Various power bidding modes on generation-side are investigated

according to various circumstances.The operation condition and disturbance scene of the power system are more complicated and unpredictable under the condition of deregulated environment and power bidding.The system operation reliability is no more superior to economy and all rivals want to know the variety of their interests under different risk condition

so they can take relevant precautions to avoid or reduce economic losses.On the basis of bidding strategy and market risk

the factors affecting bidding strategy were analyzed and anticipant income-risk utility function was used to evaluate market strategy of dealing participants.