Power system planning with emission constraints: Effects of CCS retrofitting |
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| Institution: | 1. Department of Energy Science and Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India;2. Chemical Engineering Department, De La Salle University, Manila 2401 Taft Avenue, 1004 Manila, Philippines;1. Wrocław University of Technology, Faculty of Mechanical Engineering, 5 Łukasiewicza Street, 50-370 Wrocław, Poland;2. Opole University of Technology, Faculty of Production Engineering and Logistic, 75 Ozimska Street, 45-370 Opole, Poland;1. Department of Science, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, 382007, India;2. Photovoltaics Research Laboratory, Department of Physics, Feroze Gandhi College, Raebareli, 229001, India;1. Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432-8561, Japan;2. Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan;3. Faculty of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan;4. Department of Chemical Engineering, Fukuoka University, 8-19-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan;1. Perutnina Ptuj d.d., Potrčeva cesta 10, 2250 Ptuj, Slovenia;2. Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ul. 17, SI-2000 Maribor, Slovenia |
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| Abstract: | Today, the world's energy needs are still supplied mainly from fossil fuel based resources. This is true for electricity generation as well, thus making the power sector responsible for 45% of greenhouse gas emissions. The present climate crisis has made it necessary to minimise emissions in power generation, with low-carbon energy sources taking on greater significance in recent years. However, most low-carbon sources have inherent problems, like intermittency and high capital expenditure. A suitable alternative is carbon capture and storage (CCS) technology which allows continued fossil fuel-based electricity generation at much lower rates of emission. Two approaches are possible in the deployment of CCS technology. The first is to introduce new power plants equipped for carbon dioxide (CO2) capture, while systematically shutting down existing coal power plants. Another is to retrofit existing power plants for CO2 capture. These approaches are compared in this work. The study shows that allowing CCS retrofitting of existing power plants can reduce the overall cost requirement significantly. In addition, a sensitivity analysis is also done to study the effect of nuclear energy on the overall energy mix. |
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| Keywords: | Emissions targeting Power system planning Carbon capture and storage (CCS) Optimisation Indian energy sector Cost minimization |
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