner Mongolia, is a significant investment in renewable energy, combining various storage technologies to enhance clean energy supply and balance electricity demand [1] Project Overview - The 3GW/12.8GWh energy storage project is set to begin construction in June 2025 [1] - The project will cover an area of approximately 1,100 acres and has a total investment of 11.2 billion yuan [1] - It aims to deliver 3.6 billion kilowatt-hours of clean energy to the grid annually [1] Technological Innovation - The project integrates multiple technological routes, including lithium iron phosphate, molten salt storage, and all-vanadium flow batteries [1] - This innovative approach is expected to play a crucial role in supporting the new power system dominated by renewable energy [1] Impact on Local Energy System - Upon completion by the end of this year, the project will contribute to the establishment of a new power system in the region, primarily based on renewable energy [1] - It will significantly enhance energy storage capabilities, facilitating the absorption of renewable energy and balancing electricity supply [1]
甘肃电力现货市场交出亮眼周年“成绩单”
Ke Ji Ri Bao· 2025-11-02 23:46
Core Insights - Gansu's electricity spot market has been operational for one year, significantly impacting power supply security, renewable energy consumption, and resource optimization, providing a replicable solution for high renewable energy scenarios and supporting the national unified electricity market construction [1][2]. Group 1: Market Overview - The electricity spot market operates on a trading mechanism based on medium- and long-term market transactions, focusing on day-ahead, intraday, and real-time electricity trading, and is a crucial part of the national unified electricity market [2][3]. - As of August 2023, Gansu has 563 generating entities with a total installed capacity of 74 million kilowatts participating in the spot market, and 454 user-side participants with an average monthly electricity consumption of nearly 5 billion kilowatt-hours, accounting for 60% of market-based electricity consumption [2]. Group 2: Market Characteristics - The Gansu electricity spot market has five key characteristics: improved market structure, stable and efficient operation, significant supply and consumption results, activated market participant vitality, and continuous optimization demonstrating its exemplary value [3]. - Gansu has the longest continuous settlement operation time in the national electricity spot market, accumulating rich experience in market mechanisms, rules, technical solutions, operational parameters, and risk control indicators since the trial operation began in May 2021 [3]. Group 3: Renewable Energy Integration - Gansu's renewable energy installed capacity exceeds 65% of the total grid capacity, and the spot market effectively enhances renewable energy consumption, promoting a green and low-carbon energy transition [4]. - During peak solar generation hours, coal-fired power plants reduce their output to 33% of rated capacity to accommodate renewable energy, while user load curves have adapted to better fit renewable generation characteristics, leading to lower electricity prices for users [4]. Group 4: Market Mechanism Innovation - Gansu is a pioneer in implementing a "quote and quantity" model for renewable energy, allowing renewable energy companies to participate in the spot market, transitioning from a policy-driven to a market-driven approach [5]. - Since 2021, 325 renewable energy companies in Gansu have completed the "quote and quantity" functionality, with 680 billion kilowatt-hours of self-reported electricity in 2024, representing 84.4% of total renewable generation, and an accuracy rate of 92.3%, an increase of 8.7 percentage points from 2023 [5]. Group 5: Future Developments - Gansu plans to enhance market operation monitoring, improve operational rule systems, and increase compliance levels to ensure the continued optimization and efficient operation of the electricity spot market [6]. - The province aims to provide replicable provincial market construction solutions to contribute to the national unified electricity market system [6].
