电力市场中市场力的度量及管制

市场力是电力市场改革中日益令人关注的研究课题,发电商利用市场力抬高电价,牟取超额利润。这样既损害了用户的利益,也使资源不能合理配置,市场不能有效竞争。这有背于电力改革的初衷,为此必须对其进行度量及管制。总结了市场力度量的方法及其应用,另外介绍了国外常用的抑制市场力的方法。

Measurement and regulation of market power in power market

The market power is a research subject attracting increasing attention in power market reform. The genera- tion suppliers make use of market power to lift electricity price for extra profit, which not only hurts the benefits of the consumers, but also causes the resource unreasonably distributed and the the effective competition can not be created for the market. This is against the initial intention of the power reform thus the measurement and regulation of the market must be conducted. The methods of the market power measurement were summarized as well as their applications. The frequently-used methods for restraining the market power abroad were also introduced.