杭州第500座变电站投运

Core Insights - The commissioning of the 110 kV Beizhan Substation marks a significant milestone as the 500th public substation in Hangzhou's power grid, representing a new phase in the city's energy infrastructure development [1][3] Group 1: Infrastructure Development - The Beizhan Substation is part of the "15th Five-Year Plan" for Hangzhou's power grid, with a total investment of 183 million yuan and an area of 3,906.67 square meters, featuring two 50 MVA main transformers and 8.16 kilometers of 110 kV cable lines [2] - The project utilized a "government-enterprise collaboration" model, reducing land approval time by two months, and employed green construction techniques, allowing for completion three months ahead of schedule [2] Group 2: Historical Context and Growth - The establishment of the 500th substation reflects the historical evolution of Hangzhou's electricity supply, from the first electric light in 1896 to the current advanced power grid capable of supporting modern urban needs [3][4] - The number of substations in Hangzhou has rapidly increased, with significant milestones such as the 2019 commissioning of the 110 kV Bai Miao Substation, which brought the total to over 400 [4] Group 3: Future Plans and Goals - During the "15th Five-Year Plan" period, Hangzhou aims to complete over 120 key power transmission and transformation projects to meet the demands of becoming a world-class modern socialist international metropolis [4]