Design of Time-Varying Rate Considering CO2 Emission
- Authors
- Hahn, Taekyung; Tan, Zhungfu; Ko, Wonsuk
- Issue Date
- Mar-2013
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- CO2 emission; CPP; critical peak pricing; emission tax; load shifting; real-time pricing; RTP; SFE; supply function equilibrium; time-varying rate
- Citation
- IEEE TRANSACTIONS ON SMART GRID, v.4, no.1, pp.383 - 389
- Journal Title
- IEEE TRANSACTIONS ON SMART GRID
- Volume
- 4
- Number
- 1
- Start Page
- 383
- End Page
- 389
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/14741
- DOI
- 10.1109/TSG.2012.2234771
- ISSN
- 1949-3053
- Abstract
- Under fixed retail rates, electricity demands have no incentive to change their usage pattern. In contrast, under time-varying rates, suppliers can reflect the actual supply cost during the peak hours in retail prices enabling end-users to respond to the prices and reduce their loads or shift their loads from the high-price hours to the low-price hours. Load shifting may increase the reliability of the system, but may increase CO2 emission if coal-fired generators are the marginal generator used during the low-price hours. CO2 emission taxation is one of ISO's options to deal with the CO2 emission problem. In this paper, a new time-varying rate design method considering the CO2 emission taxation is suggested. In addition, market power problem and non-shifting elastic loads are considered. The suggested method is applied to a test market with critical peak pricing (CPP) and real-time pricing (RTP) and the results are analyzed. Also the suggested method is applied to the Korean power system and the results are analyzed.
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