一、美国、加拿大电网的自然情况 美国从行政管理上划分为51个州,除一个州不在北美洲大陆外,其余50个州和加拿大、墨西哥相接壤。截止2002年底,全美装机容量约8.7亿千瓦,年发电量3.8万亿千瓦时,国内消费量3.8804万亿千瓦时,2002年进口电力355亿 First, the natural conditions of the United States, Canada, the United States from the administration of the United States is divided into 51 states, with one state not in the North American continent, the remaining 50 states and Canada, Mexico bordering. By the end of 2002, the installed capacity of the entire nation was 870 million kilowatts, with an annual generating capacity of 3.8 trillion kilowatt hours, domestic consumption of 3.8804 trillion kilowatt hours, and import of electricity in 2002 of 35.5 billion kilowatt hours