(接上期)英国电力改革的单一购买、强制电力库,是电力市场化改革时的新事物,且已被不少国家所借鉴。电力库的运作保持了英国电力系统的供电质量和安全,但是从1990年到2000年的10年实践,确实也暴露了一些缺点和不足。(1)和加州一样,市场化竞争使发电商对于兴建新电厂望而却步,主要发电商的净发电能力明显下降,1989年的净发电能力除了最大需求,备用率为31.6%,到1999 (Continued) The single purchase of the UK electric power reform and the compulsory power bank are new things in the electricity market reform and have been borrowed by many countries. The operation of the powerhouse maintained the quality and safety of power supply in the UK power system. However, the 10-year practice from 1990 to 2000 did reveal some shortcomings and deficiencies. (1) Like in California, market competition has discouraged power generators from building new power plants. The net generating capacity of major power generators has dropped significantly. In 1989, the net generation capacity was 31.6% of the net generating capacity except for the largest demand. By 1999,