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Improving the Procedures on Cross-Border Metering Stations and Upgrading the SCADA System of the Transmission Network Stations [CWP.09.GE]

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Improving the Procedures on Cross-Border Metering Stations and Upgrading the SCADA System of the Transmission Network Stations [CWP.09.GE] ACTIVITY COMPLETION REPORT GEORGIA - Improving the procedures on cross-border metering stations and upgrading the SCADA system of the transmission network stations [CWP.09.GE] INOGATE Technical Secretariat (ITS) and Integrated Programme in support of the Baku Initiative and the Eastern Partnership energy objectives Contract No 2011/278827 A project within the INOGATE Programme Implemented by: Ramboll Denmark A/S (lead partner) EIR Global sprl. The British Standards Institution LDK Consultants S.A. MVV decon GmbH ICF International Statistics Denmark Energy Institute Hrvoje Požar Document title Activity Completion Report: Improving the procedures on cross-border metering stations and upgrading the SCADA system of the transmission network. (CWP.09.GE) Document status Final Name Date Prepared by Phil Winnard 07/03/2016 Raimondas Buckus Checked by Nikos Tsakalidis 10/03/2016 Adrian Twomey Approved by Peter Larsen 06/06/2016 This publication has been produced with the assistance of the European Union. The contents of this publication are the sole responsibility of the authors and can in no way be taken to reflect the views of the European Union. Abbreviations and acronyms atm Atmosphere – obsolete measure of pressure Bar Measure of pressure – SI unit EC European commission EU European Union GGTC Georgian Gas Transportation Company GSM Global System for Mobil Communications IGEM Institution of Gas Engineers and Managers - UK ITS Inogate Technical Secretariat Mbar One thousandth division of 1 Bar Ofgem Office of Gas and Electricity Markets MOP Maximum operating pressure NRV Non Return Valve RIIO UK Energy Regulator (Ofgem) price control model Revenue=Incentives+ Innovation + Outputs PRMS Pressure reduction and metering station PCV Pressure Control Valve PRV Pressure Relief Valve SCADA Supervisory Control and Data Acquisition SDR Standard diameter ratio – used for PE pipe STP Standard Temperature and Pressure UK United Kingdom Contents 1 PART 1 EUROPEAN COMMISSION ............................................................................................ 7 1.1 Background ............................................................................................................................... 7 1.2 Essence of Activity .................................................................................................................... 7 1.3 Key findings .............................................................................................................................. 7 1.4 Ownership and benefits of the activity ...................................................................................... 8 1.5 Recommendations .................................................................................................................... 9 1.6 Challenges faced ....................................................................................................................... 9 1.7 Impact matrix ......................................................................................................................... 10 2 PART 2 BENEFICIARY .............................................................................................................. 12 2.1 Executive Summary ................................................................................................................. 12 2.2 Context ................................................................................................................................... 15 2.2.1 INOGATE programme .................................................................................................. 15 2.2.3 Beneficiary Organisation ............................................................................................. 15 2.3 Objectives and expected results .............................................................................................. 16 2.3.1 Overall objectives ........................................................................................................ 16 2.3.2 Specific objectives ....................................................................................................... 16 2.3.3 Results to be achieved................................................................................................. 16 2.3.4 Indicators to measure the impacts and Benefits of the assistance ............................... 17 2.4 Scope of works ........................................................................................................................ 18 2.4.1 Project Scope of Works ............................................................................................... 18 2.4.2 Meeting the objectives of the Scope of Works............................................................. 19 2.5 The Georgian Gas Transportation Company (GGTC) ................................................................ 20 2.6 Establishing a base line for the study ....................................................................................... 21 2.6.1 The pilot area concept................................................................................................. 21 2.6.2 Pilot area selection ...................................................................................................... 22 2.6.3 Gas flow balance in the pilot area................................................................................ 24 2.6.4 Pilot area base line assessment ................................................................................... 25 2.7 Quantities of pressure control and metering systems .............................................................. 26 2.7.1 Pilot area..................................................................................................................... 27 2.7.2 GGTC........................................................................................................................... 27 2.8 Key risks associated with over pressure and loss of supply ...................................................... 27 2.9 Minimum functional specification for metering and pressure control ...................................... 28 2.9.1 Metering ..................................................................................................................... 28 2.9.2 Pressure Regulators .................................................................................................... 41 2.9.3 Regulator module configurations ................................................................................ 42 2.10 Optimum maintenance and risk management strategies ......................................................... 45 2.10.1 Meters and associated equipment .............................................................................. 45 2.10.2 Regulators and associated equipment ......................................................................... 52 2.11 Review of EU and international experience ............................................................................. 56 2.11.1 Market structure ......................................................................................................... 56 2.11.2 Europe and the UK ...................................................................................................... 57 2.11.3 Metering in Lithuania .................................................................................................. 62 2.11.4 Requirements for Measuring Instruments: .................................................................. 63 2.11.5 Legal Metrological regulation ...................................................................................... 63 2.11.6 Legal Metrological regulation supervision ................................................................... 64 2.11.7 Metering equipment calibration in Lithuania ............................................................... 64 2.11.8 Rules for legal metrological regulation of measuring instruments................................ 65 2.12 Technical evaluation of the international market .................................................................... 67 2.12.1 Pressure regulators ..................................................................................................... 67 2.12.2 Meters ........................................................................................................................ 69 2.13 Pilot Area Cost Benefit Analysis ............................................................................................... 71 2.13.1 Operational costs ........................................................................................................ 71 2.13.2 Investment costs ......................................................................................................... 76 2.14 GGTC Cost Benefit Analysis ..................................................................................................... 81 2.14.1 Potential savings to GGTC for a leakage reduction policy ............................................. 82 2.14.2 Potential income recovery through improved metering accuracy ................................ 83 2.14.3 Cost benefit assessment of improving metering accuracy ............................................ 83 2.14.4 Cost benefit assessment of leakage reduction ............................................................. 84 2.15 Conclusions ............................................................................................................................. 84 ANNEXES .........................................................................................................................................
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