In the view of economics and management,based upon the new condition,challenges and requirements in the power grid company s operation and management,this paper presents some preliminary ideas and advices on issues such as investment,assets,planning,development,risk control,external environment and enterprise value for the power grid company.

Cost control evaluation in power Grid Company is significant for its economic benefit.

Different regulation modes, as a result of the pricing formation mechanism for the electricity transmission and distribution sector, are different from the requirements of grid company’s assets, especially the fixed assets managementBased on rate of return on investment regulation mode, the power grid company\'s regulated income closely ties with the number of company\'s assets.

The reasonable transmission price should include sufficient economic signals to promote the optimization of transmission resource and guarantee the survival and development of power grid corporations.

this paper proposes the way of thinking to bring forward modem financing idea,correct financing targets, excellent financing image;to expend financial management view and to set up financial management system based on analy- sis on new changing financial environment of power grid corporation.

With the further development of power industry and deepen reform on power system, under the background of establishment of power grid corporation and perfecting modern enterprises system as well as efficient corporation administration structure, as a part of corporation administration structure, internal auditing also developed.

Because in competitive electricity market power companies, grid companies and power supply companies belong to different economic entities, the first goal of all the participants is to maximize their profits.