媒体报道︱全国多地为何出现负电价?国家能源局作出回应→
国家能源局· 2025-11-02 05:32
Core Viewpoint - The article discusses the phenomenon of negative electricity prices in China's power market, highlighting its increasing frequency and implications for both consumers and power producers [2][5][11]. Group 1: Understanding Negative Electricity Prices - Negative electricity prices occur when the market clearing price for electricity falls below zero, indicating an oversupply of electricity [2]. - Recent instances of negative prices have been observed in regions such as Sichuan, Shandong, and Inner Mongolia, with Sichuan experiencing a peak negative price of -34.8787 yuan per megawatt-hour [2][5]. - The rise in negative prices is attributed to the rapid growth of renewable energy sources like wind and solar, which have low operational costs, leading to aggressive bidding in the market [4][5]. Group 2: Market Dynamics and Impacts - The current electricity market in China is characterized by a significant increase in supply from renewable sources, with hydropower in Sichuan seeing a 34.7% year-on-year increase in output [4]. - In contrast, electricity demand has decreased, with a reported 18.1% year-on-year drop in net electricity supply in September, leading to the emergence of negative prices [4]. - Experts indicate that negative prices reflect a temporary imbalance in supply and demand, and while they may seem alarming, they serve as a signal for market adjustments and investments in energy storage and demand response [8][11]. Group 3: Implications for Consumers and Producers - Despite negative prices, consumers, particularly industrial users, will not receive free electricity, as their costs include additional charges beyond the market price [7]. - Power producers are not necessarily losing money due to negative prices, as long-term contracts and government subsidies help stabilize their revenues [7][11]. - The article emphasizes that negative prices should be viewed as a market signal that can drive improvements in energy system efficiency and renewable energy integration [8][11].
国网莆田供电公司:柔直技术助力湄洲岛绿电消纳 打造海岛零碳智慧能源样板
Zhong Guo Neng Yuan Wang· 2025-10-31 12:43
Core Insights - Meizhou Island has a subtropical marine monsoon climate with abundant renewable energy sources, including wind, solar, and ocean energy, and has established 23 photovoltaic power generation projects with a total installed capacity of approximately 1,300 kW [1] Group 1: Renewable Energy Integration - The electrification rate on Meizhou Island has reached 95%, with green electricity accounting for 73.58% of the total energy supply [2] - The integration of wind and solar power into the grid presents challenges due to their intermittent and random nature, making it crucial to ensure the stability of the power system [2] - The implementation of a multi-terminal interconnected low-voltage flexible microgrid project has improved the transmission efficiency of renewable energy [2][3] Group 2: Microgrid Technology - The project enhances traditional public transformers by adding flexible interconnection devices, transforming five AC supply transformers into a mixed AC/DC low-voltage flexible DC system [3] - The microgrid can directly connect to the "Rainbow" photovoltaic system at the ferry terminal, allowing for local supply to DC charging stations [3] - The project reduces the first-level AC/DC conversion losses, decreasing overall transmission losses of renewable energy to 56% [3] Group 3: System Resilience and Innovation - The microgrid's regional autonomy and flexible allocation can mitigate the over-reliance on the large grid for renewable energy consumption [3] - The company is accelerating the construction of a new power system on Meizhou Island, including the first island-level optical fiber differential self-healing distribution network in the country [3] - This innovative network meets the needs of distributed power sources, microgrids, and flexible loads, reducing fault recovery time from seconds to milliseconds [3][5]
从“电量主体”到“调节主力” 广西煤电转型发展成效位居全国前列
Zhong Guo Chan Ye Jing Ji Xin Xi Wang· 2025-10-30 22:33
