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Alstom’s Solar Offer WFES, Abu Dhabi

Alstom’s Solar Offer WFES, Abu Dhabi. Vilmos Wolff 17 January 2013. Alstom’s offer. Alstom: A large portfolio of solar thermal solutions. Design & Development. Full component supply. Engineering, Construction, Procurement. Operation & Maintenance. Engineering Feasibility study

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Alstom’s Solar Offer WFES, Abu Dhabi

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  1. Alstom’s Solar OfferWFES, Abu Dhabi Vilmos Wolff17 January 2013

  2. Alstom’s offer

  3. Alstom: A large portfolio of solar thermal solutions Design & Development Full component supply Engineering, Construction, Procurement Operation & Maintenance • Engineering • Feasibility study • Financial coordination • Permitting • Grid planning • Complete power island • Turbine • Generator • Solar receiver steam generator • Heat Exchangers • All component & material sourcing • Manufacturing • Transport & assembly • Optimized solutions covering: • Solar concentration & collection • Power block • Distributed control systems • Piping, valves & power island Balance of Plant • Electrical cabling, high voltage power export and grid connection • Civil engineering & plant construction management • Result presentation • Result documentation • Project review • Evaluation of project course • Archiving new collected experience Comprehensive solutions along the project lifecycle

  4. Reliable & trusted partners EPC: >50 GW of steam projects IB: largest ST fleet globally O&M: 17‘000 people History: >100 years in market place • Most experienced Solar Experts: • 350MW CSP plants in operation • largest PPA pipeline Key characteristics • 130-150 MW / >300 GWh p.a. stable power output • 300 local jobs created during construction

  5. Highest arrangement flexibility Arrangement flexibility Effective optimization of solar field including any geographical boundaries constraints including: - ownerships - difficult soils - site to be excluded Topographical flexibility • No need for leveling within the solar field! • - heliostats can be mounted on slopes with up to 5% gradient • Minimum access ways for installation and cleaning maximized valuation of land made available

  6. Lowest environmental impact Low impact construction • Only minimal foundation required • Fully reversible structure at end of life • Untouched surroundings, no wiring of heliostats • Highly effective installation (minutes range) Low water usage • Low water consumption due to partially automated brushing / water cleaning cycles • Dry Cooling on power block to minimize water usage

  7. Integration solar field & power block Storage Heliostats Power Block Solar field control system Solar Receiver Steam Generator Air Cooled Condenser DCS Integrated solution to optimize plant performance

  8. Direct Steam + StorageThermal energy storage system: Basic scheme • Low temperature (up to 400°C) • Proven operation in solar trough plants (Spain and elsewhere) • Equipment available from experienced suppliers Classic two-tank proven and reliable technology

  9. Solar Hybrids has compelling value proposition… Boost – Solar in conventional ST plant • Solutions for GT/CC and ST plants • Increase of renewable energy, decrease of CO2 emissions and fuel saving • Generation of “dispatchable” electricity without need for storage • Reduced CAPEX for same output • Leverage existing power block and grid access by maximising utilisation • Synergetic benefits for new plants: • Higher efficiency, increased operational flexibility (ISCC), max. staff utilisation • … but adequate tariff structure needed Solar: 30- 50 MW / ~ 5% renewable share ISCC – Integrated Solar Combined Cycle Solar: 50 - 100 MW / <30% renewable share An economic solution for cleaner fossil power

  10. Solar plant:Opposite characteristic Solar Power Power from Solar Field 12:00 24:00 0:00 • Possible operation modes • Solar Boost • Fuel Saver ISCCPower CC power Additional power ISCC Power Fuel Saving 12:00 24:00 0:00 12:00 24:00 0:00 Hybrid Operation modes CC Power CC load • Combined cycle power plant: Less power at high temperature 12:00 24:00 0:00 (remark: graphs not to scale) Ideal combination: More power or less fuel

  11. Summary of three utility scale offerings 15% to 30% Gas >50% Gas No Gas Unit for peak shifting 15% fossil co-firing ISCC ~ >500 MW output up to 25% Solar Capacity • Units of 130 MWel output • >300 GWh production • Night peak power contribution for up to 3-4 hrs at full load • No Gas necessary • Green production share: 100% • Dry cooling • Units of 130 MWel output • > 300 GWh production • Increased dispachabiltiy • Possible night operation ifsufficient gas available • Green production share 85% • Dry cooling • Units of 500 MW ISCC Power • >100 MW / >230 GWh Solar • Full dispachability, grid stabilizing integration • Highest gas conversion efficiency up to 80% • Green production share: 5%-10% • Island operation • Dry cooling

  12. www.alstom.com/power

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