市场经济体制中的供求、价格、竞争三个要素之间相互联系、依存和制约,而其中的供求关系则是市场运行中的核心问题。在商品交易市场中,供大于求时价格下跌,供方竞争激烈是客观规律。在水电建设市场上,项目为求方,经营水电的各方主体为供方,同样也存在上述规律。从长远来说,依水电之优势和我国 The three elements of supply and demand, price and competition in the market economy system are interrelated, dependent and constrained. The supply-demand relationship among them is the core issue in the market operation. In the commodity trading market, when the supply exceeds the demand, the price falls and the supplier’s competition is fierce is an objective law. In the construction of hydropower market, the project for the party, the main parties for the operation of hydropower as the supplier, the same also exist in the above rules. In the long run, according to the advantages of hydropower and our country