枣庄电网建设驶入快车道 日均推进2.38千米

Group 1 - The core point of the news is that the State Grid Zaozhuang Power Supply Company is significantly enhancing its power infrastructure during the 14th Five-Year Plan period, with substantial increases in substation capacity and transmission line length [1][3]. - During the 14th Five-Year Plan, 12 new substations of 35 kV and above will be built, adding 5.19 million kVA in capacity and 4,342 km in line length, representing growth of 26.92% and 35.43% respectively compared to the end of the 13th Five-Year Plan [1]. - The installed capacity of renewable energy in Zaozhuang is set to increase from 1.7216 million kW to 4.602 million kW, surpassing coal power capacity of 4.459 million kW for the first time [3]. Group 2 - The company has undertaken significant upgrades to the 220 kV main grid, enhancing the energy transmission capabilities to support the city’s transformation and economic development [3][5]. - A major project to expand the transmission capacity from Huadian Zaozhuang New Source Thermal Power Company to the Zaozhuang grid was completed two months ahead of schedule, increasing the transmission capacity by 200,000 kW [5]. - Eleven substations in the core urban area are under construction, with a focus on integrating new materials and technologies for environmentally friendly construction practices [7].