| The global climate change caused by human activities has been an indisputable fact, which is also causing unprecedented worldwide attention and concern. The core of reacting climate change is to reduce greenhouse gas emissions, especially the CO2of energy consumption. With the rapid development of urbanization, industrialization, market-oriented, the situation of energy consumption deviated from the China Energy Consumption Energy Strategy2020target in "the tenth five period", meanwhile the economic surge growth is relyed on high input resources, high pollution and low efficiency and high CO2emissions. China has become one of the largest contries of greenhouse gas emissions in the world in2008, and meets unprecedented challenges. With the continued growth of coal-fired power generation, China's carbon emissions may be much greater than the emission space fight in the international after2030, therefore reducing carbon emissions of China's power industry can not only reduce dependence on fossil fuels, but also help relieve climate change and energy security. With the implementation of "Kyoto Protocol", international carbon emissions trading market aimed at achieving reduction through global cooperation has developed rapidly, and is increasingly becoming the most important mechanism to promote development of low carbon economic. According to the practical experience of EU, carbon emissions trading played a significant role on achieving emission reduction targets successfully. In this paper, the construction of carbon emissions trading system and sustainable development of China's power industry has been systematically discussed. Moreover, the theoretical system of carbon emissions trading in power industry is analyzed in depth, which can provide decision support for low-carbon development of power industry.Here in this paper, the source of carbon emissions trading and its two forms:CDM and quota trading mechanism are firstly described, also the current application of two trading mechanisms are summarized. Trading principles of CDM and quota trading mechanism are compared. And effects of investment incentives of two kinds of trading mechanism are presented in oligopoly market and competitive market.The allocation mechanism of cabon emissions rights is discussed, which includes the allocation program and the allocation method, whose suitable scope are presented ultimately. On the other hand, the auction allocation method is introduced in carbon emissions trading market, through which two simulation examples of strict bidding and strategy bidding under different emission rates are proposed. Corporate profits in different strategies are analyzed, which can provide reference for the allocation design of cabon emissions trading.Three carbon emissions trading scheme are established, which are resource-based amendment scheme, load-based amendment scheme and first seller-based scheme. According to various trading sheme, maximize profits models are established within or outside the region between two types of service providers and generators. Finally, the characteristics of three carbon emissions trading scheme are revealed theoretically.Economy of carbon emissions in power industry is analyzed; what's more, several economic indicators are established for the relationship of power demand and cost-effectiveness of system. The example of three bus network composed of coal units, combined cycle gas-fired units (CCg), the cycle turbines gas units (CTg) and load is proposed. In that network, cost-benefit analysis of system carbon emissions is analyzed in both cases of the availability of transmission constraints.Finally, the major problems of China's carbon emissions trading market (CDM market and quota trading market) are summarized. Then, envisage of constructing carbon emissions trading system is presented, which involves the allocation scheme, pricing scheme and trading platform. Finally, some policy recommendations for improving China's carbon emissions trading market are proposed.
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