Technical Assistance Consultant’s Report Project Number: 43456 June 2010 Kyrgyz Republic: Transmission and Distribution Metering (Financed by the Technical Assistance Special Fund) Prepared by AECOM New Zealand Ltd. Auckland, New Zealand For the Ministry of Energy and JSC National Electrical Grid of Kyrgyztan This consultant’s report does not necessarily reflect the views of ADB or the Government concerned, and ADB and the Government cannot be held liable for its contents. Asian Development Bank June 2010 Executing Agency Implementing Agency Ministry of Energy JSC "National Electrical Grid of Kyrgyzstan" TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility Study Report 60146737/109 TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility Study Report Client: : Asian Development Bank Contract Nº S20828 Prepared by: AECOM New Zealand Limited 47 George Street, Newmarket, Auckland 1023, PO Box 4241, Shortland Street, Auckland 1140, New Zealand T +64 9 379 1200 F +64 9 379 1230 www.aecom.com June 2010 60146737 June 2010 TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility Study Report Table of Contents 1.0 Introduction 1 1.1 Appointment 1 1.2 Terms of Reference 1 1.3 Feasibility Study Report 1 1.4 Objectives 2 1.5 Project Team 2 1.6 Project Office 3 1.7 Acknowledgements 3 2.0 Background and Overview 4 2.1 Kyrgyzstan 4 2.2 Power Sector 5 3.0 Wholesale Metering 10 3.1 Existing Situation 10 3.2 Wholesale Metering Concept Design 15 3.3 Wholesale Metering Scope and Cost Estimate 17 3.4 Safeguards 19 4.0 Substation Upgrades 20 4.1 Existing Situation 20 4.2 Substation Upgrades Scope and Cost Estimate 20 4.3 Safeguards 21 5.0 Communications 22 5.1 Existing Communications Systems 22 5.2 New Communications Systems 23 5.3 Fibre Network Performance 27 5.4 Communications System Upgrade Advantages 27 5.5 Communications System Scope of Work and Costs 28 5.6 Safeguards 28 6.0 SCADA 29 6.1 Existing SCADA System 29 6.2 SCADA Upgrade 30 6.3 Substations 32 6.4 SCADA Upgrade Advantages 33 6.5 SCADA System Scope of Work and Costs 34 7.0 Cost Summary 35 8.0 Project Implementation and Procurement 36 8.1 Project Implementation 36 8.2 Procurement 37 Appendix 1 Terms of Reference 39 Appendix 2 List of Key Officials Met 41 Appendix 3 NEGK Substations 43 Appendix 4 Interconnection of Generation with NEGK Substations 49 Appendix 5 Interconnection of DisCos with NEGK Substations 51 Appendix 6 International Transmission Lines 59 Appendix 7 Digital Wholesale Meters 61 Appendix 8 Details of Substation Upgrade Equipment 67 Appendix 9 Fibre Optic Network 69 Appendix 10 Schedule of Transmission Lines 71 Appendix 11 Simplified Transmission Single Line Diagram 79 Appendix 12 Implementation Schedule 81 Appendix 13 NEGK's PIU Experience 83 FIGURES Figure 1 Map of Kyrgyzstan 4 Figure 2 Corporate Structure of NEGK 7 Figure 3 NEGK Central Dispatch Centre 7 June 2010 Page i TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility Study Report Figure 4 Power Flow between Entities 10 Figure 5 Typical NEGK Electromechanical Induction Watt-Hour Meters 11 Figure 6 Typical NEGK Digital Wholesale Meters 12 Figure 7 NEGK Digital Meter Testing 12 Figure 8 Old CT and VT Name Plates 14 Figure 9 Typical Modern Four-Quadrant Energy Meter 15 Figure 10 New Wholesale Metering between Entities 16 Figure 11 Substation Metering Configurations 17 Figure 12 Old 220 kV Circuit Breakers 20 Figure 13 Old PLCC Equipment 22 Figure 14 More Modern PLCC Equipment 22 Figure 15 Line Traps 22 Figure 16 New Multiplexer 23 Figure 17 Radio Relay and Cell Phone Antennae 23 Figure 18 Radio Relay Antenna (one broken) 23 Figure 19 Old PABX Equipment 23 Figure 20 Telephone Console 23 Figure 21 Workers Replacing Earth Wire with OPGW 25 Figure 22 ADSS on MV line 25 Figure 23 GPRS Network Arrangement 26 Figure 24 ChuPVES Regional Control Room 29 Figure 25 Telemetry Lady 29 Figure 26 SCADA Screens 29 Figure 27 Interface Device 30 Figure 28 SCADA Screen, Load Curve 30 Figure 29 SCADA Screen, Mimic Diagram 30 Figure 30 Equipment Architecture - Fibre Connected Substation 32 Figure 31 Equipment Architecture - GPRS Connected Substation 33 TABLES Table 1 NEGK Transmission Lines 7 Table 2 NEGK Substations 8 Table 3 DisCo Features 8 Table 4 NEGK Cross-Border Wholesale Meters 11 Table 5 Large Customer Substations 11 Table 6 Existing NEGK Wholesale Meters 13 Table 7 NEGK CT & VT Testing Results 14 Table 8 Estimated Quantities of Wholesale Meters 18 Table 9 Estimated Quantities of Replacement CTs and VTs 18 Table 10 Estimated Cost of Wholesale Metering Component 19 Table 11 Estimated Quantities of Substation Replacement CBs, CTs and VTs 21 Table 12 Estimated Cost of Substation Upgrade Component 21 Table 13 Estimated Cost of Communications Component 28 