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Final Technical Due Diligence Report9A000193.0111 December 2009Revision 2ŠOŠTANJ THERMAL POWER PLANTDue Diligence ServicesInvestment of New Lignite-fired 600 MW Power Generation UnitEuropean Bank for Reconstruction and Development (EBRD)
Sostanj Thermal Power PlantDue Diligence ServicesTechnical Due Diligence ReportPÖYRY ENERGY LTD.Ref. No 9A000193.01Date 11 December, 2009Page iContactHardturmstrasse 161, P.O. BoxCH-8037 Zurich/SwitzerlandTel. 41 44 355 5554Fax 41 44 355 5556Jorg.lammers@poyry.comwww.poyry.comPöyry Energy Ltd.Dr. Jörg LammersProject ManagerPower & HeatHans-Ulrich BosshardProject ManagerPower & HeatCopyright Pöyry Energy Ltd.All rights are reserved. This document or any part thereof may not be copied orreproduced without permission in writing from Pöyry Energy Ltd.Y:\1025\9A000193.01 Sonstanj TPP - Due Diligence\500 Reports\Final Due Dilligence Report\Sostanj Due Diligence Report080410 Rev2.doc
Sostanj Thermal Power PlantDue Diligence ServicesTechnical Due Diligence ReportPÖYRY ENERGY LTD.Ref. No 9A000193.01Date 11 December, 2009Page 1Contents1INTRODUCTION. 11.11.2Objectives. 1Task and Approach. 22EXISTING POWER PLANT. .52.32.3.12.3.22.3.32.3.42.3.52.3.6Power Generating Units . 4Units 1, 2 and 3 . 5Unit 4. 6Unit 5. 6Gas Turbine Plant. 8Auxiliary Systems . 9Flue Gas Cleaning . 9Fuel Supply and Ash Disposal . 11Cooling Systems. 12Fresh Water, Water Treatment and Waste Water Treatment . 13Heat Supply Plant. 15Electrical Installations and Control Systems. 16Generators, Motors and Protection System. 16Transformers . 16Emergency Power Supply . 16Control and Instrumentation. 17Switchgears . 17Connection to the National Grid . 173NEW POWER GENERATING UNIT 6 . 193.1Overview of the Project. 193.2Technical Description of Unit 6 . 203.2.1Power Island . 203.2.2Electrostatic Precipitator . 223.2.3Selective Catalytic Reduction (SCR) of NOx . 233.2.4Flue Gas Desulphurisation (FGD) Plant . 233.2.5Carbon Capture and Storage (CCS) . 263.2.6Cooling Tower and Cooling Water System . 263.2.7Electrical Systems . 273.2.8Unit Control System. 303.3Integration into the Existing Plant and Infrastructure . 313.3.1Fuel Supply . 313.3.2Ash and Gypsum Disposal . 313.3.3Water Supply and Waste Water Disposal . 323.4Switch Gear and Connection to Grid . 333.4.1Proposed Power Grid Connection . 333.4.2Integration into the Power Grid. 333.5Project Implementation . 34Y:\1025\9A000193.01 Sonstanj TPP - Due Diligence\500 Reports\Final Due Dilligence Report\Sostanj Due Diligence Report080410 Rev2.doc
Sostanj Thermal Power PlantDue Diligence ServicesTechnical Due Diligence Report4PÖYRY ENERGY LTD.Ref. No 9A000193.01Date 11 December, 2009Page 2POWER PLANT OPERATION . 364.1Operational Aspects . 364.1.1Plant Output. 374.1.2Coal Consumption and CO2 Emissions. 374.1.3Operation Mode. 384.2Operation within the National Grid. 394.3Organisation and Staffing. 404.3.1Present Operation and Maintenance Staff. 414.3.2Operation and Maintenance Staff for Unit 6 . 414.4Power Production Costs . 414.4.1Variable Costs . 424.4.2Fixed Costs. 424.5Off-taker and Sales (PPA). 424.5.1Electricity Sales. 434.5.2Heat Sales . 434.6Policy of Quality Control . 435LIGNITE MINE. 445.1Velenje Lignite Deposit, Reserves and Quality . 445.1.1Exploration Status . 465.1.2Coal Reserves . 465.1.3Lignite Quality . 475.1.4Lignite Demand versus Remaining Mineable Reserves . 485.2Setup and Structure of the Mine. 505.2.1Coal Production. 505.2.2Mining Technology . 515.3Mine Operations . 555.3.1Velenje Method . 555.3.2Quality and Safety Standards . 565.4Mine Development Plans . 565.4.1Selling Price of Lignite . 575.4.2Development Strategies by Individual Segments. 575.5Lignite Transport and Supply Chain . 585.6Lignite Supply Agreement . 586ENVIRONMENTAL ASPECTS . nmental Permitting Requirements and EIA Procedures. 60Compliance with EU Regulations . 60Local Legal Requirements for Spatial Plans . 61Project Permitting Status. 61Project Site and Present Situation . 62Observations during the Site Visit . 63Existing Environmental Impact Assessment Report. 63Air Pollution and other Emissions . 64Water Consumption. 66Waste Disposal. 67Y:\1025\9A000193.01 Sonstanj TPP - Due Diligence\500 Reports\Final Due Dilligence Report\Sostanj Due Diligence Report080410 Rev2.doc
Sostanj Thermal Power PlantDue Diligence ServicesTechnical Due Diligence Report6.4.47PÖYRY ENERGY LTD.Ref. No 9A000193.01Date 11 December, 2009Page 3Problem Areas . 67EPC CONTRACT FOR POWER ISLAND OF NEW UNIT 6 . 687.1Bidding Procedure and History . 687.1.1Tendering . 687.1.2Selection of Preferred Bidder. 687.1.3Reservation Agreement and EPC Bid from Alstom. 697.1.4Comments to Procurement Approach . 697.2Specific Conditions of the EPC Contract for the Power Island . 697.2.1Guarantees in Contract for Unit 6 .
Technical Due Diligence Report Date 11 December, 2009 Page i Y:\1025\9A000193.01 Sonstanj TPP - Due Diligence\500_Reports\Final Due Dilligence Report\Sostanj
