The long-term effect of incentives on the development of DGPV considering the interaction among DGPVs' investors and distribution system

The paper proposes a simulation method to study the long-term effect of incentives on the development of DGPV by considering the interaction among investors and the distribution network. An investment model of DGPV is proposed to study the investment capacity affected by state subsidy, subsidy from distribution network depending on the benefit from integration, and the population and the income level of the city. The simulation is performed based on the weather condition and population of Beijing area scaled according to the IEEE-13 test system. Simulation results show that under the current benefit structure, in order to reach the same effect of the state subsidy on the development of DGPV in 10 years, the subsidy from distribution system can only replace 52% of the state subsidy, and it can only be effective after the integration capacity of DGPV reaches a certain scale.

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