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上半年风电光伏弃电量和弃电率“双降” 22地未发生弃光限电
Mei Ri Jing Ji Xin Wen· 2025-11-24 04:09
每经记者|周程程 每经编辑|毕陆名 7月30日,国家能源局举行新闻发布会并发布数据显示,上半年,可再生能源发电规模持续扩大。截至 2018年6月底,我国可再生能源发电装机达到6.8亿千瓦,同比增长13%。 其中,风电和光伏发电消纳形势持续好转,弃电量和弃电率"双降"。并且,上半年,有18个省(区、 市)没有弃风限电,有22个省(区、市)没有弃光限电。 值得注意的是,弃风、弃光率均超过5%只有甘肃、新疆两地区。 有能源领域专家在接受《每日经济新闻》记者采访时表示,由于我国资源和负荷分布的不均衡性,加之 西北可再生能源富集省份本地消纳空间有限,加快推进跨省跨区电力市场化交易对促进清洁能源消纳意 义重大。 可再生能源发电规模扩大 近年来,中国可再生能源发展速度加快。BP集团首席经济学家戴思攀对《每日经济新闻》记者表示, 2017年中国的可再生能源发电增长了2500万吨油当量,打破了此前的增长纪录。不仅如此,如果把2017 年所有国家不同能源品种的增量进行排序,中国的天然气和可再生能源将分别列为第一和第二。 戴思攀指出,中国引领了全球可再生能源消费,占全球增长的36%。在可再生能源中,太阳能消费增长 最快,达76%。 ...
安徽向前丨藏在大山里的“超级充电宝”
Ren Min Wang· 2025-10-14 02:03
Core Insights - The article discusses the significance of the pumped storage power station in Jixi County, Anhui Province, which operates as a "super battery" to stabilize the power grid in East China without relying on coal, wind, or solar energy [1][2]. Group 1: Pumped Storage Power Station Overview - The pumped storage power station consists of an upper reservoir, a lower reservoir, a water transport system, and an underground plant, utilizing excess electricity during low-demand periods to pump water uphill for storage [1]. - The station has a total installed capacity of 1.8 million kilowatts, making it the largest pumped storage power station in Anhui Province, with six reversible units of 300,000 kilowatts each [2]. Group 2: Economic and Environmental Impact - As of 2024, the power station has generated a cumulative 2.479 billion kilowatt-hours of electricity and has responded to grid demands 106 times with a 100% success rate, significantly supporting peak shaving and clean energy consumption in the East China grid [2]. - The economic output of the power station in 2024 is reported at 1.684 billion yuan, contributing 113 million yuan in taxes and boosting local employment and infrastructure development [2]. - The environmental benefits include an annual reduction of approximately 216,000 tons of coal consumption and a decrease in carbon dioxide emissions by 475,000 tons, along with reductions in nitrogen oxides and sulfur dioxide emissions [2]. Group 3: Future Developments - Jixi County is advancing new pumped storage projects, including the Jixi Jiaping pumped storage power station, which has been approved with a capacity of 1.4 million kilowatts and an investment of approximately 8.4 billion yuan, expected to be operational by 2030 [3]. - Another project, the Shangzhuang pumped storage power station, is in the planning stage with a proposed capacity of 1.2 million kilowatts, aiming to enhance the resilience of the power grid and convert local ecological resources into economic advantages [3]. - As of August 2023, China's total installed capacity of pumped storage power stations reached 62.365 million kilowatts, achieving the target set in the 14th Five-Year Plan [3].
