特高压输电

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电力设备新能源行业点评:工信部召开光伏企业座谈会,蒙西至京津冀特高压直流输电工程获批
Guoxin Securities· 2025-07-04 08:52
Investment Rating - The investment rating for the electric equipment and new energy industry is "Outperform the Market" (maintained) [1][5] Core Insights - The Ministry of Industry and Information Technology held a meeting with photovoltaic manufacturing enterprises to address issues such as chaotic competition and the exit of backward production capacity [2] - The approval of the ±800 kV DC transmission project from Inner Mongolia to Beijing-Tianjin-Hebei has been granted, which will transport 36 billion kWh of green electricity annually to the Beijing-Tianjin-Hebei region [3] - Investment suggestions include focusing on TBEA and leading polysilicon companies [1] Summary by Sections Photovoltaic Industry - The Ministry of Industry and Information Technology emphasized the need for comprehensive governance of low-price chaotic competition in the photovoltaic industry, aiming to enhance product quality and promote the orderly exit of backward production capacity [2] Power Grid - The ±800 kV DC transmission project from Inner Mongolia to Beijing-Tianjin-Hebei is a key project under the national "14th Five-Year" power planning, with a total investment of 17.178 billion yuan and a length of 669 kilometers [3] Company Profit Forecasts - TBEA is projected to have a net profit of 4.13 billion yuan in 2024, increasing to 6.20 billion yuan in 2025 and 7.80 billion yuan in 2026, with a PE ratio of 14.8x for 2024 [6]
城市24小时 | 动真格了?江苏“十三妹”想赢
Mei Ri Jing Ji Xin Wen· 2025-06-30 15:01
Group 1: Core Insights - Changzhou is focusing on the high-quality development of football through a three-year action plan from 2025 to 2027, emphasizing youth football, campus promotion, and integration with cultural tourism [1] - Despite a poor performance in the "Super League," Changzhou has gained attention through creative marketing strategies and community engagement, positioning itself as a potential winner in the football scene [1] - The city aims to recover its football reputation and improve its youth training systems, learning from the successful models of neighboring cities like Nantong [2][4] Group 2: Historical Context and Plans - Changzhou's interest in football development is not new; the "14th Five-Year Plan for Sports Development" initiated in 2021 already highlighted the importance of promoting football in schools and increasing funding for the sport [2] - The 2023 action plan further emphasizes the need for a structured approach to football development, including the establishment of training bases and attracting high-profile events [2] - Challenges such as the lack of professional clubs and a weak youth training system have been acknowledged, indicating a need for significant improvements [2] Group 3: Comparative Analysis - Nantong has established a successful model for youth football development, integrating schools, training camps, and professional teams, which has resulted in a strong talent pipeline for its football clubs [3] - The success of Nantong's football teams is attributed to its robust youth training system, contrasting with Changzhou's current struggles [3] Group 4: Broader Implications - The developments in Changzhou's football strategy may have implications for the local economy and community engagement, as sports can drive tourism and local business growth [1][2] - The integration of sports with cultural tourism is seen as a strategic move to enhance the city's appeal and economic prospects [1]
