The North Seas Countries' Offshore Grid Initiative - Initial ... - Benelux

Table of contents
Executive Summary ....................................................................................................... 1-1
1 Background and Context (Programme of work) .......................................................... 1
1.1 Introduction ........................................................................................................ 1
1.1.1 NSCOGI Working Structure and Tasks .......................................................... 1
1.1.2 Statement of Aims and Objectives of the NSCOGI Working Groups ............... 3
1.1.3 Aims and objectives of this report ............................................................... 4
1.1.4 The development of plausible grid configuration designs by 2030 .............. 6
1.1.5 Stepwise development of an offshore grid ................................................... 7
1.1.6 Grid designs – key principles ..................................................................... 10
1.1.7 Scenario based planning and TYNDP perspective ....................................... 11
2 Methodology Overview ............................................................................................ 13
2.1 Overview ........................................................................................................... 13
2.2 Scenario Assumptions ....................................................................................... 14
2.3 Market Modelling I ............................................................................................ 15
2.4 Grid Design ....................................................................................................... 15
2.5 Grid Simulations ................................................................................................ 16
2.6 Market Modelling II ........................................................................................... 16
3 Development of the 2030 Hypothesis ...................................................................... 17
3.1 Starting point – the development of scenarios ................................................... 17
3.2 The Reference Scenario in the context of future work ........................................ 20
3.3 Scenario Adequacy and Security of Electricity Supply ......................................... 21
3.4 Assumptions ..................................................................................................... 23
3.4.1 Fuel and CO 2 Prices – Merit Order .............................................................. 25
3.5 Sensitivities ....................................................................................................... 26
4 Market Based Potential for Further Interconnection .................................................. 28
4.1 System Evolution between 2020 and 2030 ........................................................ 28
4.2 Import and Export Positions .............................................................................. 29
4.3 CO 2 emissions ................................................................................................... 31
4.4 Production Costs ............................................................................................... 32
5 Grid designs ............................................................................................................ 33
5.1 Grid Configuration Options for Reference Scenario ............................................ 33
5.1.1 Statistics for Grid Design Options .............................................................. 37
5.1.2 Investment Costs for Grid Design Options ................................................. 39
5.1.3 VOM Costs for Grid Design Options .......................................................... 44
5.1.4 Production Cost Savings Resulting from Grid Expansions .......................... 44
5.1.4.1 Annual Production Cost Savings ............................................................. 45
5.1.4.2 Marginal cost changes ........................................................................... 46
5.1.4.3 Fuel Mix in Energy ................................................................................. 46
5.1.4.4 Import and Export Positions .................................................................. 48
5.1.4.5 CO 2 Emissions ....................................................................................... 49
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