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China has established several major issues the electricity market research and recommendations (in)

Direct intervention group asked the bilateral deals province. There are two main reasons: First,[link widoczny dla zalogowanych], to avoid the requirements of the provinces of bilateral trade and commercial transactions with the area requirements asked confused. Second, to prevent inter-provincial competition for regional brokers bilateral trading market. On the design of the regional stock market, foreign experts believe that China is unlikely to implement cost-based regional spot market. Reason is. Cost accounting, monitoring and auditing of power in the provinces. Regional spot market should roar in negotiations on the transaction price basis. Regulators on whether the price reflects the cost of the negotiations,[link widoczny dla zalogowanych], that is whether it reflects the sale of electricity costs and power purchase costs to monitor and provide information. This shad ¨ l hoe reform and exploration ridge 5 on the reduction of commercial power generation market, you can reduce the fat under the current settlement price of the regional electricity market must be designed to study the issue 『. J-YA Liu 'analogy Kam Fong and suggestions were transferred Dirty power plants with high economic 2o0o Zhu surgery door I ●,. , N a fI degrees, increase the market clearing agreement. Although this reduces the electricity generators. However, the settlement price increases, it still proceeds in an ideal competitive market, if a power to lower power output, there will be other generators in the case of the same basic price to add generating capacity, so difficult to produce monopoly Another method used is more than ten power suppliers and power generation units offer strategies seek to jointly market manipulation. 5.3 degree of monopoly power market ■ actual market prices based on ten competitive market prices and the ideal (ie, the system marginal cost) to measure the deviation degree of monopoly market, the greater the deviation, the higher the degree of monopoly. Index commonly used to measure Carolina Carolina Index = {P-MC) / P, P is the actual market price, MC is the marginal cost of the system marginal cost is difficult to determine because the system, so precise calculation difficult Carolina index, usually near calculation. Carolina index to approximate calculation,[link widoczny dla zalogowanych], we must measure the power generation market concentration. Concentration mainly by the number of generators on the market and the capacity of all power generation business group to reflect the proportion of total capacity. Can use a program called HHI index (English original HerfindahlhirshmamInlex) to measure the degree of market concentration. World Bank expert advice. HHI to guide the development of China's power generation by the restructuring program. Higher the degree of market concentration, the greater the likelihood of a monopoly power market HHI is defined as the market opportunities for each generation group of the square of the ratio of volume of total capacity and 54 measures to reduce monopoly power based on the experience of many countries . Main measures should be limited capacity of individual generators installed capacity accounted for the proportion of Yap has the highest power generation companies with limited proportion of the other measures is to ensure that a sufficient number of generators, power suppliers that seek to manipulate the market is not easy sets. If the number of power generators on the market less, for example, technical and economic 20c _ imperial power only three or four generation companies, it is best to adopt the cost of power generation based on traditional economic dispatch, instead of bidding schedule in order to reduce monopoly power, but also must take measures to reduce transmission congestion in the bidding capacity of power generation, as a result of transmission congestion may limit some of the low-cost power generators,[link widoczny dla zalogowanych], leaving the other power suppliers to raise its offer (higher than its marginal cost) is taken to reduce transmission congestion measures include: (1) A power transmission expansion to increase the transmission capacity. The Bank of East China Power Grid to increase transmission capacity of the potential benefits were demonstrated. The results confirmed that if the increased transmission capacity, can increase the power generation market competition, competition benefits the World Bank experts have also pointed out that competition in the electricity market environment, should not be based solely on the traditional power grid reliability standards and transmission projects to their own cost-effective decide whether to expand the electricity transmission networks, should also consider the effectiveness of competition in electricity markets. (2) transmission network to unified planning and construction, unified. According to international experience (UK and Scandinavian experience) and lessons (some of Argentina and the United States thirty lessons l), construction and operation of transmission should be implemented A three-unification. price (the price transmission grid nodes) lever to reduce transmission congestion, limiting monopoly market power. Scandinavia in this respect more successful experience. When the estimation of electrical power transmission congestion within a region when the region (node) to adjust the price to supply and demand forces balance, and make full use of transmission capacity. When the region (node) load demand is greater than supply capacity, transmission congestion from other parts of the (node) to increase the input power difficulties in the region (node) prices to reduce demand, incentives to generate electricity. Conversely when a power surplus region to cut prices in the area teams to increase demand and reduce power. (To be continued) (Select bats / Xiaolang) 1 = LIo1, 6 thousand and Lin Si / Au Yong Xi in the Generation Enterprises

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