With the deeply development of the electricity system reform, the traditional operation and management mode of power grid enterprises suffers from shocks and challenges of the market economy, all kinds of risks attendant. Among the many risks, financial risk is the most important risk. As a centrum of business management and funds movement, financial management link once violated, often causes a comprehensive enterprise financial crisis, and threatens the survival and development of enterprises.And therefore financial risk awareness, prevention and control research is the key point to enhance corporate value and promote the healthy development of the enterprises which has become a important problem power grid enterprises are facing.This thesis describes the meaning and the causes of financial risk; to discern financial risk on the basis of the sources and types of financial risk of power grid enterprises; to establish an index system of power grid enterprises financial risk, to build a financial evaluation model by using improved efficiency coefficient method, and with the actual data of A company as an example, financial risk of this power grid enterprise is evaluated; finally to put forward strategies and suggestions about the construction of power grid enterprises'financial risk prevention system so as to do some scientific managements of financial risk. |