Research on Evaluation of the Comprehensive Benefit of Power Grid Value-added Service Based on Grey Whitening Weight Function

The power grid enterprises are facing a new competitive situation under the new electricity reform, and the demand for value-added service is becoming more and more vigorous. How to evaluate the comprehensive benefit of the value-added service of the power grid enterprise through scientific calculation is crucial to the decision and improvement of the enterprise. The index system of benefit evaluation is constructed according to the business characteristics, and an evaluation model based on Grey whitening weight function is put forward. And take "e charging" as an example to carry out the empirical analysis which can provide reference for other business.