Core Viewpoint - The 110 kV Jizhou Substation has successfully entered a 24-hour trial operation phase, enhancing the power supply capacity for the Niuli Industrial Park in Qujiang District, which is crucial for supporting high-quality industrial development in the region [1][2]. Group 1: Project Overview - The 110 kV Jizhou Substation is located in Niuli Town, Qujiang District, featuring a semi-indoor GIS intelligent substation design with a total capacity of 100 MVA from two main transformers [1]. - The substation includes two 110 kV incoming lines and 24 outgoing lines at 10 kV, set to replace the 35 kV Niuli Substation as the new power supply hub for the industrial park [1]. Group 2: Quality Assurance and Management - The construction of the 110 kV Jizhou Substation involved multiple departments, including power supply, design, and construction, to ensure rigorous design and construction reviews [2]. - A three-tier acceptance system was implemented, involving self-acceptance by the construction unit, comprehensive acceptance by operation and maintenance professionals, and specialized acceptance by an evaluation team, ensuring high-quality standards [2]. Group 3: Seasonal Relevance and Future Plans - The commissioning of the Jizhou Substation coincides with the critical winter peak demand period, providing a robust power supply to withstand extreme weather impacts [2]. - The company plans to continue enhancing power grid planning and construction, focusing on upgrading and optimizing the grid structure and improving the reliability of power supply to support local economic and social development [2].

Group 1 - The 220 kV Mochou Substation is undergoing acceptance testing for its primary and secondary equipment, with the new transformer expected to be operational before the summer peak demand [1] - Nanjing Power Supply Company is actively promoting a series of engineering projects, with 35 main network infrastructure projects currently under construction [1] - The Mochou Substation is crucial for supplying power to densely populated commercial and governmental areas, and the expansion aims to enhance the flexibility and reliability of the regional power grid [1] Group 2 - Following the strengthening of the northern power grid, Nanjing Power Supply Company is focusing on reinforcing the southern power grid, with the Gongtang-Huake 220 kV line project being a key initiative [2] - The Gongtang Substation serves as a hub for the southern power grid, and the new line will improve the reliability of power supply in the Jiangning area, which is experiencing increasing electricity demand [2] - The Gongtang-Huake project involves multiple construction methods and aims to be operational before the winter peak demand in 2024 [2] Group 3 - The Qiu-Teng-Wangjiang line, completed last summer, enhances the reliability of the northern power grid and facilitates the direct transmission of clean energy to Nanjing's core area [3] - The coordinated advancement of north-south regional power grid projects will comprehensively improve the overall power supply capacity and reliability of Nanjing's power grid [3]