Table 14 Estimated Cost of SCADA Component 34 Table 15 Estimated Total Project Cost 35 June 2010 Page ii TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility Study Report Glossary ADB Technical Assistance Classification Sector Energy Subsector Electricity transmission and distribution Targeting Classification General Intervention Themes Economic growth, Environmental sustainability Subtheme Promoting macroeconomic stability, Widening access to markets and economic opportunities, Natural resources conservation. Abbreviations and Acronyms ADB Asian Development Bank MoE Ministry of Energy ADF Asian Development Fund MPLS Multi Protocol Label Switching ADSS All Dielectric Self-Supporting MSP Ministry of State Property AECOM NZ AECOM New Zealand Ltd NCC National Control Centre CAPS Central Asian Power System NEGK National Electrical Grid of Kyrgyzstan CB Circuit Breaker NIST National Institute of Standards and CHP Combined Heat and Power (Plant) Technology CSCS Computerised Substation Control System NMS Network Management System CT Current Transformer OJSC Open Joint Stock Company CVT Capacitor Voltage Transformer OPGW Optical Ground Wire DisCo Distribution Company PABX Private Automatic Branch Exchange DNP Distributed Network Protocol PIC Project Implementation Consultant EIRR Economic Internal Rate of Return PLCC Power Line Carrier Communications EMS Energy Management System PPTA Project Preparatory Technical Assistance EPP Electric Power Plant PTSN Public Switched Telephone Network FIRR Financial Internal Rate of Return PVES (Predpriyatie Visokih Elektricheskih Setey) GoK Government of Kyrgyzstan NEGK Regional Centres GGSN Gateway GPRS Support Mode QCBS Quality-and-Cost-Based-Selection GPRS General Packet Radio Service RCC Regional Control Centre GPS Global Positioning System RTU Remote Terminal Unit GSM Global System for Mobile Communications SCADA Supervisory Control and Data Acquisition HEP Heat and Energy Plant SDH Synchronous Digital Hierarchy HPP Hydroelectric Power Plant SM Single Mode ICB International Competitive Bidding SOE Sequence of Events ICCP Inter Control Centre Protocol STM-1 Synchronous Transport Module level 1 IEC International Electrotechnical Commission T&D Transmission and Distribution IED Intelligent Electronic Device TA Technical Assistance IP Internet Protocol ToR Terms of Reference ITU-T International Telecommunication Union, UPS Uninterruptible Power Supply Telecommunication Standardisation Sector VT Voltage Transformer KPI Key Performance Indicator WAN Wide Area Network LAN Local Area Network LIC Large Industrial Customer Currency Equivalents The Kyrgyzstan currency is the Som (KGS). The exchange rate as of April 2010 was approximately USD 1.00 = KGS 45. In this report, "USD" refers to US dollars. June 2010 Page iii TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility Study Report Electrical Terminology V (Volt) - Unit of voltage kV (kilovolt) - 1,000 volts W (Watt) - Unit of active power kW (kilowatt) - 1,000 watts MW (Megawatt) - 1,000 kW Wh (watt-hour) - Unit of Energy kWh (kilowatt-hour) - 1,000 Wh MWh (Megawatt-hour) - 1,000 kWh GWh (Gigawatt-hour) - 1,000 MWh TWh (Terawatt-hour) - 1,000 GWh VA (Volt-ampere) - Unit of apparent power kVA (kilovolt-ampere) - 1,000 VA MVA (Megavolt-ampere) - 1,000 kVA VAr (volt-ampere reactive) - Unit of reactive power Transmission System High Voltage (HV) - 500 kV, 230 kV, 115 kV lines supplying grid substations Medium Voltage Distribution (MV) - 35 kV, 10 kV or 6 kV lines supplying distribution substations Low Voltage Distribution (LV) - 400/230 V distribution and service lines Load Factor - Ratio of average power demand to maximum power demand Electrical Losses - Difference between energy delivered and energy sent out Grid Substation - Substation with primary voltage of 500 kV, 230 kV or 115 kV Distribution Substation - Substation with primary voltage of 35 kV or 10 kV and secondary voltage of 400/230 V NEGK Regional Centres ChuPVES Chuyskoe Predpriyatie Visokih Elektricheskih Setey. Chuy Organisation of High Voltage Transmission Lines IPVES Issyk-Kulskoe Predpriyatie Visokih Elektricheskih Setey. Issyk-Kul Organisation of High Voltage Transmission Lines NPVES Narynskoe Predpriyatie Visokih Elektricheskih Setey. Naryn Organisation of High Voltage Transmission Lines TPVES Talasskoe Predpriyatie Visokih Elektricheskih Setey Talas Organisation of High Voltage Transmission Lines JPVES Jalal-Abadskoe Predpriyatie Visokih Elektricheskih Setey Jalalabad Organisation of High Voltage Transmission Lines OshPVES Oshskoe Predpriyatie Visokih Elektricheskih Setey. Osh Organisation of High Voltage Transmission Lines. June 2010 Page iv TA Nº 7368-KGZ Transmission Metering & Communications Project Feasibility