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Hollandse Kust (Zuid) Wind Farm Zone Wind Farm Sites I & II

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Hollandse Kust (Zuid) Wind Farm Zone Wind Farm Sites I & II Hollandse Kust (zuid) Wind Farm Zone Wind Farm Sites I & II Project and Site Description October 2017 >> Sustainable. Agricultural. Innovative. International. Foreword 4 1 Objectives and reading guide 8 Contents 1.1 Objectives 9 1.2 Reading guide 9 2 Hollandse Kust (zuid) - The region and the opportunities 10 2.1 Regional overview 11 2.2 Wind power development in the Hollandse Kust region 11 2.3 Support and opportunities in the Hollandse Kust region 12 3 Hollandse Kust (zuid) - Site I and II - site description 14 3.1 General description of the Hollandse Kust (zuid) Wind Farm Zone 15 3.2 Layout and coordinates of HKZWFS I and II 15 3.3 Existing infrastructure 16 3.4 TenneT offshore grid connection system 18 4 Site Studies 20 4.1 Archaeological desk study 22 4.2 Unexploded ordnance (UXO) risk assessment desk study 23 4.3 Geological desk study 25 4.4 Geophysical survey 25 4.5 Archaeological assessment of geophysical survey results 27 4.6 Geotechnical survey 28 4.7 Morphodynamical desk study 36 4.8 Technical note on scour and scour mitigation 38 4.9 Wind Resource Assessment 40 4.10 Metocean measurement campaign 42 4.11 Metocean desk study 44 4.12 Site Investigations quality and certification 47 5 Legal framework and specific requirements of the HKZWFS I and II permit tender 50 5.1 Introduction - Offshore wind road map 51 5.2 Legal framework 51 5.3 Permit tendering 52 5.4 TenneT offshore grid operator 53 6 Specific requirements and relevant information from the legal framework 58 6.1 Boundaries and coordinates 59 6.2 Design and operation requirements 59 7 Next steps preparing a bid 68 7.1 Key dates 69 7.2 Useful websites to help keep track 69 7.3 Dutch energy policy and the State’s role in reducing the cost of offshore wind 70 7.4 The right skills, the right location - the perfect base for a strong supply chain 73 7.5 Key stakeholders in the Hollandse Kust region 75 7.6 Overview of the Dutch Ports 76 8 Applicable documents 80 8.1 Bibliography 81 Appendices 82 Appendix A: Applicable Law Appendix B: Summary Environmental Impact Assessment Appendix C: Boundaries and Coordinates HKZWFS I and II Map: Existing port and manufacturing infrastructure base Project and Site Description Hollandse Kust (zuid) - Wind Farm Sites I & II | 3 In 2016, the Netherlands embarked on its journey towards fulfilling its Foreword goal of adding 3,500 MW of new offshore wind power capacity by end 2023 to take the country’s cumulative offshore total to 4,500 MW. Two tender rounds have so far been conducted, seeking bids from companies to win grants and project permits for developments with a combined capacity of 1,380 MW in the Borssele Wind Farm Zone. With this Project and Site Description (PSD) for Wind Farm Nonetheless, there can be no room for complacency. We Sites I and II of the Hollandse Kust (zuid) Wind Farm Zone have learned valuable lessons from the previous tenders and (HKZWFZ), the country is implementing the lessons learned adapted our approach accordingly to help in our joint from the 2016 Borssele tenders and taking the next step in efforts with industry to maintain the downward cost curve. its five-year offshore wind tender programme. After the five-year offshore wind tender programme the Dutch Whilst a permit without any subsidy is in place for the Government has planned an additional seven-year HKZWFS I and II tender, The Netherlands Enterprise Agency, programme of 1,000 MW of extra offshore wind power in Dutch known as RVO.nl, has increased its emphasis on capacity each year. This has been formulated in the Energy providing more complete and high-quality site data Agenda of December 2016. compared to the process for the Borssele tenders. The first Borssele tender offered a combined total of 700 In fact, with our new approach, RVO.nl has set a new global MW at Borssele Wind Farm Sites I and II (BWFS I and II), standard that acts as benchmark for governments world- while the second offered 680 MW across BWFS III and IV. wide. We followed a thorough quality assurance procedure Now, as this PSD shows, work for the first request for for the HKZ site investigations, including verification tenders for projects in the HKZWFZ is firmly underway. against applicable standards by accredited certification As with the first Borssele tender, the first one for HKZWFZ bodies. DNV GL verified the metocean study, the soil will offer two 350 MW projects for development: one at investigations and the morphodynamic study. The metocean Site I of the zone, the other at Site II. campaign was verified by ECN. The archaeology study was verified by RCE whilst the UXO report was verified by the This next tender round is scheduled for opening and closing Ministry of Defense. in December 2017. The Government has published the Ministerial Order for Offshore Wind Energy 2017 in We then also asked DNV GL to assess the overall package of October 2017. This