The representative structures of PJM electricity market, California electricity market and Zhejiang electricity market are studied.And their trading and clearing methods are analyzed.

• 为分析不同市场模式的运营机制，本文研究了PJM(Pennsylvania-New Jersey-Maryland)电力市场、加州电力市场和浙江电力市场三种具有代表性的电力市场的运营结构，并分析了其交易和结算方法。