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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/22986

Title: Time-step analysis of the DECC 2050 calculator pathways
Authors: Barton, John P.
McKenna, Eoghan
Thomson, Murray
Keywords: Low carbon transition pathways
Renewable energy
Demand side management
Energy storage
Grid balancing
Energy security
Time step modelling
Model integration
Issue Date: 2017
Publisher: SAGE © IMechE
Citation: BARTON, J.P., MCKENNA, E. and THOMSON, M., 2017. Time-step analysis of the DECC 2050 calculator pathways. Institute of Mechanical Engineers, Part A: Journal of Power and Energy, 231(6), pp.551-579.
Abstract: An hour-by-hour time-step analysis is presented of United Kingdom (UK) electricity grid balancing in low-carbon energy pathways from the DECC 2050 Calculator. The detailed modelling uses the Future Energy Scenario Assessment (FESA) tool, which uses real weather data and real electricity demand data from year 2001 to model future supply and demand profiles, suitably adjusted to reflect technology uptakes. The paper describes the linking of the DECC 2050 Calculator with FESA and many of the detailed considerations within the modelling. The calculation of net demand (total demand less intermittent renewables and inflexible portions of other electricity generation) reveals the magnitude and duration of peaks and troughs throughout the year and this allows quantification of required peaking plant, energy storage, demand response or a combination of these. The results indicate that the grid balancing challenge is much greater than is apparent from the DECC 2050 Calculator, with significant excess power from renewables and less flexible generators needing to be exported or curtailed, and, at other times of the year, a significant amount of additional conventional generation being required. FESA also indicates significantly lower capacity factors for despatchable generators than indicated in the DECC 2050 Calculator. The results underline the value of energy storage and flexible demand, particularly in the high-renewables pathways, but also that much of that storage and flexibility needs to be available for days or even weeks rather than hours.
Description: This article was published in Institute of Mechanical Engineers, Part A: Journal of Power and Energy [© IMechE] and the definitive version is available at: http://dx.doi.org/10.1177/0957650917704993
Sponsor: This work was supported by the Engineering and Physical Sciences Research Council, UK, within projects: Realising Transition Pathways - Whole Systems Analysis for a UK More Electric Low Carbon Energy Future EP/K005316/1 and Integrated, Market-fit and Affordable Grid-scale Energy Storage (IMAGES) EP/K002228/1.
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/22986
Publisher Link: http://dx.doi.org/10.1177/0957650917704993
Appears in Collections:Published Articles (CREST)
Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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