Aging Population and China's Hukou System Shape Urban Energy Demand

⚡ AI Executive Summary

A household survey across Beijing reveals that population aging is significantly altering residential energy consumption patterns, with electricity and natural gas becoming dominant fuels as older residents spend more time at home. The study identifies how age interacts with urban geography and China's hukou residency system to create distinct energy profiles: older households consume more electricity due to longer occupancy, reduced thermal efficiency in aging housing stock, and higher appliance usage. For power system planners, this research highlights a critical demographic reality: aging urban populations will drive persistent electricity demand growth independent of economic expansion, while the spatial concentration of elderly residents in core urban areas creates localized grid challenges. The interaction between demographic trends and institutional barriers (the hukou system restricting mobility and housing access) suggests that utility demand forecasting models must account for demographic stratification and institutional constraints, not merely economic growth or technology adoption. Cities pursuing energy efficiency and decarbonization will need targeted programs addressing the thermal retrofit of older housing and appliance electrification strategies tailored to fixed-income retirees—a segment growing rapidly across Asia.