en.Wedoany.com Reported - According to urban construction data recently released by China's State Council, as of June 2026, China has cumulatively constructed and renovated approximately 770,000 km of urban underground pipelines, including about 200,000 km of gas pipelines, 175,000 km of drainage pipelines, 175,000 km of water supply pipelines, 100,000 km of sewage pipelines, and 120,000 km of heating pipelines. During the same period, China added approximately 50,000 MW of heating capacity, 200 million square meters of heating area powered by new and renewable energy sources, and 5 million cubic meters per hour of mobile drainage capacity. Additionally, China has completed the renovation of 15,000 historic buildings, newly identified over 100 historic and cultural districts, and designated more than 10,000 historic buildings. It has also implemented renovation and enhancement projects in the historic urban areas of national historic and cultural cities and 300 historic and cultural districts.
The above data covers China's latest progress in urban underground infrastructure renewal and historic and cultural preservation. The underground pipeline network serves as the "lifeline" of urban operations, involving key sectors such as gas, drainage, water supply, sewage, and heating. According to statistics, the total length of China's urban water supply pipelines has exceeded 1 million km, but some aging pipelines pose risks of leakage and rupture. The cumulative construction and renovation mileage announced reflects China's systematic renewal of aging urban infrastructure. The added heating capacity and renewable energy heating area align with China's energy transition goals of promoting clean winter heating and reducing coal consumption. The increased mobile drainage capacity aims to mitigate urban waterlogging risks during extreme rainfall events and enhance urban resilience.
In terms of historic and cultural preservation, since China established the mechanism for designating historic and cultural districts and identifying historic buildings in 2015, over 1,200 historic and cultural districts have been announced nationwide, and more than 50,000 historic buildings have been identified. The newly added 100 historic and cultural districts and 10,000 historic buildings further expand the preservation list. The renovation and enhancement of 300 historic and cultural districts involve projects such as building reinforcement, style restoration, and infrastructure improvement.
According to official data from China's Ministry of Housing and Urban-Rural Development, national urban renewal investments in 2025 reached approximately 2.6 trillion yuan, with underground pipeline renovation and historic and cultural preservation projects accounting for a significant share. The data released serves as a phased summary of achievements in related fields toward the end of the "14th Five-Year Plan" period (2021-2025). China plans to continue advancing urban renewal initiatives during the "15th Five-Year Plan" period (2026-2030).
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