Imperial College London
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Professor Jim Skea CBE FRSE FEI HonFSE

Faculty of Natural Sciences, Centre for Environmental Policy

Emeritus Professor
 
 
 
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Contact

 

+44 (0)20 7594 6288j.skea Website

 
 
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Assistant

 

Ms Maria Eugenia Gabao Lisboa +44 (0)20 7594 8804

 
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Location

 

208Weeks BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Skea:2008:10.1049/iet-gtd:20070023,
author = {Skea, J and Anderson, D and Green, T and Gross, R and Heptonstall, P and Leach, M},
doi = {10.1049/iet-gtd:20070023},
journal = {Generation, Transmission & Distribution},
pages = {82--89},
title = {Intermittent renewable generation and maintaining power system reliability},
url = {http://dx.doi.org/10.1049/iet-gtd:20070023},
volume = {2},
year = {2008}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - There have been attempts, using various approaches, to assess the additional cost of running an electricity system when intermittent renewable generation is used to provide a significant proportion of the energy. The key issues are the difference, in statistical terms, between the resource availability of the intermittent source and conventional generation and the contribution the intermittent source can make to meet the system peak demand while maintaining system reliability. There is considerable agreement over the capacity credits that can be attributed to renewable energy sources, that is the amount of conventional capacity that renewables can reliablydisplace, yet the implications for costs have proved more controversial. Approaches to calculate changes in overall system cost are examined and an expression for the additional cost that intermittent generation imposes on a system that is attributable to its intermittent nature is identified. Further, it is shown that this expression can be reconciled with approaches that look at intermittent renewables on a stand-alone basis and factor in the additional costs of ‘standby’ capacity. It is shown that the main source of divergence between estimates of the cost of intermittency is the load factor implicitly assumed for the conventional plant used as a reference. There is only one consistent way to impute the costs of intermittency when the unit cost of intermittent plant is being compared with that of baseload generation plant.
AU  - Skea,J
AU  - Anderson,D
AU  - Green,T
AU  - Gross,R
AU  - Heptonstall,P
AU  - Leach,M
DO  - 10.1049/iet-gtd:20070023
EP  - 89
PY  - 2008///
SN  - 1751-8687
SP  - 82
TI  - Intermittent renewable generation and maintaining power system reliability
T2  - Generation, Transmission & Distribution
UR  - http://dx.doi.org/10.1049/iet-gtd:20070023
UR  - http://ieeexplore.ieee.org/iel5/4082359/4436098/04436108.pdf?
VL  - 2
ER  -
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