Global warming has been one of the most serious worldwide problems for a long time. A very large proportion of the carbon emissions are generated by the electric power industry from fossil fuel combustion. Therefore, the promotion of low-carbon electricity is imperative to achieve sustainable development of power industry. Low-carbon electricity faces both opportunities and challenges. Low-carbon power system is bound to play a unique role with the development of low-carbon society all over the world. Development of low-carbon electricity is inseparable from the support of all kinds of new technologies. With the efforts of both academia and industry, new types of low-carbon electricity technologies emerge mush- rooming from the traditional thermal power sector to the renewable energy. The construction of pilot carbon trading, the demonstration of carbon capture power plant and other aspects of low-carbon technologies have achieved initial results. Even the low-carbon electricity technology has broad development potential; it is still in its infancy, which means more types of low-carbon electricity technologies have yet to be deepened. Low-carbon electricity has become a hot issue with the development of the global power industry. With the inclusion of 15 papers, this Special Issue focuses on strategies, mechanisms, techniques and methods of low-carbon development of power industry, showing the latest research progress of both domestic and international scholars on low-carbon electricity. This Special Issue has a wide variety of paper sources, covering universities, research institutions and power companies. Except for 9 domestic papers, there are 6 papers from overseas, including the United States, Japan, Australia, Denmark and India. The papers in this Special Issue can be divided into 4 subtitles as follows: 1) Planning of low-carbon power system; 2) Dispatch of low-carbon power systems; 3) Stability and control of low-carbon power systems; 4) Performance evaluation of a low-carbon power system.