Uncertainties

especially the uncertainties of human behavior

introduce great challenges to energy transition analysis. This paper discusses the nature of uncertainty in terms of randomness and vagueness; analyzes the sources of uncer-tainty in terms of model and parameters

operation conditions

disturbances(failures)

viewpoints of stakeholders

and human behaviors; and classifies the uncertainty into different categories based on cognitive level. The-state-of-the-art of uncertainty analysis approaches for energy transition and their limitations are reviewed. Aiming to address the chal-lenges introduced by large amount of uncertainties with various characteristics

a comprehensive analysis framework that integrates multiple approaches is proposed to give consideration to both the rapidity and accuracy of the uncer-tainty analysis simultaneously.