Modelling and optimising the marginal expansion of an existing district heating network

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Title: Modelling and optimising the marginal expansion of an existing district heating network
Authors: Acha Izquierdo, S
Lambert, R
Shah, N
Markides, C
Delangle, A
Item Type: Journal Article
Abstract: Although district heating networks have a key role to play in tackling greenhouse gas emissions associated with urban energy systems, little work has been carried out on district heating networks expansion in the literature. The present article develops a methodology to find the best district heating network expansion strategy under a set of given constraints. Using a mixed-integer linear programming approach, the model developed optimises the future energy centre operation by selecting the best mix of technologies to achieve a given purpose (e.g. cost savings maximisation or greenhouse gas emissions minimisation). Spatial expansion features are also considered in the methodology. Applied to a case study, the model demonstrates that depending on the optimisation performed, some building connection strategies have to be prioritised. Outputs also prove that district heating schemes' financial viability may be affected by the connection scenario chosen, highlighting the necessity of planning strategies for district heating networks. The proposed approach is highly flexible as it can be adapted to other district heating network schemes and modified to integrate more aspects and constraints.
Issue Date: 22-Aug-2017
Date of Acceptance: 15-Aug-2017
ISSN: 0360-5442
Publisher: Elsevier
Start Page: 209
End Page: 223
Journal / Book Title: Energy
Volume: 140
Issue: Part 1
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
Funder's Grant Number: EP/K039326/1
Keywords: 0913 Mechanical Engineering
0915 Interdisciplinary Engineering
Publication Status: Published
Appears in Collections:Faculty of Engineering
Centre for Environmental Policy
Chemical Engineering
Faculty of Natural Sciences

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