Against the background of rapid and healthy development of national economy， ensuring sufficient generation capacity is of particular importance for the East China power network with fast increasing load demand. So far shortage and excess calculated in years still alternate cyclically. The problem of encouraging generation investment and fulfilling short-term and long-term resource adequacy has secured worldwide attention. Different markets have devised diametrically different solutions. The capacity adequacy solutions across the world are investigated and summarized into four categories. Based on an analysis of and comparison between the four categories， the roadmap for the development of the East China capacity market is proposed. Important suggestions are also given for the next round deregulation of the East China power industry.