外来电规模创历史新高 江苏多举措迎峰度夏
Xin Hua Wang· 2025-09-17 12:01
Core Insights - Jiangsu's power grid has achieved a record high of 40.53 million kilowatts in external electricity intake, marking a significant increase in peak electricity supply during the summer [1] - The province's maximum electricity load has surpassed 156 million kilowatts, leading the Yangtze River Delta region [1] - Jiangsu has effectively utilized external resources from regions like Sichuan, Shanxi, and Inner Mongolia to enhance its electricity supply, particularly for high-tech industries [1] Group 1 - Jiangsu's external electricity intake has reached a historical peak of 40.53 million kilowatts, contributing to a stable power supply during peak periods [1] - The province's highest electricity load this summer was recorded at over 156 million kilowatts, the highest in the Yangtze River Delta [1] - The strong power grid structure, including the "one exchange and four direct" ultra-high voltage mixed network, has facilitated large-scale, cross-regional electricity imports [1] Group 2 - Jiangsu has actively engaged in inter-provincial electricity trading to enhance peak power supply, securing 38.4 million kilowatts through long-term transactions [1] - The province has implemented infrastructure improvements, such as the expansion of the Tianmuhu and Maoshan 500 kV substations, to strengthen its grid and enhance clean energy absorption capacity [2] - Monitoring and emergency response mechanisms have been improved to ensure the effective integration of external clean energy sources [2]
西北首座抽水蓄能电站通过验收,年促清洁能源消纳26亿千瓦时
Zhong Guo Dian Li Bao· 2025-09-17 09:39
Core Insights - The Fukang Pumped Storage Power Station, located in Xinjiang, is the first large-scale pumped storage power station in Northwest China, designed to enhance grid stability and facilitate renewable energy consumption [1][2] Group 1: Project Overview - The Fukang Pumped Storage Power Station has a total installed capacity of 1,200 megawatts, featuring four reversible pump-turbine units, each with a capacity of 300 megawatts [1] - The project includes upper and lower reservoirs, a water conveyance system, an underground powerhouse, and a surface switch station, classified as a first-class large-scale project [1] Group 2: Operational Performance - Since the start of water storage operations, the upper and lower reservoirs have successfully withstood three flood seasons, achieving normal water storage levels [1] - As of August 31, 2025, each of the four units has operated for over 4,300 hours, generating a total of 2.894 billion kilowatt-hours and 3.530 billion kilowatt-hours of electricity and pumped water, respectively, with an overall efficiency of 81.13% [1] Group 3: Environmental Impact - The station's dual-directional regulation capacity reaches 2.4 million kilowatts, enabling the consumption of over 2.6 billion kilowatt-hours of clean energy annually, saving 165,000 tons of standard coal and reducing carbon dioxide emissions by 496,000 tons [2] - The project plays a crucial role in ensuring the safe and stable operation of the power system and promoting the development of a new energy system [2]
“十四五”粤港澳大湾区首个抽蓄工程实现“投产即入市”
Ke Ji Ri Bao· 2025-09-08 00:25
Core Viewpoint - The successful commissioning of the first unit of the Meizhou Pumped Storage Power Station Phase II marks a significant milestone in China's pumped storage sector, enabling immediate market participation and enhancing the regulation capacity of the new power system while accelerating the construction of a unified national electricity market [1][2]. Group 1: Project Details - The first unit of Meizhou Phase II can generate 300,000 kilowatt-hours of clean electricity per hour, equivalent to the daily electricity consumption of 50,000 residents [1]. - The total trading scale of the power station in the electricity market reaches 1.5 million kilowatts, making it the largest pumped storage station in China [1]. - The project has a total investment of approximately 12 billion yuan, making it the largest pumped storage project in the Guangdong-Hong Kong-Macao Greater Bay Area [2]. Group 2: Environmental Impact - Upon full completion, the entire power station's installed capacity and regulation capacity will reach 2.4 million kilowatts and 4.8 million kilowatts, respectively [2]. - The station can annually absorb up to 7.2 billion kilowatt-hours of clean energy, reducing standard coal consumption by approximately 2.18 million tons and cutting carbon dioxide emissions by about 5.9 million tons [2]. - The clean energy absorption capacity will be the strongest among domestic pumped storage stations of similar scale [2]. Group 3: Market Participation - The Meizhou Pumped Storage Power Station will participate in the electricity market using a "quantity and price reporting" method for the first time in China, starting in October 2024 [1]. - As of the end of August, the station has traded over 1.74 billion kilowatt-hours in the market and has responded to market demands by initiating operations over 4,200 times [1].
如何让绿电供得上、用得好——来自福建省的调查
Jing Ji Ri Bao· 2025-07-30 00:18
Core Insights - The article discusses the rapid development of clean energy in Fujian Province, focusing on the construction of a new power system and the effective consumption of renewable energy sources [1][2][3] - Fujian has established a diversified energy supply system, integrating hydro, nuclear, wind, solar, and gas energy, achieving a clean energy installation ratio of 56.7% and a generation ratio of 53.6% by April 2025 [1][3][4] Energy Structure Transformation - Fujian's energy structure has evolved from reliance on hydropower to a multi-energy complementary system, addressing the challenges of energy supply during dry seasons and waste during rainy seasons [2][3] - The province has accelerated the development of nuclear, wind, solar, and gas energy since the 18th National Congress, with nuclear power capacity ranking second nationally and offshore wind power included in national planning [3][4] Smart Grid Empowerment - The construction of a smart energy internet has enhanced Fujian's capacity to absorb clean energy, utilizing advanced predictive technologies and AI algorithms to achieve a 95.8% accuracy in power forecasting [5][6] - The smart grid system has been tested during extreme weather events, successfully managing peak loads and ensuring stable power supply [5][6] Innovation Cluster Emergence - The Fujian Sanxia Offshore Wind Power International Industrial Park has become a hub for leading companies in the wind energy sector, generating an output value of approximately 6 billion yuan [9][10] - The establishment of a national offshore wind power research and testing base has facilitated breakthroughs in large-capacity offshore wind turbine technology [9][10] Green Electricity Value Transformation - Fujian is actively expanding its green electricity trading market, achieving a 154% increase in green electricity transactions and a 495% increase in green certificate transactions in 2024 [14][15] - The province is also innovating financial products to support green energy projects, enhancing the economic value derived from ecological assets [15][16]