Core Insights - The Southern Power Grid Guangxi Electric Power Company is accelerating the transformation of coal power from being the "main source of electricity" to a "regulating power" [1] - By the end of September, 84% of coal power units in Guangxi met national flexibility adjustment requirements, with a peak load adjustment depth as low as 36% [1] - The utilization hours of coal power in Guangxi were only 1836 hours, the lowest among the five southern provinces, freeing up 28.8 billion kilowatt-hours of space for clean energy consumption [1] Group 1 - The coal power sector in Guangxi has historically relied on coal for electricity generation and heating, but is now transitioning to support a new energy system with over 55.64 million kilowatts of installed renewable energy capacity [1][2] - The Guoneng Yongfu Power Plant, a leader in coal power upgrades, has achieved a deep peak load adjustment capability of 35% after investing 180 million yuan in modifications [2] - The Datang Guiguan He Mountain Power Plant has also improved its average deep peak load adjustment capability to 33% through investments of 65 million yuan in various upgrades [2] Group 2 - The Southern Power Grid Guangxi Electric Power Company is focusing on technical upgrades and has implemented a "three modifications linkage" strategy to enhance flexibility in coal power plants [2][3] - The average deep peak load adjustment capability of coal power in Guangxi has reached 36%, a year-on-year decrease of 20%, with the minimum output during recent holidays dropping to 2.45 million kilowatts, the lowest in recent years [3] - The company is working to resolve the conflict between output variability and stable heating supply for industrial parks, enhancing overall operational efficiency through collaboration with energy regulatory bodies [3]
“算电协同”现状及未来趋势展望
Sou Hu Cai Jing· 2025-10-27 16:13
Core Insights - China's computing power and electricity have been rapidly developing, with total computing power expected to exceed 280 EFlops by the end of 2024, averaging a growth rate of nearly 30% over the past five years [1] - Annual electricity consumption of data centers has surpassed 150 billion kilowatt-hours, highlighting the increasing demand for energy [1] - The structural contradiction between the over 50% share of renewable energy installations in the western region and the electricity shortages in the eastern region is becoming more pronounced [1] - The dual pressure of surging computing demand and energy transition necessitates a deep integration of computing power and electricity [1] - The essence of "computing-electricity synergy" is to break down the barriers between bits (computing power) and watts (electricity), allowing computing power to act as a "regulator" in the electricity system [1] - This synergy aims to promote renewable energy consumption, reduce electricity costs, and optimize resource allocation through the two-way matching of computing load and electricity supply [1]
电网ETF(561380)涨超1.8%,电网设备行业呈现多重积极信号
Mei Ri Jing Ji Xin Wen· 2025-10-27 06:08
Core Insights - The power equipment and grid equipment industry is showing multiple positive signals, with several provinces entering the trial phase of continuous settlement in the electricity market [1] - Innovative mechanisms such as negative electricity prices and excess profit returns have been introduced in regions like Jiangxi and Henan, facilitating the transition of the electricity spot market from localized pilots to systematic operations [1] - In September, the total electricity consumption increased by 4.5% year-on-year, with the electricity consumption in the charging and swapping service industry surging by 49.6%, indicating strong demand driven by the rapid development of electric vehicles [1] Industry Overview - The grid ETF (561380) tracks the Hang Seng A-share grid equipment index (HSCAUPG), which selects listed companies involved in power transmission, distribution systems, and related services from the Chinese mainland market [1] - This index reflects the overall performance of listed companies related to grid equipment, focusing on the manufacturing and technical service sectors of grid equipment, highlighting the characteristics and development trends of these sub-markets [1] - Component stocks must meet specific revenue source ratio requirements [1]
新能源及储能政策解读及热点分析
2025-10-16 15:11
Summary of Key Points from the Conference Call Industry Overview - The conference call primarily discusses the renewable energy and energy storage sectors in China, focusing on the implications of recent policies and market dynamics affecting these industries [1][2][3]. Core Insights and Arguments 1. **Severe Power Limitations in Northern Regions**: The "Three North" regions (including Xinjiang, Gansu, and Inner Mongolia) are experiencing significant photovoltaic (PV) power limitations, with some areas exceeding 40% curtailment. This situation necessitates the expansion of non-electric applications to address consumption issues and ensure the development of wind and solar projects [1][2]. 2. **Policy Changes Impacting Renewable Energy**: The cancellation of the full guaranteed purchase policy (Document 136) means that grid companies are no longer responsible for unconnected power, raising the bar for renewable energy markets to expand non-electric applications [2][3]. 