“陕电入皖”的重点配套工程安徽500千伏舒邑变电站完成各项调试任务,正式送电投运
news flash· 2025-06-19 01:22
Core Viewpoint - The completion and commissioning of the Shuyi Substation in Anhui marks a significant milestone for the "Shan Electric into Anhui" project, enhancing energy supply reliability in the region [1] Group 1: Project Overview - The Shuyi Substation is a key supporting project for the Shanbei to Anhui ±800 kV UHVDC transmission project, with over half of the transmitted electricity being delivered through this substation to various locations in Anhui [1] - The substation plays a crucial role in upgrading the power grid around Chaohu Lake, providing reliable energy support to key areas such as the Binhu Science City and the Hefei-Lu Industrial New City [1] Group 2: Technical Details - Two 1 million kVA transformers have been put into operation, capable of meeting the electricity needs of nearly 5 million households [1] - The project is expected to further enhance the reliability of power supply in central Anhui [1]
通达股份预中标1.37亿电网项目 首季营收14.74亿冲刺百亿目标
Chang Jiang Shang Bao· 2025-06-17 23:53
Core Viewpoint - Tongda Co., Ltd. has recently secured a significant order from the State Grid, indicating strong growth potential in its core cable business and overall financial performance [2][3]. Group 1: Recent Orders and Financial Performance - On June 17, Tongda Co., Ltd. announced a pre-bid win for a State Grid procurement project valued at 137 million yuan, which is approximately 2.20% of the company's total revenue for 2024 [3]. - Since May, the total value of pre-bid orders from the State Grid has reached 520 million yuan, showcasing the company's strong market position [5]. - In Q1 2025, the company reported a 61.98% year-on-year increase in new orders, reflecting robust demand for its products [6]. Group 2: Revenue and Business Segments - The cable business is the primary revenue source for Tongda Co., accounting for over 50% of total revenue, with a reported revenue of 32.33 billion yuan in 2024, up 16.63% year-on-year [8]. - The company aims to achieve an annual revenue target of 10 billion yuan by 2025 as part of its "511" development plan, marking the final year of this strategic initiative [8]. - In Q1 2025, Tongda Co. achieved a revenue of 1.474 billion yuan, representing a 39.35% increase compared to the previous year [7]. Group 3: Strategic Goals and Market Position - Tongda Co. has been recognized as a leading enterprise in the Henan province's wire and cable industry, with products utilized in over 600 national key projects [5]. - The company has set ambitious goals to become a leader in both the cable and aerospace component processing sectors, aiming for a total revenue of 100 billion yuan within five years [8]. - The company has experienced fluctuations in performance since its listing in 2011, but recent trends indicate a stabilization in revenue and profit growth [7].
全国道德模范提名奖国家电网胡洪炜:执着攻坚勇当先锋
Zhong Guo Neng Yuan Wang· 2025-06-16 09:35
【人物名片】胡洪炜,第九届全国道德模范提名奖获得者,国网湖北超高压公司输电检修中心带 电作业二班班长。参加工作25年来,他扎根超高压、特高压带电作业一线,以"一辈子办成一件事"的 执着,攻克多项带电作业关键技术难题,曾获全国劳动模范、全国"最美青工"、全国最美职工等荣 誉。 2000年,胡洪炜退伍后入职国网湖北超高压公司输电检修中心,成为我国首个从事超特高压输电 线路带电作业的专业班组的一员。凭借不服输的"军人本色"和超出常人的勤学苦练,他迅速成长为业 内"尖兵"和生产骨干,在各层级的技能比武中屡获佳绩。 2001年,胡洪炜首次参与线路检修,更换500千伏葛南线的间隔棒。检修作业的第一天,师傅在 完成自己的工作任务后,又协助他完成了一档线路的间隔棒更换工作。这次实战经历后,胡洪炜彻夜 难眠,反复琢磨师傅的操作要领。第二天,他认真观察师傅的操作动作,结合实际改进方法,独立完 成了更换任务。第三天,胡洪炜不仅完成了额定工作量,还主动协助师傅完成另一档线的间隔棒更 换,让师傅连连称赞。 近日,在湖北省荆门市后港镇40多米的高空中,胡洪炜在500千伏安兴一回线路导线开展带电作 业,完成受损导线补强工作,保障迎峰度夏期 ...
