Rapid urbanization has resulted in severe demands on water, heat and energy resources, which threaten the sustainability of the urban economy and environment. Geothermal energy is one of the cleanest sources of energy and it plays an important role in the sustainability of the urban economy and environment. This paper employs Vector Autoregressive Model (VAR) model to detect the effects of water, heat and energy consumption on geothermal adoption and interactions among them. Beijing is chosen as a case study to investigate the water-heat-energy nexus and coupling coordination between geothermal adoption and regional economy. The results reveal that water consumption has mainly affected on geothermal adoption. water consumption and energy consumption have negative effects on geothermal adoption while centralized heat supply has a positive effect on geothermal adoption. This paper also adopts gear model to investigate coupling coordination between geothermal adoption and regional economy. The rates of geothermal adoption and regional economy are various but they are in the good state of coupling coordination. In addition, the coupling coordination of geothermal adoption and regional economy has the potential to promote.

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