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Combining Offshore Wind with Interconnectors in the Baltic Sea

This article discusses the potential of combining offshore wind energy with interconnectors in the Baltic Sea region. It highlights E.ON's expertise in offshore wind and the Nordic region's excellent offshore conditions. The article also explores specific offshore projects and the opportunities and challenges of integrating offshore wind with interconnectors.

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Combining Offshore Wind with Interconnectors in the Baltic Sea

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  1. Combining Offshore Wind with Interconnectors in the Baltic Sea Mark Porter Regional Director - Nordic EWEA Offshore Wind Conference, Stockholm 15 September 2009

  2. E.ON has a leading competence in offshore wind power 2

  3. E.ON has a leading competence in offshore wind power Offshore wind energy plays a key role in E.ON’s strategy • One of the leading companies in offshore wind energy • 3 operational offshore wind farms in UK and Denmark • 3 offshore wind farms under construction in UK, Denmark and Germany • Total of 500 MW operational and in advanced construction • Green light for London Array (1000 MW) in UK* • Project pipeline of over 3 GW • 1 billion Euros invested in offshore wind projects so far • E.ON´s experience from its various projects under very different conditions sums up to a strong offshore wind expertise *In partnership with DONG and MASDAR 3

  4. The Nordic region can be an exporter of renewable electrcity Low carbon electricity market Excellent offshore conditions • Nordic is Europes most established integrated market • Model regional wholesale electricity market – Nord Pool • Predominantly low carbon production sources (hydro , nuclear, biomass, wind) • Hydropower for balancing volatile renewable sources • Potential to export carbon-free energy to the continent • Sweden and Denmark have some of the best physical offshore sites in the world • Low average water depth allowing use of gravity foundations • Good seabed conditions • Many potential site locations • Good wind conditions • Low salt levels in the Baltic Sea The Nordic region has excellent prerequisites to be an exporter of renewable energy to other EU states via new interconnectors combined with new offshore wind production

  5. s Interconnectors can facilitate the grid connection of larger offshore wind sites 2 1 1 Offshore Project Kriegers Flak Operation planned:2014-2017 Installed effect: up to 1600 MW Conditions: 30-90 km offshore 17-40 m water depth Interconnection Baltic Wind Link 400kV SE/DK/DE 3 2 Offshore Project Södra Midsjöbanken Operation planned:2015-2017 Installed effect: ca. 1000 MW Conditions: 100 km offshore 15-30 m depth Interconnection NordBalt 400kV SE-Lithuania Potential Nordic / UK link projects 3

  6. NordBalt Project – Connecting Lithuania and Sweden Lithuania is facing a severe supply gap Shutdown of major generating capacity Weak grid interconnection with Western Europe network Need to improve security of supply and reduce dependency on fossil fuels NordBalt connects Lithuania to Sweden 350 km HVDC subsea cable of up to 1000 MW Estimated lifetime of 30 years Intended to be complete by 2016 €500 to €750 million (EU funding possible) Source: Lithuanian Electricity Association 6

  7. NordBalt – Södra Midjösbanken a key offshore project • Södra Midjösbanken is located close to the NordBalt link • Site located 100 km from Swedish mainland • Average wind speed 9,1 m/s. • Outside the territorial water but inside the Swedish Economic zone • Low environmental impact and stable geological conditions • Unique offshore development potential • Area 1: up to 1,000 MW (< 20m depth) • Area 2: up to 1,000 MW (< 30m depth) • E.ON developing the project and has begun permitting activity Södra Midsjösbanken Offshore Project Södra Midjösbanken Operation planned:2015-2017 Installed effect: ca. 1,000 MW Conditions: 100 km offshore 15-30 m depth Interconnection: SE-Lithuania NordBalt 400kV Source: Lithuanian Electricity Association 7

  8. There are huge opportunities… Combine several EU policy goals: Develop renewable energy - Integrate markets - Secure supply Take advantage of substantial cost synergies by using interconnectors also to connect wind-rich sites Enable export of renewable energy in large-scale between regional markets Enable optimisation of interregional balancing capacity Improve security of supply for Baltic states by physical connection to EU power markets (in the case of NordBalt)

  9. …but also challenges to overcome • Define suitable policy framework within multiple national jurisdictions, • e.g. renewables support mechanism and grid regulation • Offshore and interconnection projects need to be integrated technically and commercially early in the development phase • Cost of offshore wind technology and interconnectors • Find suitable technical solutions for complex far-shore projects

  10. What needs to be done to make this happen… Clear political support and investment framework Early cooperation between all players involved Pilot project to get started as soon as possible The prize is worth the effort but will take time Exploring a new perspective for Nordic and Baltic power markets

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