order sets out the final requirements site studies conducted with a view to awarding an overar- for applications in the HKZWFZ tender and provides the ching certificate confirming that the work has been legal framework to ensure companies can fully prepare conducted in line with industry best practice. The objective a successful tender submission this year. of this final procedure was to validate the quality of all the site studies and to ensure overall high quality, completeness The aim of our offshore wind programme is not simply to and consistency between them and ensure the whole add new capacity, but also to reduce the cost of electricity package forms a suitable basis for the preliminary design of from offshore wind in a sustainable and socially responsible offshore wind farms. way. Our belief this can be achieved has been reinforced with the winning bids of DONG Energy Borssele I B.V. and DNV GL's overarching certification report confirms that Blauwwind II C.V. for the Borssele Wind Farm Sites. Our RVO.nl receives a statement of compliance regarding proactive strategy of reducing risk and costs for developers meeting the requirements of DNVGL-SE-0190:2015-12 and operators by providing a stable market framework, (Project certification of wind power plants) with regards to taking on more of the pre-construction work ourselves, and its metocean investigations, geotechnical investigations appointing TSO TenneT to take on all the grid-connection and geological ground model, morphological investigations infrastructure responsibilities, was clearly shown to work in and wind investigation and that, in doing so, it has also those rounds. fulfilled the Site Assessment Requirements listed in IEC 4 | Netherlands Enterprise Agency Project and Site Description Hollandse Kust (zuid) - Wind Farm Sites I & II | 5 61400-22:2010-05 (Wind turbines – Part 22: Conformity We have also expanded the coverage of this PSD, incorpora- Testing and Certification). It concludes "the site-conditions ting additional useful background information that should have been established correctly and that risks and uncer- also further assist companies when they come to prepare tainties have been minimised according to state-of-the-art their project bids. This includes an overview of the methods." Hollandse Kust region and key stakeholders, plus an overview of our Dutch ports, which will prove instrumental In summary, the results of the HKZWFZ site studies indicate in helping bidders reduce cost and increase efficiency. conditions are perhaps even more favourable than at Borssele. HKZWFZ Site I and II are closer to shore than the The overall aim of our increased efforts is to further reduce Borssele sites (reducing transport distances and times for risks for developers and stimulate design optimisation in offshore wind installation vessels and maintenance crews), the tender stage. With that in mind, we very much look water depth is shallower whilst soil conditions (mostly forward to receiving cost-effective and innovative bid sand) should allow for the use of simple foundation submissions that ensure economic, social and environmen- methods (eg monopiles). Furthermore, the extreme wave tal benefits can be maximised for both the local communi- height is lower, as is the level of seabed dynamics. The ties of the Hollandse Kust region and for the Netherlands combination of these favourable parameters and the more generally. We have no doubt that once again the wind comprehensive data compiled by RVO.nl for developers to industry will rise to the challenge and make 2017 another help in the preparation of their bids means we are optimi- exciting year for offshore wind power in the Netherlands. stic that the downward cost curve for offshore wind can be maintained. 6 | Netherlands Enterprise Agency Project and Site Description Hollandse Kust (zuid) - Wind Farm Sites I & II | 7 1.1 Objectives topography), existing cable and pipeline infrastructure, 1. nearby wind farms and TenneT grid connection system. This Project and Site Description (PSD) is designed to help any party with an interest in participating in the planned Chapter 4: Site Studies - an updated overview of all the permit tender for Hollandse Kust (zuid) Wind Farm Sites I studies and measuring campaigns performed to date on the Objectives and and II (HKZWFS I and II) in the Hollandse Kust (zuid) Wind HKZWFZ, covering the following: Farm Zone (HKZWFZ) in the Netherlands. This is the final • Obstructions: Archaeological desk study, Archaeological version of the PSD and includes updated data (including assessment of geophysical survey results, UXO risk maps and tables), site investigation results, and legislative assessment desk study decisions. • Soil: Geological desk study, Geophysical survey, reading guide Geotechnical survey, Morphodynamical desk study and a This document summarises: technical note on scour • Wind and Water: Wind Resource Assessment, Metocean A description of the site, surroundings and characteristics assessment, Metocean measurement campaign.
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