| The Aim of power deregulation is to improve electrical investment and operational efficiency as well as to optimize the allocation of resources. Provincal limitation must be broken and more large regional market should be constructed due to the benefit of large scale in power industry. Systematic analysis on the theories and practical applications of regional electricity market were carried out in this dissertation. Based on the economical theories and electricity market theories, the Structrual Theory of regional electricity market was built with consideration of power indurstrial and commercial characteristics. The economical mechanisms of diverse structures were analyzed while as the first time models were compared qualitatively and quantitatively and choosing criterion of market structure was established. Moreover, the new struture called "uniform market with layered exchange platform" was brought out which would coordinate the provincial development among regions, guarantee the system security, optimize the reform investment as well as obey the principle of gradual and stable progress of industrial deregulation. The price theory of regional electricity market was introduced which analyzed the components and reasonable pattern of the regional electrical price as well as forming mechanism.The provincial-distinguished price clearing mechanism were introduced which are in advantage of restricting price vibration as well as coordinating provincial differences. Consequencely, pricing models both of contract and adjusting exchanges considering trans-provincial transmission fees and difference of price for capacity as well as coordinating development were put forward. Beyond the upper theoretical analysis, significant issues of region electricity market were discussed such as progress patterns, exchange organization, calculation models as well as risks hedging. Practical solutions adapting to Chinese economical and power system were presented. gradual and stable progress pattern of "step-forward" was proposed, the conception of "right of contract" were brought forward and new contract allocation models applying it were set up which consist with the principles of self-dispatching and separated decision as well as impartiality, provincial-diversed CFDs necessary for admittance which hedges commercial risk, regional layered program and models of secure rectification which hedges power system risks, and etc were also introduced. The integrated designing project of South-China regional electricity market is one of the important productions of this dissertation. The designing project appling theories and methods presented in this dissertation gained broad applauses from government, grid and generation companies as well as university experts indicates the significant applicational values for promoting the construction of South-China regional electricity market. The research of theories and application of region electrical market is an integrated and complex system project which is on the primary stage. The fundamental and exploring result of the dissertation may contribute to the construction of Chinese regional power market.
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