新华全媒+ | 2260公里跨越5省份 0.007秒“疆电”点亮山城
Xin Hua She· 2025-06-10 08:26
Core Points - The "Xinjiang Power to Chongqing" project is China's first ultra-high voltage direct current transmission line connecting the northwest and southwest regions, enabling efficient electricity transfer over a distance of 2260 kilometers [1][3] - The project has a total investment of approximately 28.6 billion yuan and is expected to deliver over 36 billion kilowatt-hours of electricity annually, with more than half coming from renewable sources [1][3] - The project is part of a broader strategy to enhance energy resource allocation in China, particularly addressing the energy supply and carbon reduction pressures faced by eastern and central provinces [3][4] Investment and Economic Impact - The project is expected to significantly lower electricity costs for data centers in Chongqing, which have a growing demand for green electricity [2] - The renewable energy capacity associated with the project includes 10.2 million kilowatts from wind, solar, and thermal sources, accounting for over 70% of the total installed capacity [1][3] - The project will help reduce coal consumption by approximately 6 million tons and decrease carbon dioxide emissions by about 16 million tons annually [1] Technological Advancements - The core equipment at the converter stations has been domestically produced, enhancing the stability and efficiency of renewable energy transmission [2] - The converter stations utilize advanced technology, including second-generation synchronous condensers, which have world-leading performance in key parameters [2] - The project includes customized designs for transmission towers to withstand high wind speeds, ensuring structural integrity and reliability [3] Renewable Energy Potential - Xinjiang has significant renewable energy resources, with a technical potential of 780 million kilowatts for wind energy and 1.6 trillion kilowatt-hours for solar energy [3] - The project exemplifies the potential for Xinjiang to become a national energy resource hub, addressing the mismatch between energy production and consumption in different regions [3][4] - The time difference between Xinjiang and central/eastern regions allows for effective utilization of solar energy, supporting national energy supply during peak demand periods [4]
“疆电入渝”工程今日投产送电 新疆为什么送出的是直流电?
Yang Shi Xin Wen· 2025-06-10 07:39
Core Points - The "Jiang Dian Ru Yu" project, part of China's 14th Five-Year Plan, has commenced power transmission, connecting five provinces and regions with a total length of 2260 kilometers [1][3] - The project utilizes over 70% of renewable energy sources from a total installed capacity of 14.2 million kilowatts [1] - The construction of this high-voltage transmission line took less than two years, setting a record for the fastest completion of a transmission line over 2000 kilometers in China [3] Infrastructure and Technology - The project faced significant challenges due to complex terrain, including snow-capped mountains and deserts, with construction temperatures in Xinjiang dropping to -30 degrees Celsius [4] - To ensure safety in high-wind areas, the transmission towers were reinforced based on scientific measurements of wind speeds [6] - The Chongqing converter station, which is the first of its kind in Southwest China, covers an area equivalent to 40 soccer fields and involved extensive earth-moving operations [14] Environmental Impact - The project is expected to deliver 36 billion kilowatt-hours of electricity annually to Chongqing, with at least 50% coming from clean energy sources, resulting in a reduction of 16.5 million tons of CO2 emissions each year [9] - The clean energy delivered is equivalent to planting 900 million trees in terms of carbon absorption [9] Economic Significance - The "Jiang Dian Ru Yu" project enhances the energy structure of Chongqing, providing enough electricity for 10 million households or the production of 5 million new energy vehicles annually [23] - This initiative strengthens the economic ties between Xinjiang, a major energy base, and Chongqing, an important industrial hub, facilitating a mutually beneficial relationship [21][23] Power Transmission Efficiency - The electricity from Xinjiang reaches Chongqing in just 7 milliseconds, significantly improving the cross-regional consumption of clean energy [10][11] - The project employs high-voltage direct current (HVDC) technology to minimize transmission losses, making it an efficient solution for long-distance power delivery [24]
