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Review of Methods to Calculate Congestion Cost Allocation in Deregulated Electricity Market
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作者 Jiawei Zhao Jianfeng Lu Kwok Lun Lo 《World Journal of Engineering and Technology》 2016年第3期16-26,共11页
With maturing deregulated environment for electricity market, cost of transmission congestion becomes a major issue for power system operation. Uniform Marginal Price and Locational Marginal Price (LMP) are the two pr... With maturing deregulated environment for electricity market, cost of transmission congestion becomes a major issue for power system operation. Uniform Marginal Price and Locational Marginal Price (LMP) are the two practical pricing schemes on energy pricing and congestion cost allocation, which are based on different mechanisms. In this paper, these two pricing schemes are introduced in detail respectively. Also, the modified IEEE-14-bus system is used as a test system to calculate the allocated congestion cost by using these two pricing schemes. 展开更多
关键词 Deregulated Electricity Market Transmission congestion Management congestion cost allocation Uniform Marginal Price and Locational Marginal Price
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Transmission Use of System Charging for Differentiating Long-term Impacts from Various Generation Technologies 被引量:3
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作者 Jiangtao Li Chenghong Gu +1 位作者 Rohit Bhakar Furong Li 《CSEE Journal of Power and Energy Systems》 SCIE 2016年第2期11-19,共9页
This paper proposes a novel transmission use of system(TUoS)charging method,which is able to 1)acknowledge the trade-offs between short-run congestion cost and long-run investment cost when justifying economic network... This paper proposes a novel transmission use of system(TUoS)charging method,which is able to 1)acknowledge the trade-offs between short-run congestion cost and long-run investment cost when justifying economic network investment,2)identify the impacts of different generation technologies on congestion cost and network investment,and 3)translate these impacts into economically efficient TUoS tariffs that differentiate generation technologies.An incremental capacity change from a generator will impact the congestion costs at each branch,which is then translated into the impacts on investment time horizons.The difference in the present values with and without the incremental change for a branch is its long-run incremental cost(LRIC).The final TUoS tariff for this generator is the sum of all LRIC triggered by its capacity increment.The proposed method is demonstrated on a modified IEEE 14-bus system to show its effectiveness over the traditional approach.Results show that it can provide cost-reflective TUoS tariffs for different generation technologies at the same sites by examining their respective impacts on congestion and investment.It thus can incentivize appropriate generation expansion to reduce congestion costs and ultimately network investment cost. 展开更多
关键词 congestion cost allocation congestion management long-run incremental cost transmission investments transmission use of system charging
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