Group 1 - The article highlights the importance of upgrading infrastructure in old residential areas to meet the growing living demands of residents, which is a key issue in urban governance amid accelerated urbanization and the promotion of green travel concepts [1][2] - The "one household, one meter" initiative is emphasized as a significant improvement for residents' quality of life, addressing issues like inaccurate metering and billing disputes, while also enhancing urban governance [1][2] - Challenges in the renovation process include outdated water supply and electrical systems in densely populated old neighborhoods, which are exacerbated by funding and construction difficulties [1] Group 2 - The rapid adoption of electric vehicles (EVs) necessitates the development of charging infrastructure, indicating a shift in urban infrastructure from basic needs to developmental requirements [3] - There are currently 887 residential complexes facing challenges in installing charging stations due to outdated wiring and insufficient electrical capacity, which complicates the separation of charging and residential electricity metering [3][4] - Recommendations include establishing a provincial coordination mechanism among various departments to facilitate the renovation of old residential areas, with a focus on cities with high EV ownership [3][4]