Power grid planning under electricity market

The establishment of a competitive electricity market in China sets great challenges to power grid planning. On the one hand, it is confronted with many uncertainties including load development, power source construction, power flow variation, etc; on the other hand, it has to satisfy consumers' demand for an economic, safe, flexible and open power grid. In this paper, it is expounded that power grid planners should lay emphasis on important issues including load forecasting and generation planning, analyze various schemes for network frame, diversify investors for power grid and strengthen readjustment to the planning.