In order to determine the generation rights share in the electricity market,an allocation strategy of the single-period generation rights trade was discussed. Taking the conditional value at risk (CVaR) as a risk measurement index and the allocated generation rights a riskless asset, a combined bidding model, was built with CVaR constrained condition, to maximize the expected revenue rate. Simulation results showed that with the introduction of generation rights trade power producers can gain more profit and evade risks in other markets. Power producers can use the proposed algorithm as a reference for trading generation rights.