Network Development Statement 2010/11 to 2019/20 - Gaslink

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DISCLAIMER Gaslink has followed accepted industry practice in the collection and analysis of data available. However, prior to taking business decisions, interested parties are advised to seek separate and independent opinion in relation to the matters covered by the present Network Development Statement (NDS) and should not rely solely upon data and information contained therein. Information in this document does not purport to contain all the information that a prospective investor or participant in Ireland’s gas market may need.
CONTENTS NETWORK DEVELOPMENT STATEMENT 1. Introduction 2 2. Executive Summary 4 2.1 ROI Gas Demand 4 2.2 Gas Supplies 4 2.3 Network Development 5 3. Demand 6 3.1 Record Peak Gas Demands in 2010 6 3.2 Historic ROI Demand – 2005/06 to 2009/10 7 3.3 Forecast ROI Gas Demand 13 4. Gas Supply Outlook 18 4.1 Historical gas supplies 18 4.2 Future gas supply outlook 19 5. The ROI Transmission System 22 5.1 Overview of the existing ROI gas network 23 5.2 New connections and New Towns 24 5.3 System Reinforcement 24 5.4 System Refurbishment 27 6. Network Analysis 28 6.1 Overview of Network Analysis 28 6.2 The Network Model 29 6.3 Entry Point Assumptions 29 6.4 System Configuration 30 6.5 Summary of Modelling Results 30 6.6 Physical Exports to GB 35 6.7 Conclusions 37 7. Asset Management 38 7.1 Compressor Stations 38 7.2 AGIs & DRIs 40 7.3 Meters 41 7.4 Communications and Instrumentation 43 7.5 Pipelines 44 7.6 Asset Integrity 45 7.7 Gas Quality 46 7.8 Natural Gas as a transport fuel 47 8. Security of supply 48 8.1 Overview of Legal Framework 48 8.2 Existing Operational and Planning arrangements 48 9. Commercial Market Developments 50 9.1 Gaslink: Independent System Operator 50 9.2 European Developments 50 9.3 New Connections 52 9.4 Moffat 52 9.5 CAG Summary 53 Appendix 1: Demand Forecasts 54 Appendix 2: Historic Demand 57 Appendix 3: Energy Efficiency assumptions 59 National Energy Efficiency Action Plan (NEEAP) 59 Glossary 61 1
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Network Development Statement 2010/11 to 2019/20 - Gaslink

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