Investment Decision Method for Power Grid Construction Projects Based on Holographic Risk Assessment and Combination Weighting

In order to improve the accuracy of investment and construction of power grid construction projects, this paper proposes an investment decision-making optimization method for multiple power grid construction projects. This paper firstly analyzes the characteristics and development requirements of China’s power grid projects deeply. A holographic risk assessment index system is established for construction projects based on the multi-dimensional, multi-perspective risk sources identification by using these projects’ time sequence. Secondly, the risk assessment model of construction projects investment decision is built up on the indexes classification according to the risk consequences. Then, the index is weighted to build a comprehensive risk model based on risk consequences. Meanwhile, a new weighting combination optimization method is proposed with the consideration of the investment willingness of enterprises, and designed to make an improvement of current weighting evaluation methods. Finally, the investment decision model of power grid construction projects considering comprehensive risks is established. The validity and applicability of the proposed evaluation method are verified by the case study.