Under the market environment of low carbon, whether renewable energy can obtain the power for sustainable development, promote the goal of the whole society and make money for investors depends on the rational optimization of power investment capacity and achieving power generation resources coordinated scheduling. This study constructs an expansion model of the generation capacity investment taking oligopoly, policy tools, carbon emissions trading right and green certificate system into account and uses the case analysis of the impact of ETS mechanism and the Tradable Green Certificate mechanism on power generation enterprises investment capacity with Newton KKT interior-point method. This study can also provide a strong decision basis for policy making.

Transmission and distribution networkpsilas natural monopoly characteristic decides it must receive regulation. Based on the analysis of price-cap regulation model, combining with the situation and status of power network in China, this paper put forward a reformative price regulation model, which takes network expansion and service quality into account at the same time. To carry out the transition of regulation method from traditional mode to incentive regulation mode, we studied the setup of initial price in price regulation model. In the end, the problem of quality factor computation was discussed.