Supplementary Environmental Information Llandinam Windfarm Repowering and Extension CELTPOWER LTD LLANDINAM WINDFARM REPOWERING AND EXTENSION SUPPLEMENTARY ENVIRONMENTAL INFORMATION Volume I – Supplementary Environmental Information: Main Report December 2011 Llandinam Windfarm Repowering and Extension Supplementary Environmental Information [This page has been intentionally left blank] Table of Contents Section ...........................................................................................Page No. 1. INTRODUCTION ............................................. Page 1 of Chapter 1 6. LANDSCAPE AND VISUAL............................Page 1 of Chapter 6 1.1 Overview...................................................................................................................1 6.1 Introduction .............................................................................................................. 1 1.2 Supplementary Environmental Information Structure...............................................1 6.2 Conclusions of the Original ES Chapter .................................................................. 2 1.3 Project Team............................................................................................................2 6.3 Review of Changes to Planning Policy Context....................................................... 2 1.4 References ...............................................................................................................2 6.4 Assessment Methodology and Significance Criteria................................................ 2 6.5 Review of Baseline Conditions ................................................................................ 2 2. ASSESSMENT METHODOLOGY AND 6.6 Assessment of Design Change Effects and Mitigation Measures ........................... 3 SIGNIFICANCE CRITERIA ............................. Page 1 of Chapter 2 6.7 Residual Effects and Conclusions of Design Changes............................................ 7 6.8 Cumulative Effects................................................................................................... 7 2.1 Introduction...............................................................................................................1 6.9 Statement of Effects............................................................................................... 14 2.2 Scoping and Consultation.........................................................................................1 6.10 References............................................................................................................. 15 2.3 Structure of Technical Chapters ...............................................................................3 2.4 Significance Criteria..................................................................................................3 7. ORNITHOLOGY ..............................................Page 1 of Chapter 7 2.5 Cumulative Effects....................................................................................................4 7.1 Introduction .............................................................................................................. 1 3. SITE SELECTION AND DESIGN 7.2 Conclusions of the Original ES Chapter .................................................................. 2 7.3 Review of Changes to Planning Policy Context....................................................... 2 EVOLUTION.................................................... Page 1 of Chapter 3 7.4 Assessment Methodology and Significance Criteria................................................ 2 3.1 Introduction...............................................................................................................1 7.5 Review of Baseline Conditions ................................................................................ 2 7.6 Assessment of Design Change Effects and Mitigation Measures ........................... 4 3.2 Design Strategy and Design Evolution .....................................................................1 7.7 Residual Effects and Conclusions of Design Changes............................................ 8 4. PROJECT DESCRIPTION .............................. Page 1 of Chapter 4 7.8 Cumulative Effects................................................................................................... 8 7.9 Statement of Effects................................................................................................. 8 4.1 Introduction...............................................................................................................1 7.10 References............................................................................................................... 8 4.2 Overview of the Operational Development...............................................................1 4.3 Site Access...............................................................................................................1 8. ECOLOGY .......................................................Page 1 of Chapter 8 4.4 Site Preperation and Construction............................................................................2 4.5 New On-Site Structures............................................................................................2 8.1 Introduction .............................................................................................................. 1 4.6 References ...............................................................................................................2 8.2 Conclusions of the Original ES Chapter .................................................................. 2 8.3 Review of Changes to Planning Policy Context....................................................... 2 5. PLANNING POLICY CONTEXT ..................... Page 1 of Chapter 5 8.4 Assessment Methodology and Significance Criteria................................................ 2 8.5 Review of Baseline Conditions ................................................................................ 4 5.1 Introduction...............................................................................................................1 8.6 Assessment of Design Change Effects and Mitigation Measures ........................... 7 5.2 National Policy Statement for Energy (July 2011)....................................................1 8.7 Residual Effects and Conclusions of Design Changes.......................................... 11 5.3 The Powys Unitary Development Plan (March 2010)...............................................2 8.8 Cumulative Effects................................................................................................. 11 5.4 National Guidance....................................................................................................3 8.9 Statement of Effects............................................................................................... 11 5.5 The Powys Interim Development Control Guidance (IDCG) ....................................4 8.10 References............................................................................................................. 11 5.6 Conclusions ..............................................................................................................4 5.7 References ...............................................................................................................4 December 2011 Llandinam Windfarm Repowering and Extension Supplementary Environmental Information Table of Contents Table of Contents 9. TRAFFIC, ACCESS AND TRANSPORT ........ Page 1 of Chapter 9 12. GEOLOGY, HYDROLOGY AND 9.1 Introduction...............................................................................................................1 HYDROGEOLOGY ........................................Page 1 of Chapter 12 9.2 Conclusions of the Original ES Chapter ...................................................................2 12.1 Introduction .............................................................................................................. 1 9.3 Review of Changes to Planning Policy Context .......................................................2 12.2 Conclusions of the Original ES Chapter .................................................................. 1 9.4 Assessment Methodology and Significance Criteria ................................................2 12.3 Review of Changes to Planning Policy Context....................................................... 1 9.5 Review of Baseline Conditions .................................................................................2 12.4 Assessment Methodology and Significance Criteria................................................ 1 9.6 Assessment of Design Change Effects and Mitigation Measures............................3 12.5 Review of Baseline Conditions ................................................................................ 2 9.7 Residual Effects and Conclusions of Design Changes ............................................5 12.6 Assessment of Design Change Effects and Mitigation Measures ........................... 2 9.8 Cumulative Effects....................................................................................................5 12.7 Residual Effects and Conclusions of Design Changes............................................ 3 9.9 Statement of Effects .................................................................................................6 12.8 Cumulative Effects..................................................................................................