Dr. Brice Koch, Head of Power Systems, Member ABB Group Executive Committee, Hanover April 23, 2012 HVDC a key technology enabler Shaping the

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1 Dr. Brice Koch, Head of Power Systems, Member ABB Group Executive Committee, Hanover HVDC a key technology enabler Shaping the evolving grid

2 Who is ABB? A global leader in power and automation Power Products Power Systems Discrete Automation and Motion Low Voltage Products Process Automation $10.3 billion 35,000 employees $7.7 billion 19,500 employees $8.4 billion 27,500 employees $5 billion 21,000 employees $7.8 billion 28,500 employees Power generation, transmission & distribution Solutions for utilities & industry Energy efficiency solutions for process industries, factory automation and building & construction $38 billion revenues 135,000 employees in ~100 countries ; headquartered in Zurich, Switzerland Over $1.3 billion invested in R&D annually ; 7,500 scientists and engineers

3 Relevant mega-trends 12 priority growth areas and ABB strengths Relevant Megatrends Resource Economics Green Urbanization Emerging economies & power shift Transportation/ mobility Electrification Digital Information 12 priority growth areas 1. Geographic market penetration 2. Renewable generation 3. Smart Grid 4. Oil & Gas frontiers 5. Data Centers 6. Service 7. Energy Efficiency 8. Software 9. Leader in Industrial Automation 10. Mechanical equipment 11. Power Electronics 12. DC Technology & application ABB strengths Portfolio across power & automation Technology leadership Performance driven organization Global presence Experienced and diverse leadership Solid balance sheet, strong cash flow

4 The challenge we face Need for more power with lower environmental impact Renewables integration Grid interconnections More power Electric vehicles Network management, control & cyber security Demand management Power quality

5 The transmission grid becomes increasingly important Continued development of AC and DC technologies Different technologies :Same power transmitted Traditional overhead line with AC Overhead AC line with FACTS* Transmission capacity (MW) 6,000 4,000 2,000 HVDC Classic Voltage Capacity Voltage kv 200 Capacity up 6 times since 2000; Voltage up from +/- 100kV to +/- 800kV since Losses 2000 Longer transmission distances HVDC Light Capacity 2010 Capacity up 10 times; losses down from 3% to 1% per converter station since 2000 Losses % 3 1 HVDC (high voltage direct current) Classic overhead line More power - lower losses - reduced cost per megawatt (MW) Development of power electronics, cable and semiconductor technology Underground line with HVDC Light or AC cable

6 HVDC - a key transmission enabler ABB pioneered HVDC in the1950s Integration of remote renewables and transmission to distant load centers (eg. hydro, wind, offshore wind, large scale solar etc.) Grid interconnections to balance loads and facilitate power trading Power supply to islands Shore supply to offshore platforms City center in-feed Embedded DC to reinforce AC networks Enabling stronger, smarter and more flexible grids

7 ABB has more than half of the145 HVDC projects The track record of a global leader Nelson River 2 CU-project Vancouver Island Pole 1 Rapid City Square Butte Pacific Intertie Pacific Intertie Upgrading Pacific Intertie Expansion Intermountain IPP Upgrade Blackwater Highgate 58 HVDC Classic Projects since HVDC upgrades since HVDC Light Projects since 1997 Châteauguay Outaouais Quebec- New England EWIC English Channel Dürnrohr Sardinia-Italy Sapei Cross Sound Mackinac Eagle Pass Sharyland Rio Madeira Itaipu Inga-Shaba Caprivi Link Hällsjön Troll 1&2 Troll 3&4 Skagerrak 1-3 Skagerrak 4 Valhall NorNed Konti-Skan Tjæreborg BorWin1 DolWin1 Dolwin 2 Apollo Upgrade Cahora Bassa Brazil-Argentina Interconnection I&II Italy-Greece Chandrapur Phadge Vizag II Rihand-Dadri Vindhyachal North East Agra FennoSkan 1&2 Estlink Gotland 1-3 Gotland Light NordBalt SwePol Baltic Cable Kontek Hülünbeir- Liaoning Lingbao II Extension Three Gorges-Changzhou Three Gorges-Shanghai Sakuma Gezhouba-Shanghai Xiangjiaba-Shanghai Jinping - Sunan Three Gorges-Guandong Leyte-Luzon Broken Hill New Zealand 1&2 Directlink Murraylink

8 ABB s track record of HVDC innovation Many firsts some examples China Germany Norway- Netherlands World s longest / highest power capacity - first 800 kv commercial link - Norway Integrating the world s most remote offshore wind farm Australia World s longest underwater power link Namibia World s first offshore platform connected to shore power World s longest underground cable link World s first HVDC Light on an overhead line

9 ABB s unique position in HVDC In-house converters, semiconductors, cables Semiconductors Converters HV cables Recent investments HVDC simulation and test centers-sweden ~$200 mn Semiconductors-Switzerland ~$90 mn HV land cables US ~$400 mn HV sea cables Sweden

10 HVDC limitation today - point to point power highways No entry or exit points - a major hurdle Europe China Desertec From joining the dots to connecting the lines

11 ABB s DC grid vision first conceived in 1999 Now a shared vision Hydro power Solar power Wind power DC transmission Wind 300 GW ; km x 10 km Hydro 200 GW Future developments Multi-taps Multiterminal links DC grids Mixed AC/DC grids Technology gaps to close DC breaker Control and protection Power flow control Other gaps to close Political consensus Solar 700 GW ; 8000 km 2 90 x 90 km Regulatory framework Funding models Technology will not be a stumbling block planning can start!

12 125 year legacy of power technology innovation Keeping the heritage alive /91 Origins ASEA /BBC - first to transmit HV AC power First HV oil circuit-breaker Frst steam turbine in Europe First combustion gas turbine for generating electricity. Gotland, Sweden -first commercial HVDC Itaipu,Brazil - world s largest hydro power plant 2002 Murraylink, Australia - world s longest u/ground cable 2008 NorNed - world s longest / most powerful sub-sea HVDC link Jingmen, China kv gas insulated switchgear Borwin 1- world's most remote offshore wind farm connection Xiangjiaba-Shanghai - longest UHVDC link >2000 km DC Grid? On the verge of writing yet another chapter in the history of power!

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