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In this paper, the green development evaluation system and method which is useful in power grid were studied and established, and the indicators that affect the green development process of the power grid were analyzed and classified. In order to reflect the comprehensive indicators of the assessment indicators and their impact on the whole society, the system also includes indirect indicators of power generation enterprises, government and social organizations as the main body of implementation, as the expansion of the power grid’s green development. In the calculation period, the TOPSIS method was introduced for evaluating the results and indicators of different companies in two provinces. This research will provide an important reference for energy companies to improve the internal assessment methods for environmental protection and green development.

In order to reduce the operating costs of enterprises and optimize the business environment, China implemented the policy of reducing the general industrial and commercial electricity price by 10% in 2018 and 2019. This study uses the social accounting matrix to evaluate the effect of policy implementation on the price level of Henan Province. Through price transmission, we analyze the impact of industrial and commercial electricity price changes on production price and consumer price fluctuation of other sectors. The results show that the adjustment of general industrial and commercial electricity price has limited effect on the overall economic price level of Henan Province. The impact of electricity price adjustment on urban consumer price index is higher than that of rural consumer price index.