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Proposed Coega 1000 MW Gas- To-Power Plant - Zone 13 Draft Scoping Report

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Proposed Coega 1000 MW Gas- To-Power Plant - Zone 13 Draft Scoping Report Proposed Coega 1000 MW Gas- to-Power Plant - Zone 13 Draft Scoping Report Report Prepared for Coega Development Corporation Report Number 553652/Z13/1 DEFF ref no: not yet available Report Prepared by October 2020 SRK Consulting: 553652: Coega Gas to Power Project: DSR Z13 Page i Proposed Coega 1000 MW Gas-to-Power Plant - Zone 13 Draft Scoping Report Coega Development Corporation SRK Consulting (South Africa) (Pty) Ltd. Ground Floor Bay Suites 1a Humewood Rd. Humerail Port Elizabeth 6001 South Africa e-mail: [email protected] website: www.srk.co.za Tel: +27 (0) 41 509 4800 Fax:+27 (0) 41 509 4850 SRK Project Number 553652 October 2020 Compiled by: Peer Reviewed by: Nicola Rump Chris Dalgliesh Principal Environmental Scientist Director , Principal Environmental Scientist Abby van Nierop Environmental Scientist Email: [email protected] Authors: N Rump & A van Nierop RUMP/dalc 553652_Gas_to_Power_Zone_13_DSR_final 01102020 October 2020 SRK Consulting: 553652: Coega Gas to Power Project: DSR Z13 Page i Table of Contents Disclaimer .................................................................................................................................................. viii 1 Background and Introduction ..................................................................................... 9 1.1 Background to the study ..................................................................................................................... 9 1.2 Details and expertise of the environmental assessment practitioners (EAPs) ................................. 10 1.3 Statement of SRK Independence ..................................................................................................... 10 1.4 Assessment of the Scoping Report ................................................................................................... 14 1.5 Legal Requirements Pertaining to the Proposed Project .................................................................. 14 1.5.1 National Environmental Management Act (Act No. 107 of 1998) (NEMA) ........................... 14 1.5.2 NEMA EIA Regulations ......................................................................................................... 15 1.5.3 National Environmental Management: Air Quality Act (Act No. 39 of 2004) (NEM:AQA) .... 16 1.5.4 National Greenhouse Gas Emission Reporting Regulations (GNR 275 of 2017)................. 17 1.5.5 National Environmental Management: Biodiversity Act (Act No. 10 of 2004) ....................... 17 1.5.6 Electricity Regulation Act (Act no. 4 of 2006) ........................................................................ 18 1.5.7 National Heritage Resources Act (Act No. 25 of 1999) ......................................................... 18 1.5.8 National Water Act (Act No. 36 of 1998) ............................................................................... 19 1.6 Planning Policy Framework .............................................................................................................. 19 1.6.1 Integrated Energy Plan 2016 ................................................................................................ 19 1.6.2 Integrated Resources Plan 2010-2030 ................................................................................. 19 1.7 Approach to the Scoping Study ........................................................................................................ 20 1.8 Purpose of this Draft Scoping Report ............................................................................................... 22 1.9 Assumptions and Limitations ............................................................................................................ 22 1.10 Structure of this report....................................................................................................................... 24 1.11 Content of Report .............................................................................................................................. 24 2 Description of Development Proposal ...................................................................... 28 2.1 Context .............................................................................................................................................. 29 2.2 Need and desirability......................................................................................................................... 31 2.2.1 Analysis of Need and Desirability of the Project ................................................................... 31 2.2.2 Alignment with energy initiatives ........................................................................................... 34 2.2.3 Land Use Planning Policy Framework .................................................................................. 34 2.3 Location and site description of the proposed project ...................................................................... 34 2.4 Key Terminology ............................................................................................................................... 36 2.4.1 Liquefied Natural Gas (LNG) ................................................................................................. 36 2.4.2 Open Cycle and Combined Cycle ......................................................................................... 36 2.4.3 Gas engines vs gas turbines ................................................................................................. 37 2.4.4 Cooling technologies ............................................................................................................. 38 2.5 Detailed Project Description .............................................................................................................. 39 2.5.1 Power Plant Technology Options .......................................................................................... 39 2.5.2 Cooling technology ................................................................................................................ 41 RUMP/dalc 553652_Gas_to_Power_Zone_13_DSR_final 01102020 October 2020 SRK Consulting: 553652: Coega Gas to Power Project: DSR Z13 Page ii 2.5.3 Zone 13 Power Plant ............................................................................................................. 42 2.5.4 Power evacuation .................................................................................................................. 42 2.5.5 . The power plant will transfer power to the 400 kV powerlines located in the power line servitude depicted in the services corridor shown in Figure 1-2. Cold vent system ............. 42 2.5.6 Safety and fire protection ...................................................................................................... 43 2.5.7 Water Balance: Process Water: ............................................................................................ 43 2.5.8 Waste generation and management ..................................................................................... 43 2.5.9 Emergency Response ........................................................................................................... 44 2.5.10 Labour and Employment ....................................................................................................... 44 2.6 Project Alternatives ........................................................................................................................... 44 2.6.1 Activity Alternatives ............................................................................................................... 45 2.6.2 Site Alternatives .................................................................................................................... 45 2.6.3 Layout and Alignment Alternatives ........................................................................................ 46 2.6.4 Technology Alternatives ........................................................................................................ 46 2.6.5 No-Go alternative .................................................................................................................. 47 2.7 Phasing ............................................................................................................................................. 47 3 Description of the Affected Environment ................................................................. 48 3.1 Climate .............................................................................................................................................. 48 3.2 Geology ............................................................................................................................................. 49 3.3 Topography ....................................................................................................................................... 50 3.4 Land Use ........................................................................................................................................... 50 3.5 Surface and Ground Water ............................................................................................................... 52 3.6 Ecology ............................................................................................................................................. 52 3.6.1 Vegetation ............................................................................................................................. 52 3.6.2 Fauna ...................................................................................................................................
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