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@article{Mac:2016:10.1016/j.ijggc.2016.01.043,
author = {Mac, Dowell N and Staffell, I},
doi = {10.1016/j.ijggc.2016.01.043},
journal = {International Journal of Greenhouse Gas Control},
pages = {327--344},
title = {The role of flexible CCS in the UK's future energy system},
url = {http://dx.doi.org/10.1016/j.ijggc.2016.01.043},
volume = {48},
year = {2016}
}
TY - JOUR
AB - That CCS will be required to operate in a flexible and load following fashion in the diverse energy landscape of the 21st century is well recognised. However, what is less well understood is how these plants will be dispatched at the unit generator scale, and what effect this will have on the performance and behaviour of the plant at the individual unit operation level. To address this gap, we couple an investment and unit commitment energy system model with a detailed plant-level model of a super-critical coal-fired power station integrated with an amine-based post-combustion CO2 capture process. We provide insight into the likely role of coal and gas CCS plants in the UK's energy system in the 2030s, 2040s and 2050s. We then evaluate the impact that this has on the performance of an individual coal CCS plant operating in this system, and chart its evolution throughout this period. Owing to the increased frequency and duration of part-load operation, asset utilisation and average efficiency suffer, leading to a substantially increased LCOE, implying that CCS costs will need to decrease more rapidly than is currently expected. Further, as a direct consequence of the dynamic operation, the interaction of the CCS plants with the downstream CO2 transport network is characterised by highly transient behaviour, including periods during which no CO2 is injected to the transport network, implying that the transport system must therefore be designed to incorporate this variability of supply.
AU - Mac,Dowell N
AU - Staffell,I
DO - 10.1016/j.ijggc.2016.01.043
EP - 344
PY - 2016///
SN - 1750-5836
SP - 327
TI - The role of flexible CCS in the UK's future energy system
T2 - International Journal of Greenhouse Gas Control
UR - http://dx.doi.org/10.1016/j.ijggc.2016.01.043
VL - 48
ER -
Climate Science
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