Abstract: Demand response to meet the power balance between supply and demand in the new generation

resources without investing. The achievement of China's carbon neutrality goal by 2060 will surely bring about

profound changes in the structure of energy supply and demand. The effective development of demand-side resources is conducive to the realization of the carbon neutrality goal. In the context of domestic demand response pilot work and the effective advancement of power market reforms，first，the development status and organizational form of demand response participation in the US electricity market were introduced；secondly，the development process of demand response in some US power markets was studied，and the implementation effects and implementation experience of demand response in different markets were summarized. Took PJM as an example，the economic benefits of demand response projects were analyzed. Finally combined the current status of domestic power market reforms and demand response pilots，and the further development of demand response work suggest was proposed.

      Key words: demand response（DR）；electricity market；Pennsylvania-New Jersey-Maryland（PJM）；

Independent System Operator-New England（ISO-NE）；Electric Reliability Council of Texas（ERCOT）；capacity

market；ancillary services