Environmental Report
Total Page:16
File Type:pdf, Size:1020Kb
SONI Transmission Development Plan for Northern Ireland 2018 - 2027 Strategic Environmental Assessment Environmental Report Nov 2018 / IBE1426 rpsgroup.com/ireland SONI Transmission Development Plan for Northern Ireland 2018 - 2027 Strategic Environmental Assessment Environmental Report DOCUMENT CONTROL SHEET Client SONI Project Title SONI TDPNI SEA Document Title IBE1426_SONI_TDPNI_SEA_Environmental__Report_D03 Document No. IBE1426RP0003 DCS TOC Text List of Tables List of Figures No. of This Document Appendices Comprises 1 1 200 1 1 6 Rev. Status Author(s) Reviewed By Approved By Office of Origin Issue Date Jill Connolly Richard D01 Draft Danielle King Ray Holbeach Belfast 03/08/18 Bingham Sinead Barrett Richard D02 Draft Jill Connolly Ray Holbeach Belfast 09/11/18 Bingham D03 Draft Jill Connolly Richard Ray Holbeach Belfast 23/11/18 Bingham rpsgroup.com/ireland Copyright Copyright – SONI. All rights reserved. No part of this report may be copied or reproduced by any means without prior written permission from SONI. Legal Disclaimer This report is subject to the limitations and warranties contained in the contract between the commissioning party (SONI) and RPS Group Ireland rpsgroup.com/ireland TDPNI 2018 - 2027 SEA Environmental Report TABLE OF CONTENTS NON-TECHNICAL SUMMARY ................................................................................................................ I 1 INTRODUCTION ........................................................................................................................ 1 1.1 BACKGROUND ................................................................................................................. 1 1.2 STRATEGIC ENVIRONMENTAL ASSESSMENT ...................................................................... 1 1.3 RESPONSIBLE AUTHORITY ................................................................................................ 3 1.4 STUDY TEAM ................................................................................................................... 3 1.5 SCREENING FOR SEA ...................................................................................................... 3 1.6 SCOPING FOR SEA .......................................................................................................... 4 1.7 SEA GUIDANCE ............................................................................................................... 4 1.8 STATUTORY CONSULTEES FOR SEA ................................................................................. 4 1.9 APPROPRIATE ASSESSMENT............................................................................................. 5 2 TRANSMISSION DEVELOPMENT PLAN FOR NORTHERN IRELAND 2018 ........................ 6 2.1 BACKGROUND ................................................................................................................. 6 2.2 ELECTRICITY IN NORTHERN IRELAND ................................................................................ 6 2.3 OBJECTIVES AND POLICIES OF THE TDPNI 2018 ............................................................... 8 3 METHODOLOGY AND CONSULTATIONS ............................................................................ 13 3.1 SEA ASSESSMENT ........................................................................................................ 13 3.2 SEA OBJECTIVES .......................................................................................................... 15 3.3 ENVIRONMENTAL CONSTRAINTS MODELLING ................................................................... 26 3.4 DIFFICULTIES AND DATA GAPS ....................................................................................... 29 3.5 CONSULTATIONS ............................................................................................................ 30 3.5.1 Proposed Consultation on Draft TDPNI and SEA Environmental Report ...... 30 4 DESCRIPTION OF THE TRANSMISSION DEVELOPMENT PLAN FOR NORTHERN IRELAND 2018 ......................................................................................................................... 31 4.1 INTRODUCTION .............................................................................................................. 31 4.2 GEOGRAPHIC SCOPE ..................................................................................................... 31 4.3 TEMPORAL SCOPE ......................................................................................................... 32 5 BASELINE AND RELEVANT ENVIRONMENTAL ISSUES ................................................... 33 5.1 INTRODUCTION .............................................................................................................. 33 5.2 BIODIVERSITY, FLORA & FAUNA ...................................................................................... 33 5.3 POPULATION & HUMAN HEALTH ...................................................................................... 36 5.4 GEOLOGY, SOILS & LANDUSE ......................................................................................... 39 5.5 WATER .......................................................................................................................... 41 5.6 AIR ............................................................................................................................... 42 5.7 CLIMATIC FACTORS ........................................................................................................ 43 5.8 MATERIAL ASSETS ......................................................................................................... 44 5.9 CULTURAL, ARCHAEOLOGICAL & ARCHITECTURAL HERITAGE ........................................... 45 5.10 LANDSCAPE & VISUAL AMENITY ...................................................................................... 46 IBE1426Rp00003 I Rev D03 TDPNI 2018 - 2027 SEA Environmental Report 5.11 EVOLUTION OF THE ENVIRONMENT IN THE ABSENCE OF THE TRANSMISSION DEVELOPMENT PLAN FOR NORTHERN IRELAND 2018 .............................................................................. 46 6 REVIEW OF RELEVANT, PLANS, PROGRAMMES AND POLICIES ................................... 49 6.1 INTERACTION WITH OTHER RELEVANT PLANS AND PROGRAMMES ..................................... 49 7 PROPOSED PLAN OPTION DETAILS ................................................................................... 52 7.1 OVERHEAD TRANSMISSION LINES ................................................................................... 58 7.1.1 Structures ....................................................................................................... 58 7.1.2 Construction Methods .................................................................................... 60 7.1.3 Refurbishment and Uprating .......................................................................... 61 7.1.4 Construction Resources ................................................................................. 62 7.2 UNDERGROUND CABLES ................................................................................................. 67 7.2.1 Construction methods .................................................................................... 67 7.2.2 Watercourse crossings ................................................................................... 67 7.3 SUBSTATIONS ................................................................................................................ 68 7.4 PROJECT STUDY AREAS ................................................................................................ 69 8 ASSESSMENT ......................................................................................................................... 71 8.1 DO NOTHING SCENARIO ................................................................................................. 71 8.2 COOLKEERAGH – MAGHERAFELT 275 KV CIRCUITS RESTRING......................................... 73 8.3 AGIVEY 110/33 KV CLUSTER .......................................................................................... 76 8.4 KELLS WIND 110/33 KV CLUSTER .................................................................................. 81 8.5 FAIR HEAD / TORR HEAD TIDAL SCHEME CONNECTION .................................................... 85 8.6 BELFAST POWER STATION ............................................................................................. 89 8.7 COMPRESSED AIR ENERGY STORAGE SCHEME CONNECTION .......................................... 93 8.8 OMAGH MAIN – OMAGH SOUTH UPRATE ......................................................................... 97 8.9 OMAGH REACTIVE COMPENSATION ............................................................................... 100 8.10 TAMNAMORE REACTIVE COMPENSATION ....................................................................... 104 8.11 COLERAINE REACTIVE COMPENSATION ......................................................................... 107 8.12 KELLS/CREAGH – RASHARKIN NEW 110 KV CIRCUIT ..................................................... 111 8.13 TAMNAMORE – TURLEENAN UPRATE ............................................................................. 115 8.14 COOLKEERAGH – TRILLICK NEW 110 KV LINE ................................................................ 119 8.15 TURLEENAN – OMAGH SOUTH – COUNTY DONEGAL NEW 275 KV LINE ........................... 123 8.16 KILROOT - COOLKEERAGH HVDC LINK (NORTH WEST OF NORTHERN IRELAND REINFORCEMENT) .......................................................................................................