英文關鍵字:
aquavoltaics;system dynamics models;cost-benefit analysis;environmental cost
期刊及卷期:
Sustainability, 第15卷, 第11期, 第8965. (SCIE)頁
摘要:
Aquaculture has long been a significant industry in Taiwan, contributing significantly to
the country’s GDP through both exports and domestic consumption. However, certain aquaculture
practices have faced criticism due to their heavy groundwater usage, resulting in environmental
damage such as land subsidence in the southwestern region of Taiwan. In order to change the
industry’s negative environmental image and achieve the ambitious targets set by the Taiwanese
government, including 20 GW of solar photovoltaic power by 2025 and net-zero carbon emissions
by 2050, the utilization of aquaculture lands, particularly aquaculture ponds, has emerged as a
promising option for solar power development. As the government promotes the symbiosis of
aquaculture and solar PV power to attain its renewable energy goals, various stakeholders have
engaged in discussions surrounding this approach. Consequently, it is crucial to assess the costs
and benefits of such integrated practices from both economic and environmental perspectives, as it
will play a pivotal role in shaping the future of the industry. A comparative analysis reveals that an
aquaculture–electricity symbiosis with a capacity of 227 MW can further reduce carbon emissions
by approximately 150,393.6 tons of CO2e per year, along with reductions of 56.8 tons/year of SOx,
82.3 tons/year of NOx, 3.7 tons/year of PM2.5, and 4.6 tons/year of PM10. These environmental
benefits are equivalent to approximately TWD 7626.43 million annually. (Note: CO2e refers to carbon
dioxide equivalent, SOx refers to sulfur oxides, NOx refers to nitrogen oxides, PM2.5 refers to fine
particulate matter, and PM10 refers to particulate matter with a diameter of 10 m or less).