Through this study, we understand the process of the government's implementation of low-carbon emission policies. Whether government policies such as providing subsidy income for investing in low-carbon equipment or requiring mandatory disclosure of sustainability reports can effectively help listed companies invest in green energy, and then Achieve the goal of reducing energy and carbon emissions. This study utilized publicly listed companies as samples from 2017 to 2022. Reference data on green energy investments, government subsidies for low-carbon projects, and disclosures in sustainability reports were obtained from the Ministry of Economic Affairs' Industrial Development Bureau's energy conservation and carbon reduction information website and the Taiwan Stock Exchange (TWSE) public information platform. The research aimed to investigate whether green energy investments are influenced by government subsidies and mandatory disclosure of sustainability reports. The study employed descriptive statistics, correlation coefficients, and regression analysis methods. The empirical findings indicate that both government subsidies and mandatory disclosure of sustainability reports have a positively significant impact on green energy investments.