Ultra high voltage (UHV) power transmission construction project is a high-tech power grid construction project which faces many risks and uncertainty. Identifying the risk of UHV power transmission construction project can help mitigate the risk loss and promote the smooth construction. The risk evaluation on “Zhejiang-Fuzhou” UHV power transmission construction project was performed based on analytic hierarchy process (AHP) and fuzzy comprehensive evaluation (FCE) method in this paper. After the risk evaluation index system was built, the AHP was used to determine the weights of risk indicators, and the FCE method was to perform the risk evaluation. The evaluation result shows that (1) “Zhejiang-Fuzhou” UHV power transmission construction project has moderate risk, which indicates the occurrence probability of project risk is medium and the risk occurrence will cause general loss for project, (2) “society risk” has the highest level, and the next is “policy and law risk,” “technique risk,” “natural environmental risk,” and “Management risk,” respectively, and it should keep main eye on the social risk, policy and law risk, and technique risk. Finally, according to the risk evaluation result, the specific risk control recommendations were proposed for the smooth construction of this project. 1. Introduction The energy resource distribution and energy consumption pattern in China are inconsistent. The regions with abundant energy resources are usually far from the economy-developed regions with large energy consumption [1]. Facing the current situations, such as the coal-dominated energy structure, reverse distribution between energy production and consumption, and the rapid development of renewable energy industry, China needs to build the strong power grid to realize the optimal configuration of different energy resources in larger area, and then the electricity demands of the social economic development as well as people’s livelihood can be met. The current 500？kV power grid in China is limited for the long-distance and large-volume electricity power transmission, and it is difficult to efficiently transmit the electricity power generated by the western hydropower base and the north coal-power base to the central and eastern regions of China. Therefore, to advance the harmonious development of both the economy and society, building the ultra high voltage (UHV) power transmission system with the transmission capacity of long distance, high capacity and low loss is of great importance, which can promote the intensification development of large-scale
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