Post evaluation is an important tache of project, and it works indispensably in the management. It has an important meaning to support benefit of investment. Along with the reform of economy system especially of the electricity system, market economy has more and more restriction to investment. So Electricity Company will take more care of the economy of items. While the grid item is different from the power plants, so constituting a system of post evaluation about grid item is very important and imperative problem.In this paper, the writer studied the process evaluation, economic evaluation, and social evaluation. Especially the writer gave the model of evaluation. |