Core Insights - The completion of the Meixi gas turbine 500 kV transmission project in Anji County, Huzhou, marks a significant step in providing clean and efficient energy for local industrial upgrades and economic development [1] - Zhejiang is accelerating the construction of a new power system to meet the rising electricity demand driven by emerging business models and new energy demands [1][2] - The establishment of a robust energy transmission system, including the Baihetan-Zhejiang ±800 kV UHVDC project, enhances the energy supply network in Zhejiang [1][2] Energy Transmission System - The Baihetan-Zhejiang ±800 kV UHVDC project, along with three other UHVDC lines, forms a backbone network for energy transmission, ensuring a continuous supply of clean electricity to Zhejiang [1] - The State Grid Huzhou Power Supply Company has implemented a comprehensive operation and maintenance model that includes "three-dimensional inspection + centralized monitoring + grid-based inspection stations," ensuring efficient and stable operation of the UHV lines [1] Smart Inspection and Management - The ±800 kV Shaoxing converter station utilizes an integrated smart inspection system with advanced technologies such as drones and robots, allowing for real-time monitoring of over 10,000 inspection points [2] - The smart systems significantly enhance management efficiency by providing clear visibility of equipment status [2] Renewable Energy Development - Zhejiang is actively optimizing its energy supply structure and promoting the construction of smart distribution networks, integrating planning, construction, and operation [2] - New flexible devices for adjusting power flow have been deployed in Deqing and Changxing counties, allowing for efficient energy distribution based on real-time demand [2] Load Regulation Strategies - The "peak shaving and valley filling" strategy in Huzhou encourages over 10,000 industrial enterprises to shift some of their daytime electricity usage to nighttime, creating a city-wide electricity resource pool [3] - The establishment of virtual power plants in Zhejiang consolidates dispersed electricity and storage resources, enhancing unified control capabilities equivalent to a small thermal power plant [3] - During the summer peak season, Zhejiang effectively balances supply and demand by utilizing energy storage and pumped storage facilities [2][3]

Core Insights - The completion of the Meixi gas turbine 500 kV transmission project in Anji County, Huzhou, marks a significant step in providing clean and efficient energy for local industrial upgrades and socio-economic development [1] - Zhejiang is accelerating the construction of a new power system to meet the rising electricity demand driven by emerging business models and new industries [1] - The establishment of a robust energy transmission system, including the Baihetan-Zhejiang ±800 kV UHVDC project, enhances the energy supply network in Zhejiang [1] Group 1: Energy Infrastructure Development - The Baihetan-Zhejiang ±800 kV UHVDC project, along with three other UHVDC lines, forms a backbone energy network that continuously delivers clean electricity to Zhejiang [1] - The State Grid Huzhou Power Supply Company has implemented a comprehensive operation and maintenance model that includes "three-dimensional inspection + centralized monitoring + grid-based inspection stations," ensuring a rapid response to operational issues [1] - The company has established a proactive smart inspection technology demonstration area, enabling real-time monitoring and early warning systems for the UHV lines [1] Group 2: Smart Grid and Renewable Energy Integration - In Shaoxing, the ±800 kV Shaoxing converter station utilizes an integrated smart inspection system with advanced technologies like drones and robots for efficient monitoring of over 10,000 inspection points [2] - Zhejiang is optimizing its energy supply structure and advancing smart distribution network construction, promoting integrated development of planning, construction, and operation [2] - New flexible devices for adjusting power flow have been deployed in Deqing and Changxing counties, allowing for efficient energy distribution based on real-time demand [2] Group 3: Load Management and Demand Response - The "peak shaving and valley filling" strategy in Huzhou encourages over 10,000 industrial enterprises to shift some of their daytime electricity usage to nighttime, creating a city-wide electricity resource pool [3] - The establishment of virtual power plants in Zhejiang consolidates dispersed electricity and energy storage resources, enhancing unified control capabilities equivalent to a small thermal power plant [3] - During the summer peak season, Zhejiang effectively balanced supply and demand by utilizing grid-side energy storage and pumped storage facilities [2][3]

