During the COVID-19 pandemic in 2020,The Development Roadmap of Direct Current Buildings( 2020-2030) was prepared and composed by fifteen experts-leading by Academician Jiang Yi of Tsinghua University,they are Hao Bin,Li Yutong,M a Zhao,Tong Yibin,Kang Jing,Li Yemao,Pan Wenyu,Lu Yuanyuan,Zhao Yuming,Shen Yuxiang,Zhang Ning,Zhao Jinbin,Zhao Zhigang,Chen Wenbo from Secretariat of Alliance of Direct Current Building,Shenzhen Institute of Building Research Co.,Ltd.( IBR),Tsinghua University,State Grid Energy Research Institute Co.,Ltd.,Shenzhen Power Supply Bureau of China Southern Pow er Grid,Beijing Jiaotong University,Shanghai University of Electric Pow er,East China Architectural Design and Research Institute Co.,Ltd.,Zhuhai Gree Group Co.,Ltd.,Nanjing Golden Cooperate,respectively,supported by the Energy Foundation,Electrical Branch of Architectural Society of China,IEEE Power & Energy Society. Based on the perspective of innovative development,the participating team relies on the cross-integration and coordinated development of the construction industry and the power industry,and hopes to contribute progress of achieving carbon peaks and carbon neutrality. The bilingual ROADM AP will be serialized in Journal of Building Energy Efficiency.Homage to the explorers!