Profit Model of Power Retailer Considering Microgrid Group Under Renewable Portfolio Standards and Energy Deviation Penalty Mechanism

doi:10.3969/j.issn.1000-7229.2019.01.012

Abstract

Abstract: Renewable portfolio standards （RPS） and energy deviation penalty mechanism are 2 major power reform policies introduced in recent years， which have caused the power retailer to face double assessment pressure. To quantitatively analyze the impact of RPS and energy deviation penalty on power retailer， 2 profit models are constructed with the aim of optimal profit， comprehensively considering renewable portfolio standards and energy deviation penalty. One is that the profit model of power retailer operates independently， and the other is that the profit model of power retailer and the microgrid group agent alliance cooperate， considering the advantages of green， environmental protection， flexibility and controllability of microgrid group.Using the actual transaction data of Guangdong province， the optimal profit under the 2 business models of the power retailer are compared and analyzed. The analysis results show that the cooperation of power retailer and the microgrid group agent can reduce the cost due to assessment following RPS and energy deviation penalty， and can increase the revenue. Adopting the Shapley value distribution method， power retailer and microgrid group agents can achieve the maximum profit， which is the optimal business strategy for power retailer recommended in this paper.

Key words: power retailer, energy deviation penalty, renewable portfolio standards（RPS）, profit model

CLC Number:

TM 73

WANG Tengfei， WANG Hui， LENG Yajun， ZHAO Wenhui. Profit Model of Power Retailer Considering Microgrid Group Under Renewable Portfolio Standards and Energy Deviation Penalty Mechanism[J]. Electric Power Construction, 2019, 40(1): 96-103.

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