Theoretical Evaluation of Photovoltaic Thermal Water Source Heat Pump, Application Potential and Policy Implications: Evidence from Yangtze River Economic Belt, China

In the context of carbon neutrality, making full use of renewable energy is the key to further improve China’s development index. Within China’s Yangtze River Economic Belt, solar energy and river water, as clean and abundant sources of renewable energy, have garnered increasing. In this paper, a so...

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Bibliographic Details
Published in:Sustainability 2023-09, Vol.15 (18), p.13638
Main Author: Wu, Qiuyi
Format: Article
Language:English
Subjects:
Alternative energy sources
Aquatic resources
Carbon
China
Climate
Cogeneration power plants
Cold
Construction industry
Economic aspects
Economic development
Economic growth
Economic reform
Emission standards
Emissions
Emissions (Pollution)
Energy conservation
Energy consumption
Energy efficiency
Energy policy
Energy resources
Environmental policy
Force and energy
Green buildings
Heat
Paris Agreement
Radiation
Renewable resources
Solar energy
Solar energy industry
Surface water
Sustainability
Water shortages
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Summary:In the context of carbon neutrality, making full use of renewable energy is the key to further improve China’s development index. Within China’s Yangtze River Economic Belt, solar energy and river water, as clean and abundant sources of renewable energy, have garnered increasing. In this paper, a solar energy and surface water driven cogeneration system model is developed by TRNSYS to provide users with heat, cold and electricity. Six representative cities located along the upper, middle, and lower reaches of the Yangtze River Economic Belt were selected to evaluate and analyze the energy-saving, emission reducing, and economic and environmental benefits of solar energy and river water heat utilization in the aspects of energy, economy, and environment. The results shows that the annual power output of PV/T-GSHP system, from the west to the east of the Yangtze River, shows a phase growth trend, which is related to the light intensity. The annual heat output of PV/T plate gradually decreases from the lower reaches of the Yangtze River to the upper reaches. The research findings confirm the application potential of new energy sources in the Yangtze River Economic Belt and quantify the emission reduction effects of new environmental protection actions such as solar energy and river water heat sources. It provides valuable guidance for the utilization of new energy sources, including solar energy and surface water heat energy in the Yangtze River Economic Belt, as well as for optimizing energy policies.
ISSN:2071-1050
2071-1050
DOI:10.3390/su151813638