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Innovative technologies ready for the Supergrid

1 Presented by Dr. Magnus Callavik, ABB (Convenor of WG 2 - Technology) and Dr. Sven Achenbach, Siemens Participants: Ana Aguado, (FOSG), Gerald Sanchis ( RTE)

The Roadmap to the Supergrid Technologies EEF lunchtime discussion Feb 6, 2013 in Strasbourg

The Friends of the Supergrid

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The Friends of the Supergrid

The Supergrid

● A pan-European transmission network facilitating the integration of large-scale renewable energy and the balancing and transportation of electricity, with the aim of improving the European market".

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The Friends of the Supergrid is a group that have a special insight into the technology with a mutual interest in promoting and influencing the policy and regulatory framework required to enable large-scale interconnection in Europe

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Introducing the updated Roadmap to Supergrid Technologies

what technology is currently available what is on the horizon what common standards are needed

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“1st Roadmap Technology“ Report in March 2012 download: www.friendsofthesupergrid.eu

1. Applications for Supergrid 2. Network Technologies for Supergrid 3. Scenarios for the Development of Supergrid

Preamble Report update in March 2013 1. Recent developments confirm the roadmap scenario 2. To be presented at FOSG conference March 19

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Developing Supergrid- Why ? Boundary Conditions and Phases

● Renewable energy starts replacing older coal fired power plants and nuclear (e.g. Germany)

● Large scale wind parks become connected (500...1,000 MW) near shore using AC; far shore using DC

● The existing transmission system reaches its limits, planning is underway for system strengthening and expansion Studies (examples): Offshore Grid, Climate Foundation 2050 Road Map, North Seas Countries Offshore Grid, 2050 Electricity Highways, German NEP

Today – 2015 (Supergrid Preparation Phase)

● Further development of far shore bulk power wind parks (some 1,000 MW)

● Phasing out of coal fired and nuclear power plants continuous

● Balancing generation and load calls for stronger system integration on a European level

● To achieve the required flexibility of power flows and facilitate power trading, offshore wind parks are connected to one another and tapped into cross country links

● A common European Grid Code is developed providing a basis for pan-continental system planning

2015 – 2020 (Supergrid Phase 1)

● The system integration process is continued leading to a European wide overlay grid.

● The overlay grid, mainly based on DC, is built to interconnect wind parks and pumped hydro storages in the North as well as large scale solar power plants in the South with the European load centres.

● Trans-continental power transmission is planned to connect to the solar power plants in the African desserts or to Eastern Europe and even Asia.

After 2020 (Supergrid Phase 2)

Recent Key Developments Technical landmarks

● DC current interruption enable planning of the HVDC Supergrid now. Building blocks Hybrid HVDC Breaker and Half bridges

Full bridge with fast switches

● Capacity increase in cable factories, ships, production and engineering facilities are announced Gearing up for anticipated larger future volumes

● The number of interconnection and embedded HVDC links in construction increases rapidly with higher power ratings E.g. South-West link SE, EWIP IR-UK, INELFE FR-ES, Western

link UK

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Challenges and Opportunities

● Large-scale utilization of renewable energies on an European level and a common electricity market require European transmission system integration (system planning & construction, regulation, operation)

● Technology is not a show-stopper but further development is necessary for competitive supply chains in the field of HVDC and offshore grids

● Funding schemes are an important contribution to support the development of innovative transmission solutions

● Innovative transmission solutions are a key factor for the European industry, that already accommodates the market leaders in HVDC, a large installed base and rapid development of production facilities

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Development Roadmap. Key achievements already in “year 1”

√ Increased power ratings for VSC (1,000 MW at 320 kV DC)

√ Demonstrators for DC side fault clearing (e.g. DC Circuit Breakers)

√ MI-PPL 600kV (1.1GW per cable) developed and higher voltages in development

√ Standardization work for HVDC grids in CIGRÈ, CENELEC started

√ AC GIL in operation

● DC 320 kV cables with extruded insulation in operation at different onshore and offshore projects (500 MW per cable)

● DC cables with extruded insulation >320 kV developed

● MI >500 kV cable developed

2012 – 2015 (Supergrid Preparation Phase)

2015 – 2020 (Supergrid Phase 1)

After 2020 (Supergrid Phase 2)

● DC cables with extruded insulation >320 kV in operation

● MI-PPL 600kV cable in operation

● MI >500kV in operation

● Development of new extruded insulation compounds for HVDC cables

● System for fast selective fault detection in HVDC networks

● DC side selective fault clearing and system reconfiguration

● Hierarchical control architecture for integrated AC and DC Grid in Europe

● Demonstrators for DC/DC Converter

● Further Development of MI and MI-PPL Cables

● HVDC cables with new extruded insulation compounds in operation

● Superconducting cables

● DC GIL

● DC/DC converter

Recent key reports and activities towards the Supergrid

● First HVDC Grid Reports in final format from CIGRE and CENELEC Several new working groups started also this year on

preferred voltage levels and functional specifications

● ENTSOE has started working on HVDC Grid Codes on directive from ACER

● EC E-Highway2050 project launched

● North sea off-shore grid (NSCOGI) first report

● German Grid Master plan 2012. VSC-HVDC is the choice for using overhead line corridors from North to South

● Swedish Grid Development plan with embedded and cross-country HVDC Grid connections North-South, West-East

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Five-Year Scenarios for Developing Supergrid

Pessimistic Intermediate Optimistic

New harmonization, support schemes and a Supergrid

business model will be delayed.

Only regional DC can be planned and commissioned.

New grid codes and harmonized support schemes

in force.

Several interregional onshore and offshore multi-terminal

schemes are tendered. (Operation by ~2017)

EU changes rules and regulations to promote formation of Supergrid.

The first multi-terminal schemes taken into operation are prepared to be connected to each other in a larger pan-

continental scheme.

Technology development will be slow

New technical improvements will come

continuously.

To be pre-qualified for Supergrid operation,

suppliers have taken a major step forward in

voltage and power levels of VSC Transmission by

2020.

Developments have started

What can you do?

● Push for political support at National level

● Push for fast real implementation of the upcoming new regulation on TENs

● Harmonisation of regulatory frameworks /new regulation will be necessary?

● Support for large demonstration projects with all stakeholders involved

● Educate the public on the economic benefits of the Supergrid in terms of job

creation and sustainability

● Ensure open markets for industry participation in the development,

construction, ownership and operation of the Supergrid

● Engage the financial investment community to assist in structuring bankable

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Thank you and welcome to our conference No Transition without Transmission 19 March 2013, Brussels More information: www.FriendsoftheSupergrid.eu

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