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Open AccessArticle

Wind Energy Integration through District Heating. A Wind Resource Based Approach

by George Xydis 1,2
1
Centre for Research and Technology Hellas, Institute for Research and Technology of Thessaly, Technology Park of Thessaly, 1st Industrial Area, 38500 Volos, Greece
2
Soft Energy Applications & Environmental Protection Lab, Piraeus University of Applied Sciences, P.O. Box, 41046, Athens 12201, Greece 
Academic Editor: Simon J. Watson
Resources 2015, 4(1), 110-127; https://doi.org/10.3390/resources4010110
Received: 11 November 2014 / Revised: 11 February 2015 / Accepted: 25 February 2015 / Published: 5 March 2015
(This article belongs to the Special Issue Spatial and Temporal Variation of the Wind Resource)
The aim of this paper is to examine if the surplus of wind energy could be added to electricity-to-heat conversion systems when there is increased congestion in the grid or when there is wind power curtailment. In this way, the produced power can be utilized for contributing to the local district heating (DH) system needs. After examining scenarios, optimized energy distribution is recommended. A case study near Kozani, Greece with an onshore wind farm (WF) to be installed was thoroughly investigated exploring the options for increased wind energy integration analyzing thermal utilization possibilities based on the local DH needs. A wind resource assessment for the area was done, which optimizes the WF planning and links the DH system with the operation of the WF. The utilization rate between the electric and the DH grid was examined in order to describe the optimal way of the energy to be distributed reassuring profitability for the power producer and robust energy management for the system. It was found that the curtailed wind energy can be locally utilized in a DH system, by covering part of the demand that the diesel-based peak load boiler system does currently. View Full-Text
Keywords: district heating system; wind farm; curtailment; wind resource analysis; exergy; environmental sustainability district heating system; wind farm; curtailment; wind resource analysis; exergy; environmental sustainability
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Xydis, G. Wind Energy Integration through District Heating. A Wind Resource Based Approach. Resources 2015, 4, 110-127.

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