新型电力系统专家访谈
2025-06-09 15:30
Summary of Key Points from Conference Call Records Industry Overview - The conference call primarily discusses the **new energy sector**, focusing on wind and solar power installations and market dynamics in China. Core Insights and Arguments 1. **Projected Installations for 2025**: It is expected that new wind and solar installations will reach approximately **300 GW**, with **200 GW** from solar and **80-90 GW** from wind. The mechanism electricity ratio is projected to be around **50%** [3][4][6]. 2. **Investment Expectations**: Despite a decrease from **370 GW** in 2024 to **300 GW** in 2025, the investment outlook remains stable for both existing and new projects due to the anticipated increase in industrial and commercial electricity consumption [3][4][6]. 3. **Market Risks Post-2026**: After 2026, the scale of centralized electricity generation is expected to shrink, leading to increased competition and potential downward pressure on mechanism electricity prices. This could result in a significant reduction in new energy installations [4][8]. 4. **Internal Rate of Return (IRR) Decline**: New energy project electricity prices are expected to decrease by **3-5 cents**, leading to a **1.5-2 percentage point** drop in internal rates of return. The average IRR in the northern regions is around **6.5%**, while the central and eastern regions may stabilize around **7-8%** [5][6]. 5. **Grid Investment Surge**: The grid investment is projected to reach a record high, with an **8%** increase in the budget, totaling over **660 billion** yuan, reflecting a **10%** growth rate [1][18]. Additional Important Insights 1. **Electricity Supply and Demand Balance**: The electricity supply gap is expected to ease this summer, with an addition of **60 million kW** in capacity, leading to a generally balanced supply-demand situation [2][32]. 2. **Solar Installation Progress**: As of April 2025, solar installations reached approximately **100 GW**, with expectations to hit **140 GW** by the end of May. However, new installations may decline in the latter half of the year due to project completions [7][16]. 3. **Market Entry of New Energy**: The proportion of new energy entering the market is set to reach **100%** in 2025, with all projects required to participate in market transactions, albeit with a minimum guaranteed price [10][11]. 4. **Utilization Rates**: The utilization rates for solar and wind power are declining due to increased installation capacity. Solar utilization is expected to drop to around **90%**, while wind utilization remains relatively stable [14][15]. 5. **Future of High Voltage Transmission**: The development of high voltage transmission projects is optimistic, with plans for **11 new lines** in 2025, although challenges remain regarding project approvals and environmental assessments [22][24][25]. This summary encapsulates the critical points discussed in the conference call, providing insights into the current state and future outlook of the new energy sector in China.
天津南1000千伏特高压变电站扩建工程投入运行
news flash· 2025-06-04 12:52
Core Insights - The Tianjin South 1000 kV UHV substation expansion project, a key initiative under the national "14th Five-Year Plan," has commenced operations, enhancing the transmission capacity of clean energy from Inner Mongolia and Hebei to the Tianjin region [1] Group 1 - The project is expected to deliver over 40 billion kilowatt-hours of electricity annually, significantly boosting the energy supply to the Tianjin area [1] - This initiative supports the coordinated development of the Beijing-Tianjin-Hebei region by improving energy infrastructure [1]
【大国工程看新疆】一条“天路”联结西东 “闪送”疆电到千里之外
Zhong Guo Qing Nian Bao· 2025-05-19 13:55
中青报·中青网记者 宁迪 立夏后的新疆昌吉,气温已高达近35摄氏度。湛蓝的晴空下,车行进在新疆维吾尔自治区昌吉回族自治 州准东经济开发区,眼前出现了连片的银色高压铁塔。 5月15日,中青报·中青网记者参加"大国工程看新疆"主题采访活动时,走进国网新疆电力有限公司超高 压分公司昌吉换流站(以下简称"昌吉换流站")。这里是我国自主设计建设的首个±1100千伏特高压直 流输电工程——昌吉-古泉±1100千伏特高压直流输电工程(以下简称"吉泉直流工程")的源头,高耸矗 立的铁塔发出的电,正以0.01秒的极速,把电"闪送"给3293公里外的安徽宣城,相当于人眨眼的一瞬 间,电力已输送到安徽30次。6000多座特高压铁塔沿着新疆、甘肃、宁夏、陕西、河南、安徽六省 (区)建设,搭载高压线,架起了一条空中"电力天路"。 国网新疆 为什么新疆与千里之外的安徽"结缘"?记者了解到,新疆在全国能源资源开发中具有重要的战略地位, 煤炭资源总量、风能资源储量、太阳能年辐射总量均居全国前列。而华东地区经济发达,电力供需矛盾 突出、土地资源紧缺、大气环境压力巨大,迫切需要发展区外来电。 电力输送不比寻常,要24小时不间断输电,维持设备的安 ...