江岳文:畅通清洁能源消纳通道
Jing Ji Ri Bao· 2025-07-30 00:05
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]
畅通清洁能源消纳通道
Jing Ji Ri Bao· 2025-07-29 22:18
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 [1] - The existing power grid infrastructure struggles 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 [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 voltage and capacity constraints [1] Group 2 - The potential of virtual power plants to aggregate demand-side resources is crucial for enhancing the operational flexibility of grids with high proportions of clean energy [2] - Demand-side flexibility resources, such as electric vehicles and industrial loads, can provide a more cost-effective and broader range of adjustments compared to traditional grid infrastructure, but require organized aggregation to achieve scale [2] - Promoting local consumption of distributed energy and developing flexible local market mechanisms are essential for optimizing renewable energy utilization [2]
如何让绿电供得上、用得好 ——来自福建省的调查
Jing Ji Ri Bao· 2025-07-29 22:12
Core Viewpoint - The article highlights the rapid development of clean energy in Fujian Province, emphasizing the transition from a single reliance on hydropower to a diversified energy structure that includes nuclear, wind, solar, and gas, achieving complete consumption of clean energy [1][2][3]. Energy Structure Transformation - Fujian has shifted from relying solely on hydropower to a multi-energy complementary system, with hydropower contributing 32.9% to the clean energy installed capacity [2][3]. - The water resources in Fujian, particularly the Min River, provide a significant foundation for hydropower, with the Wukou Hydropower Station being the largest conventional hydropower station in East China, generating 170 billion kilowatt-hours over 30 years [2][3]. - As of April 2025, clean energy installed capacity in Fujian reached 56.7%, with a generation share of 53.6% [1]. Smart Grid Empowerment - The construction of a smart energy internet has enhanced the capacity for clean energy consumption, utilizing advanced technologies for precise forecasting and full-chain consumption [5][6]. - The smart grid system allows for real-time monitoring and rapid response to energy demands, ensuring 100% consumption of wind and solar energy during peak output [5][6]. - The integration of AI algorithms has improved the accuracy of renewable energy power forecasting to 95.8% [5]. Innovation Cluster Emergence - The Fujian Sanxia Offshore Wind Power International Industrial Park has become a hub for leading companies in the wind power sector, generating an output value of approximately 6 billion yuan [9]. - The park has facilitated the development of domestically produced offshore wind turbines, marking a significant shift from following to leading in technology [9][10]. - The establishment of a national offshore wind power research and testing base has accelerated the development of new technologies in wind power equipment [10]. Green Electricity Value Transformation - Fujian is actively expanding the scope of green electricity trading, achieving a cumulative transaction of 19.49 billion kilowatt-hours and 1.35 million green certificates in 2024, representing a year-on-year increase of 154% and 495% respectively [14][15]. - The province has implemented policies to include various renewable energy projects in the green electricity trading market, enhancing the supply capacity of green electricity [15][16]. - Innovative financial products such as "green electricity loans" have been introduced to support the development of green energy projects [15][16].
如何让绿电供得上、用得好
Jing Ji Ri Bao· 2025-07-29 22:11
Core Viewpoint - The article highlights the rapid development of clean energy in Fujian Province, focusing on the transition from a single hydropower reliance to a diversified clean energy system that includes nuclear, wind, solar, and gas, achieving 100% clean energy consumption [1][3][5]. Energy Structure Transformation - Fujian has shifted from relying solely on hydropower to a multi-energy complementary system, with hydropower accounting for 32.9% of clean energy installed capacity [2][3]. - The province's clean energy installed capacity reached 56.7% by April 2025, with a generation share of 53.6% [1]. - The water resources in Fujian, particularly the Min River, provide a significant hydropower potential, with the Wukou Hydropower Station contributing 170 billion kilowatt-hours over 30 years [2]. Smart Grid Empowerment - The construction of a smart energy internet has enhanced Fujian's ability to absorb clean energy, utilizing advanced predictive technologies and AI algorithms to achieve a 95.8% accuracy in power forecasting [5][6]. - The province's smart grid system has successfully managed peak loads and extreme weather events, demonstrating resilience and adaptability [5][6]. Innovation Cluster Emergence - The Fujian Sanxia Offshore Wind Power International Industrial Park has become a hub for leading companies in the wind energy sector, generating an output value of approximately 6 billion yuan [9]. - The establishment of a national offshore wind power research and testing base has accelerated technological advancements in wind turbine manufacturing [10]. Green Electricity Value Transformation - Fujian has seen a significant increase in green electricity trading, with a total of 1.949 billion kilowatt-hours traded in 2024, marking a 154% year-on-year growth [14][15]. - The province is actively promoting green electricity consumption among enterprises and expanding the range of projects participating in green electricity trading [15][16].