Based on the comparison and induction of existing market investment evaluation methods at home and abroad as well as in-depth analysis of the elements and characteristics of the overseas power market regulatory environment (OPMRE), this paper constructed the OPMRE evaluation index system of six elements, containing policy stability, business risk, return on investment, asset growth, incentive strength and bilateral relations, and then the OPMRE evaluation model based on fuzzy comprehensive evaluation method was proposed. Finally, the corresponding intelligent assistant evaluation system was developed. The model and system were employed to evaluate the regulatory environment of six selected countries, and the results reveal that the evaluation model and system have strong practicability, which can generate the evaluation report quickly and automatically, indicating them has good realistic significance and practical value for the grid enterprises' overseas investment decisions
