Heat coupling of the pan-European vs. regional electrical grid with excess renewable energy

Ashfaq, A. ORCID: 0000-0001-5152-5550, Kamali, Z.H., Agha, M.H. and Arshid, H., 2017. Heat coupling of the pan-European vs. regional electrical grid with excess renewable energy. Energy, 122, pp. 363-377. ISSN 0360-5442

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Abstract

The feasibility of heating sector integration into future highly renewable electrical grid is examined for a regional and pan-European network. A novel geographical weather dependent model for calculating the heat demand using a temporal resolution of an hour with a spatial resolution of 40x40km2 and an optimized solution for the utilization of excess renewable generation with least energy needs is presented. Heating sector is modeled and coupled separately with two different heat coupling models, heat-pump coupling and electric-resistance coupling, both having heat-storage and gas-boiler. Results show coupling with the regional
network requires least heat-storage capacity and coupling with an individual country network requires the least gas-boiler capacity. However, coupling with the pan-European network results in least balancing energy needs. It is found that heat-pump coupling provides more benefit than the electric-resistance coupling, with 4 times more heat-storage energy and 38% less requirement for the gas-boiler energy. Optimum energy mix between the heat-storage energy and gas-boiler energy suggests that the present amount of excess generation is not enough to fully support the heating sector, but if the renewable energy generation is increased by 50% then heat-storage will play an important role.

Item Type: Journal article
Publication Title: Energy
Creators: Ashfaq, A., Kamali, Z.H., Agha, M.H. and Arshid, H.
Publisher: Elsevier
Date: March 2017
Volume: 122
ISSN: 0360-5442
Identifiers:
NumberType
10.1016/j.energy.2017.01.084DOI
S0360544217300841Publisher Item Identifier
Divisions: Schools > School of Architecture, Design and the Built Environment
Depositing User: Linda Sullivan
Date Added: 29 Mar 2017 13:04
Last Modified: 09 Jun 2017 14:13
URI: http://irep.ntu.ac.uk/id/eprint/30464

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