Offshore Electricity Infrastructure in Europe - European Wind Energy ...

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title Annex c – detAilS on MethodoloGy And ModelS Photo: Stiftung Offshore Windenergie - Detlev Gehring
Annex c – details on Methodology and Models The OffshoreGrid results are based on detailed generation modelling, market and grid power flow modelling and infrastructure cost modelling. Each of the aforementioned modelling tasks is already a great challenge on its own and there is no integrated end model that could solve the envisaged optimisation goal to determine an optimal offshore grid. The consortium therefore set up a stepwise methodology in which different models are combined in an iterative approach, as shown in Figure 12.1. All in all four major models were developed and applied: 1. Wind power time series model Because of the predominant impact of wind power infeed on the optimal grid design, special efforts have been made to generate appropriate wind power time series. A specialised wind power model (meso-scale numerical weather prediction model) has been used for this purpose. The resulting wind power time series are used as input to the power market and flow model described below. FiGuRe 12.1: scheme OF mOdels Infrastructure cost model Data collection and scenario development Power market and power flow model • Cost benefit results for different offshore grid building blocks • Fundamental design guidelines • Cost efficient overall grid design 2. Power market and power flow model Power plants generate when they can sell their electricity to the market if there is enough grid capacity to transport it. The power market and power flow model simulates the operation of the power system based on a detailed set of European generation data (capacity, costs etc.) and a detailed European grid model. Both conventional power plants and RES generation is modelled. 3. Infrastructure cost model To build offshore grid infrastructure requires large investments. The extent of these investments is a key figure to be considered when determining the overall costs and benefits of the considered design. The infrastructure model takes into account costs of different offshore cable and equipment technology, the cable length, sea depth, bathymetric data etc. wind series power model case-independant model 118 OffshoreGrid – Final Report
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OffshoreGrid: Offshore Electricity
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PRINcIPAl AUThORS: Jan De Decker, P
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Table of contents FOREWORd 6 EXEcUT
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FOREWORD The OffshoreGrid project i
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Executive Summary I. The OffshoreGr
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Executive Summary and TYNDP interco
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Executive Summary One of the keys t
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Executive Summary Splitting wind fa
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Executive Summary 16 OffshoreGrid -
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introduction 1.1 Context and backgr
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introduction TAblE 1.1: STAkEhOldER
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Key Assumptions and Scenarios In th
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Key Assumptions and Scenarios FIGUR
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Key Assumptions and Scenarios Curre
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Methodology - Simulation inputs and
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Methodology - Simulation inputs and
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esults This chapter explains and su
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esults (figure to the right) in Nor
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esults 4.2.1 Hubs and individual co
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esults The Baltic Sea is still a ra
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esults connections to shore where t
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esults 4.2.4 Conclusion and discuss
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esults and NordSee Ost Group into t
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esults 1986 (the Cross Channel link
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esults UK-Germany connection are re
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esults tee-in solution becomes pref
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esults • Large wind farms (capaci
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esults • Very large wind farm hub
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esults • A three-leg interconnect
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esults 4.5 Overall grid design 4.5.
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esults connectors that were benefic
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esults connections were tested in m
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esults existing HVDC converters at
Page 67 and 68: esults direct and integrated) ident
Page 69 and 70: esults configuration were rated dif
Page 71 and 72: esults FIGURE 4.31: cOMPARISON OF c
Page 73 and 74: esults farm connections, the reduct
Page 75 and 76: esults Overall design comparison Fi
Page 77 and 78: esults • Costs and benefits of th
Page 79 and 80: esults • There are other connecti
Page 81 and 82: esults These merits also hold for t
Page 83 and 84: Towards an Offshore Grid - Further
Page 91 and 92: conclusions and recommendations The
Page 93 and 94: conclusions and recommendations •
Page 95 and 96: conclusions and recommendations •
Page 97 and 98: conclusions and recommendations 6.5
Page 99 and 100: conclusions and recommendations 98
Page 101 and 102: Acknowledgements and Funding The Of
Page 103 and 104: eferences [1] Weather Research and
Page 105 and 106: eferences [47] Observatoire Médite
Page 107 and 108: Annex A - Scenario details A.I Offs
Page 109 and 110: Annex A - Scenario details A.II Pri
Page 111 and 112: Annex A - Scenario details 2008 sce
Page 113 and 114: Annex A - Scenario details Due to t
Page 115 and 116: Annex B -technology Assumptions B.I
Page 117: Annex B -technology Assumptions tab
Page 121 and 122: Annex c - details on the Methodolog
Page 129 and 130: Annex d - details of results D.I Wi
Page 131 and 132: Annex d - details of results FiGuRe
Page 135 and 136: Annex d - details of results infras
Page 139 and 140: Annex d - details of results table
Page 141 and 142: Annex d - details of results table
Page 143 and 144: Annexes coal and gas, there is a de
Page 145 and 146: Annex e - regulatory Frameworks and
Page 147 and 148: Annex F - transfer to the Mediterra
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