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With a significant crisis of energy and environment, low-carbon and clean power resources have gotten strong support from the government. As wind power, solar power and other new energies develop rapidly, the social and economic benefits become increasingly apparent. A new power purchase optimization model is applied in this paper that takes external cost of power generation into account, translates the external cost into economic cost and then analyzes the optimal power purchase policy. In the end, based on the power purchase data of a provincial grid in 2013, this paper studies the optimal power purchase order to prove the feasibility of the optimization model. |
