/ Environmental and Social Impact Assessment for Water Supply Alternatives Final Date: 13/03/2020 Prepared for: Tulu Moye Geothermal Operations Plc. Prepared by: Farrant, Giles and others. Project Name: TMGO ESIA for Water Supply Alternatives Project No: 2206717823 Report Ref: RPT_2206717823_02 Environmental and Social Impact Assessment for Water Supply Alternatives Sign-off Sheet Project Name TMGO ESIA for Water Supply Alternatives Project No 2206717823 Report Reference RPT_2206717823_02 Revision Date Description Author Check Review 0.5 31-Jan-20 draft ESIA Report for Water Mathilde Laval Shannon Smart Michael Supply Alternatives Giles Farrant Tasha Worral Preston, Luke Long, Neil Cory Rob Evans 0.11 11-Mar-20 Revised draft for finalization Mathilde Laval Shannon Smart Michael of ESIA Report for Water Giles Farrant Tasha Worral Preston, Luke Supply Alternatives Long, Neil Cory Rob Evans 1.0 13-Mar-20 Final ESIA Report for Water Mathilde Laval Shannon Smart Michael Supply Alternatives Giles Farrant Tasha Worral Preston, Luke Long, Neil Cory Rob Evans This document entitled Environmental and Social Impact Assessment for Water Supply Alternatives was prepared by Stantec Consulting International Ltd. for the account of Tulu Moye Geothermal Operations Plc. (the “Client”). Any reliance on this document by any third party is strictly prohibited. The material in it reflects Stantec’s professional judgment in light of the scope, schedule and other limitations stated in the document and in the contract between Stantec and the Client. The opinions in the document are based on conditions and information existing at the time the document was published and do not take into account any subsequent changes. In preparing the document, Stantec did not verify information supplied to it by others. Any use which a third party makes of this document is the responsibility of such third party. Such third party agrees that Stantec shall not be responsible for costs or damages of any kind, if any, suffered by it or any other third party as a result of decisions made or actions taken based on this document. 17/01/2020 RPT_2206717823_02 Environmental and Social Impact Assessment for Water Supply Alternatives Table of Contents 1.0 INTRODUCTION .................................................................................................................. 1.1 1.1 INTRODUCTION .................................................................................................................. 1.1 1.2 THE SCOPING AND ESIA STUDIES .................................................................................. 1.1 1.3 STRUCTURE OF THIS REPORT ........................................................................................ 1.1 2.0 REGULATORY AND FINANCING REQUIREMENTS ........................................................ 2.1 2.1 INTRODUCTION .................................................................................................................. 2.1 2.2 NATIONAL REGULATORY REQUIREMENTS .................................................................... 2.1 2.3 WATER EXTRACTION PERMIT REQUIREMENTS ............................................................ 2.1 2.3.1 Article 11 of the Ethiopian Water Resources Management Proclamation No. 197/2000 ............................................................................................................................... 2.1 2.3.2 Water Resources Management Regulation (115/2005) ....................................................... 2.1 2.3.3 Current permitting Status ...................................................................................................... 2.2 2.4 OTHER ETHIOPIAN COMMITMENTS ................................................................................ 2.2 2.5 INTERNATIONAL FINANCE REQUIREMENTS .................................................................. 2.4 2.5.1 IFC Performance Standards ................................................................................................. 2.4 2.5.2 WBG Environmental, Health and Safety General Guidelines .............................................. 2.6 2.6 OTHER REQUIREMENTS ................................................................................................... 2.7 2.6.1 Equator Principles ................................................................................................................. 2.7 2.6.2 World Bank Environmental and Social (ESF) and Operational Policies (OP) ...................... 2.7 2.6.3 ILO Requirements ................................................................................................................. 2.9 2.6.4 Meridiam Group Requirements ............................................................................................ 2.9 3.0 ESIA PROCESS ................................................................................................................... 3.1 3.1 OVERVIEW .......................................................................................................................... 3.1 3.1.1 ESIA Objectives .................................................................................................................... 3.1 3.1.2 ESIA Steps ........................................................................................................................... 3.2 3.2 STAKEHOLDER ENGAGEMENT ........................................................................................ 3.2 3.3 PROJECT SCOPING ........................................................................................................... 3.3 3.3.1 Overview ............................................................................................................................... 3.3 3.3.2 The Project AoI ..................................................................................................................... 3.3 3.3.3 Associated Facilities ............................................................................................................. 3.4 3.3.4 Temporal Scope ................................................................................................................... 3.5 3.4 BASELINE STUDY AND METHODOLOGY ......................................................................... 3.5 3.4.1 Desk Studies and Geographical Information System ........................................................... 3.5 3.4.2 Topic Specific Studies .......................................................................................................... 3.5 3.5 IMPACT ASSESSMENT METHODOLOGY ......................................................................... 3.6 3.5.1 General Considerations ........................................................................................................ 3.6 3.5.2 Impact Identification .............................................................................................................. 3.6 3.5.3 Impact Prediction .................................................................................................................. 3.8 3.5.4 Impact Evaluation: Significance ............................................................................................ 3.9 3.5.5 Mitigation............................................................................................................................. 3.11 3.5.6 Assessing Residual Impacts ............................................................................................... 3.11 3.6 CUMULATIVE IMPACT ASSESSMENT ............................................................................ 3.12 3.7 TRANSBOUNDARY IMPACTS .......................................................................................... 3.12 3.8 MANAGEMENT AND MONITORING ................................................................................. 3.12 3.9 IMPACT ASSESSMENT TEAM ......................................................................................... 3.12 3.10 ETHIOPIAN EXPERT CERTIFICATION ............................................................................ 3.15 3.11 ESIA LIMITATIONS ............................................................................................................ 3.15 3.11.1 General Considerations ...................................................................................................... 3.15 17/01/2020 RPT_2206717823_02 Environmental and Social Impact Assessment for Water Supply Alternatives 3.11.2 Accuracy, Depth of Detail and Gaps in Knowledge of the Existing Conditions .................. 3.15 3.11.3 Developing Design .............................................................................................................. 3.15 3.11.4 Accuracy of Impact Prediction and Effectiveness of Mitigation .......................................... 3.16 3.11.5 Managing Uncertainty ......................................................................................................... 3.16 4.0 PROJECT DESCRIPTION ................................................................................................... 4.1 4.1 INTRODUCTION .................................................................................................................. 4.1 4.2 TMGO OVERVIEW ............................................................................................................... 4.1 4.2.1 Summary of the Main TMGO Project ................................................................................... 4.1 4.2.2 TMGO Main Project AoI .......................................................................................................