3. **Minimum Renewable Energy Consumption Requirement**: The new regulations introduce a minimum renewable energy consumption ratio, placing responsibility on high-energy-consuming enterprises to either purchase or self-generate renewable energy [1][2]. 4. **Projected Wind and Solar Installations**: It is anticipated that wind and solar installations will maintain an annual capacity of approximately 250 GW during the "15th Five-Year Plan" period, indicating continued government support for renewable energy development [2][3]. 5. **Green Hydrogen and Methanol Development**: Green hydrogen and methanol are highlighted as crucial solutions in the energy transition, with production costs in regions like Inner Mongolia dropping to 12-13 RMB per ton, making them competitive with coal-derived hydrogen [1][4]. 6. **Energy Storage Market Dynamics**: The energy storage industry is at a turning point, with capacity compensation and electricity pricing policies becoming focal points. In Inner Mongolia, a subsidy of 0.35 RMB per kWh is stimulating the storage market, potentially leading to annual revenues of 55%-60% for storage projects [1][5][7]. 7. **Regional Policy Variations**: Different provinces are exploring capacity compensation policies, with Gansu implementing a two-year electricity pricing policy at 330 RMB per kW, aimed at ensuring cost recovery for new storage projects [2][10][12]. 8. **Future Growth of Energy Storage**: The energy storage market is expected to grow significantly, with new installations projected to reach 45-50 GW in 2025 and over 200 GW by 2027, driven by supportive provincial policies [2][11]. 9. **Profitability Challenges in Energy Storage**: Current profitability in the storage sector varies widely by region, with Inner Mongolia showing the highest returns due to favorable compensation policies, while other regions struggle to achieve profitability [1][15][16]. 10. **Technological Trends in Energy Storage**: The development of energy storage technologies is shifting towards lithium batteries, which are expected to dominate the market due to their lower costs and mature technology. Other technologies like compressed air and liquid flow storage are also being explored but face economic challenges [19][20]. Additional Important Insights - **Impact of New Energy Orders on the PV Industry**: The introduction of new energy orders has led to price limits that affect the photovoltaic sector, with upstream silicon material price pressures being transmitted through supply-demand dynamics [25][26]. - **Differences in Storage Demand**: There is a notable difference in storage demand between China and other countries, with China's robust grid infrastructure reducing reliance on storage compared to regions like Europe and the U.S. [28][29]. - **Long-term Outlook for New Energy Storage**: While the overall urgency for new energy storage may be lower due to existing infrastructure, specific regions still require significant storage solutions due to limited interconnections and high coal dependency [29]. This summary encapsulates the critical points discussed in the conference call, providing a comprehensive overview of the current state and future outlook of the renewable energy and energy storage sectors in China.
浙江开展新型主体市场化负调节响应
Zhong Guo Dian Li Bao· 2025-10-15 07:18
Core Viewpoint - Zhejiang's market-based negative regulation response during the National Day and Mid-Autumn Festival holidays has effectively supported renewable energy consumption and ensured stable electricity supply [1] Group 1: Market Activity - On October 2, Zhejiang organized a market-based negative regulation response transaction with participation from 29 virtual power plant operators [1] - The transaction was structured in 8 half-hour trading periods, with an average declared capacity of 383.4 megawatts per period [2] - The maximum declared capacity reached 480.25 megawatts, while the minimum was 310.55 megawatts, with a clearing price of 300 yuan per megawatt [2] Group 2: Impact on Electricity Consumption - During the holidays, overall electricity load in Zhejiang significantly decreased due to factory shutdowns and reduced production [1] - Concurrently, the pressure on the power system to absorb renewable energy surged, necessitating market-based solutions [1] Group 3: Virtual Power Plant Development - As of now, the Zhejiang trading platform has registered a total of 36 virtual power plants, aggregating 4,806 load-side resources [2] - The maximum adjustable capacity of these resources is 1.48 million kilowatts, and they have participated in market responses 12 times, cumulatively adjusting over 10 million kilowatt-hours of electricity [2]