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Modern View
COST ALLOCATION
(2)
answer(s).
Srl
Item
1
ID:
092751
Comprehensive approach for computation and implementation of ef
/ Olmos, Luis; Perez-Arriaga, Ignacio J
Olmos, Luis
Journal Article
0 Rating(s) & 0 Review(s)
Publication
2009.
Summary/Abstract
This paper presents a comprehensive design of electricity transmission charges that are meant to recover regulated network costs. In addition, these charges must be able to meet a set of inter-related objectives. Most importantly, they should encourage potential network users to internalize transmission costs in their location decisions, while interfering as least as possible with the short-term behaviour of the agents in the power system, since this should be left to regulatory instruments in the operation time range. The paper also addresses all those implementation issues that are essential for the sound design of a system of transmission network charges: stability and predictability of the charges; fair and efficient split between generation and demand charges; temporary measures to account for the low loading of most new lines; number and definition of the scenarios to be employed for the calculation and format of the final charges to be adopted: capacity, energy or per customer charges. The application of the proposed method is illustrated with a realistic numerical example that is based on a single scenario of the 2006 winter peak in the Spanish power system.
Key Words
Networks
;
Transmission Pricing
;
Cost Allocation
;
Locational Signals
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2
ID:
124250
Novel evaluation of heat-electricity cost allocation in cogenerations based on entropy change method
/ Ye, Xuemin; Li, Chunxi
Ye, Xuemin
Journal Article
0 Rating(s) & 0 Review(s)
Publication
2013.
Summary/Abstract
As one of the most significant measures to improve energy utilization efficiency and save energy, cogeneration or combined heat and power (CHP) has been widely applied and promoted with positive motivations in many countries. A rational cost allocation model should indicate the performance of cogenerations and balance the benefits between electricity generation and heat production. Based on the second law of thermodynamics, the present paper proposes an entropy change method for cost allocation by choosing exhaust steam entropy as a datum point, and the new model works in conjunction with entropy change and irreversibility during energy conversion processes. The allocation ratios of heat cost with the present and existing methods are compared for different types of cogenerations. Results show that the allocation ratios with the entropy change method are more rational and the cost allocation model can make up some limitations involved in other approaches. The future energy policies and innovational directions for cogenerations and heat consumers should be developed.
Key Words
Cost Allocation
;
Cogeneration
;
Entropy Change
;
Electricity Generation Method
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