Value of gas network infrastructure flexibility in supporting cost effective operation of power systems

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Title: Value of gas network infrastructure flexibility in supporting cost effective operation of power systems
Authors: Ameli, H
Item Type: Journal Article
Abstract: The electricity system balancing is becoming increasingly challenging due to the integration of Renewable Energy Sources (RES). At the same time, the dependency of electricity network on gas supply system is expected to increase, as a result of employing flexible gas generators to support the electricity system balancing. Therefore the capability of the gas supply system to deliver gas to generators under a range of supply and demand scenarios is of a great importance. As potential solutions to improve security of gas and electricity supply, this paper investigates benefits of employing flexible multi-directional compressor stations as well as adopting a fully integrated approach to operate gas and electricity networks. A set of case studies for a GB gas and electricity networks in 2030 have been defined to quantify the value of an integrated operation paradigm versus sequential operation of gas and electricity networks. The results indicate there are significant overall system benefits (up to 65% in extreme cases) to be gained from integrated optimization of gas and electricity systems, emphasizing the important role of gas network infrastructure flexibility in efficiently accommodating the expected expansion of intermittent RES in future power systems.
Issue Date: 7-Jun-2017
Date of Acceptance: 18-May-2017
ISSN: 1872-9118
Publisher: Elsevier
Start Page: 571
End Page: 580
Journal / Book Title: Applied Energy
Volume: 202
Copyright Statement: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC-BY license (
Sponsor/Funder: Engineering & Physical Science Research Council (E
Natural Environment Research Council (NERC)
Funder's Grant Number: EP/K039326/1
Keywords: 09 Engineering
14 Economics
Publication Status: Published
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering
Centre for Environmental Policy
Faculty of Natural Sciences

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