The smart grid is the good vision of the future power system.Power supply enterprises will face huge challenges
which involves the generation
transmission
substation
distribution and energy storage
as well as some field related to digitization
informationization and automation control technology
and may even affect the power system reform.The relevant strategies are described with regard to the new technology application of smart grid.The construction of a smart grid should take the existing technologies and the actual situation of supporting socio-economic development into account
and it should be built from the local to the whole step by step.It is meaningful to guide the construction of a smart grid at the present day.