Group 1 - The core idea of the articles revolves around Suzhou's efforts in optimizing its energy supply structure and enhancing the reliability of its power grid to support green energy consumption and carbon reduction initiatives [1][2][3] Group 2 - Since the establishment of the International Energy Transformation Forum in 2015, the State Grid Suzhou Power Supply Company has been working on improving energy supply structures and resource allocation [1] - Suzhou has built a robust power grid infrastructure, including 563 substations and 14,400 kilometers of transmission lines, making it the largest power grid among prefecture-level cities in China [1] - In the summer of this year, external electricity accounted for about 50% of Suzhou's power load, with one-third of the electricity being green energy [1] - From 2015 to last year, Suzhou's installed power generation capacity increased by 57%, with renewable energy capacity growing 21 times over the past decade [1] Group 3 - In 2016, the State Grid Corporation and the Suzhou government signed a strategic cooperation agreement to develop Suzhou as a model city for energy transformation [2] - Suzhou was selected as one of the ten pilot cities for world-class urban distribution network construction, focusing on advanced distribution network technology applications [2] - The city has installed over 100,000 sensing devices, creating a highly perceptive smart distribution network [2] - In October 2023, Suzhou established a proactive monitoring system for low-voltage user outages and launched an AI-powered service system for power supply management [2] Group 4 - The emergence of virtual power plants is a trend in the construction of new power systems and market reforms [3] - The Suzhou Zero Carbon Smart Virtual Power Plant, established in December 2022, can consume and provide electricity while participating in power trading [3] - The virtual power plant completed market registration and is one of the first six virtual power plants in Jiangsu to participate in the electricity spot market [3]

Core Viewpoint - The company has made significant advancements in enhancing the reliability and efficiency of its power distribution network, focusing on smart transformation and service optimization to address common issues such as overload and low voltage [3][4]. Group 1: Project Completion and Implementation - The 35 kV Jinji and Caocuan substations' interconnection project has been fully completed, which is part of the company's 2025 smart distribution network initiative [1]. - The project will enable load sharing between the two substations, improving the rapid power transfer capability between devices [1]. Group 2: Reliability Management and Upgrades - In the first half of the year, the company focused on enhancing distribution network reliability, implementing various projects to address issues like overload and low voltage [3]. - A total of 192 distribution lines were comprehensively reviewed, with 1,678 inspection plans issued, covering 12,400 kilometers [3]. - The company upgraded 741 transformer stations and replaced 48 old lines, ensuring more stable operation of household appliances and smoother production for businesses [3]. Group 3: Continuous Power Supply Initiatives - The company has implemented 814 instances of "live-line work," eliminating 92 defects and utilizing mobile power sources to ensure uninterrupted power supply during maintenance [3]. - This approach has reduced power outages for 87,430 households, allowing maintenance work to be completed without user awareness [3]. Group 4: Equipment Upgrades and Digitalization - Prior to the summer peak, the company completed adjustments and replacements of 27 poorly positioned switches and old switches, integrating 102 pole-mounted terminal units (FTUs) and 31 station terminal units (DTUs) [4]. - The upgrades aim to enhance the reliability management capabilities through digitalization [4]. Group 5: Emergency Power Supply for Major Events - The company has innovated a "smart + dual power source" model for major event power supply, achieving a 100% success rate in power supply assurance [5]. - It has developed a standardized power supply assurance manual, detailing 27 application scenarios for different types of power supply guarantees [5]. Group 6: Community Engagement and Service Enhancement - The company has established a grid-based service team to ensure rapid emergency response, with a 15-minute response time in urban areas and 30 minutes across the entire region [5]. - It has initiated community outreach programs to assist vulnerable groups, ensuring safety in electricity usage [5].

Core Viewpoint - The State Grid Taiyuan Power Supply Company has successfully implemented a "live working + generator support" model, achieving uninterrupted power supply during maintenance operations, thereby enhancing user experience and operational efficiency [1][3][5]. Group 1: Uninterrupted Power Supply Operations - The company has replaced old ring network cabinets without affecting the power supply to residents and businesses, demonstrating the effectiveness of the new operational model [1]. - In 2024, the company plans to implement 192 distribution network projects and install 5,266 automation terminals, aiming for a 95% connectivity rate by the end of the year [3]. - The introduction of generator units allows for seamless switching between power sources, ensuring that users remain unaware of maintenance activities [3]. Group 2: Reliability and Efficiency Improvements - The annual reduction in power outage duration exceeds 6,000 hours, with power supply reliability reaching 99.99% [5]. - The company is committed to optimizing the "zero perception" operational model, which is expected to contribute significantly to the city's high-quality development [5].