The stochastic fluctuations of wind influence economic operation of power system. We need to consider the differences of different load response to electricity prices in order to tap demand response resource fully, and blend it in the traditional scheduling. Firstly, based on price-elasticity matrix, this paper establishes the behaviour of the load response to price. Secondly, it analyses electricity price response characteristics of different loads, and classifies the load. Based on TOU price, it establishes coordinated control model of multi-type load. This model regards the cost of consumed energy as the objective, and takes satisfaction of the electricity load behaviour into consideration. The model can be converted into a double optimization problem, and the hybrid algorithms about differential evolution and particle swarm optimization are used to solve this problem. Lastly, its good performance is tested using a ten-unit system after simulation, the result shows that the model can tap demand response resource fully, reduce the cost of power generation and be good for operation of system in an economic and safe mode.