This paper builds reverse feedback model of demand elasticity and calculates IEEE30 nodal system and researches into the affect of demand elasticity on generation system reliability that also can be called power sufficiency.

• 构筑考虑需求弹性的电价负反馈模型,通过对IEEE30节点系统进行计算,研究了需求弹性对发电系统可靠性的影响,也即对电源充裕度的影响。