Sustainability evaluation of public–private partnership microgrid considering uncertainty and risk preference

Abstract

Abstract Making sustainability evaluation of public–private partnership (PPP) microgrid can not only produce a great impact on distributed generation but also be related to the planning and operation of distribution network. In consideration of the identification of key influence factors (KIFs) about the sustainability of PPP microgrid, information loss, and risk attitude of decision-makers (DMs), an integrated decision framework is proposed to evaluate PPP microgrid from the perspective of sustainability. Firstly, a three-stage method based on interval valued triangular fuzzy (IVTF)-Delph is developed to identify and select KIFs, and a sustainable evaluation criteria system is established from the economic aspect, social aspect, environmental aspect, technical aspect, and managerial aspect, respectively. Secondly, DMs’ weights are determined based on the IVTF-TOPSIS method, and combined weights of criteria are determined based on IVTF-AHP and IVTF-entropy. Thirdly, an S-shaped utility function under IVTF environment is utilized to get the ranking of PPP microgrids. Moreover, a case study demonstrates that the proposed sustainability evaluation framework is very suitable for PPP microgrid. Finally, sensitivity analysis shows that the utility values are influenced by risk preference and criterion weight fluctuation.