This paper gives statistics on current status of electricity restructuring in U.S., comparison of its goal with current reality, Electricity Enforcement Guidelines in Texas and Joint Operating Agreement(JOA) of MISO and PJM. 介绍美国电力市场发展的最新情况,对其改革初衷与现实做了比较,还介绍了得克萨斯州的电力可靠性强制导则及中西部电力系统运营者(MISO)和PJM的联合运营协议。