ABENGOA SOLAR Solar Power for a Sustainable World

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1 We develop and apply solar enegy in order to combat against climate change and assure a sustainable development

2 Índice 1 Abengoa 2 Abengoa Solar commitment 3 Abengoa Solar today and tomorrow 2

3 Índice 1 Abengoa 3

4 Overview Abengoa is a technology company applying innovative solutions for sustainable development in the infrastructure, environment and energy sectors. Mature Profitable Focused Global Large Public Founded 1941 Sales and Gross Cash Flow in 2006 of 4 billion US $ and 435 M$, respectively Innovative Solutions for long term Sustainability Present in more than 70 countries, 55% of business outside Spain Over 23,000 employees Quoted on the Madrid Stock Exchange (ABG) 4

5 Abengoa Five companies, one of them is Abengoa Solar Abengoa Abengoa Solar Bioenergy Befesa Telvent Abeinsa Solar energy Bioenergy Environmental services Information technologies Engineering and construction International leader on solar power plants 12 MWs in operation 120 MWs under construction Hundreds of MWs under development Only bioethanol producer on the three key geographies First European producer Fifth largest producer in USA One of the largest producer in Brazil International leader on industrial waste treatment, as well as in the water management field International leader in IT for the energy, traffic, transport and environmental sectors Leader in Spain and South America in engineering and construction projects and EPC. Ranked as the third largest international power contractor (ENR) 5

6 Abengoa ABENGOA SOLAR International leader in solar power plants aiming to develop hundreds of MW on the coming years. More than 20 years commitment on the solar technology development Two domestic markets (Spain and USA) and expanding towards other markets (i.e. Algeria, Morroco) Proprietary technology development (Parabolic trough, Tower, thermal storage, concentrated photovoltaics and other technologies) Our company is composed by the best experts acknowledge internationally, with an experience and knowledge with no competence. Our plants: Solar park of 300 MWs under construction in Spain (Solúcar Platform ) First commercial power tower worldwide in operation (PS10) Largest low concentration photovoltaic plant (Sevilla PV) First and second worldwide integrated Solar Combined Cycle Plants under construction in Algeria and Morocco Parabolic trough plant under construction (50 MWs) 6

7 Índice 2 Abengoa Solar commitment 7

8 Abengoa Solar commitment Our world today Scientifics claim that climate change is a reality Acid rain Ozone Layer Destruction Greenhouse effect Climate Change Energy management 8

9 Abengoa Solar commitment Our world tomorrow in Abengoa we think that is time to develop and apply solutions An augment of 36% in CO 2 emissions An augment of 34 % on world energy demand That 82% of the primary energy supply will be source from fossil fuels It is appropriate to foster the rational use of energy together with the adoption of renewable energies in order to reduce the climate change and ensure a sustainable development. 9

10 Abengoa Solar commitment The solution for power generation The energy of the future will be based on the sun Sustainable development Clean, low emissions and distributed technology Solar Power is mature technology Photovoltaics can be used everywhere as a central or distributed solution Concentrated Solar Power as a lower cost solution for large plants. Considered firm Considered as firm power as energy can be stored or combined with gas Still more expensive than fossil but it will soon be competitive with conventional (learning curve and CO 2 penalties) Substitute for fossil fuels The solution to the economic volatility, drought and carbon limits Favorable policies Driven by climate and energy security, either feed-in or percent targets 10

11 Abengoa Solar commitment The solution to power generation and its thermal and photovoltaic use Just Just using using 2% 2% of of the the radiation radiation that that reaches reaches the the world world desertic desertic area, area, we we could could satisfy satisfy current current world world energy energy needs needs The The solar solar energy energy that that intercepts intercepts the the Earth Earth during during ten ten days days is is more more than than the the energy energy stored stored in in all all the the fuel fuel reserves reserves (gas, (gas, oil oil and and coal) coal) Concentrated Solar Power Technology Develop Design Build Operate CSP electricity plants Tower Trough ISCC Customized industrial installations Trough Photovoltaic Technology Develop Design Build Operate Photovoltaic electricity plants Fixed Tracker Concentration Singular projects, roofs and BIPV Conventional PV Thin film 11

12 Our mision Develop and apply solar technologies to fight against climate change and assure a sustainable development Abengoa Solar commitment Our vision To become a international reference on the sustainbale development, with a proprietary technology competiive to fossil fuel For a Sustainable World We develop and apply solar energy technologies 12

13 Index 3 Abengoa Solar today and tomorrow 13

14 Abengoa Solar today Abengoa Solar evolution After more than 20 years of research Beginnings 1987: Heliostat and facets for Cesa Tower and facets for Weizmann institute in Israel 1983: Creation of IST in USA. IST aims to apply trough technology for industrial installations New own heliostat design (Colón 70, Sanlúcar 90 y Sanlúcar 120) Development of new receiver concepts (Sirec, Hitrec, Solair) Concerning trough,r+d projects as Inditep, Sattub 2007 Creation of Abengoa Solar in USA Solúcar Platform inauguration (300 MW) Solnova1 under construction, 50 MW trough plant First Integrated Solar Combined Cycle in Argelia. Construction of seven Stirling Dishes (own design) 90 s 1993: Turnkey project Toledo PV 1994: R+D projects related to central receiver (Solgas, Colon Solar) Between 1995 and 2000: Several R+D projects, Theseus, Eurotrough, Eurodish, DISS Own trough technology developed by IST PS10 starts, first commercial tower worldwide Sevilla PV inauguration, largest low concentration PV plant Trough demonstration plants Creation of Abengoa Solar New Technologies (R+D) 14

15 Abengoa Solar today International presence Abengoa Solar is nowadays an international company USA Spain Morocco Algeria Plants and installations Offices 15

16 Concentrated Solar Power dealing with key technologies within the solar field Abengoa Solar today The technology Operating principle: Generally speaking, CSP technology is based on solar radiation concentration to produce steam or hot air which could then be used on conventional electric plants. Solar energy capture, which has a relatively low density, is one of the main challenges on the development of solar plants. For concentration, most of the systems use mirrors due to their high reflectivity Oil High pressure water or air Main components Concentrator: Different optics elements as mirrors, concentrate the sun on a point or a line where the receiver is located. Receiver: The receiver collects the concentrated sun rays and transfers the energy to a heat transfer fluid. Evaporator: At the evaporator the heat transfer fluid transfers heat the water that becomes steam Turbine: The steam moves the turbine producing electricity as a conventional cycle. Receiver Steam Electricity Heat transfer fluid Concentrators Evaporador Water Heat 16

17 Storage The most used technology Abengoa Solar today The technology dealing with key technologies within the solar field Power block Operating principle: Two molten salt tanks are used System is charged by taking hot HTF from the solar field and running it through the storage heat exchangers. Simultaneously, cold molten-salt is taken from the cold storage tank and run counter-current through the heat exchangers When electricity is needed, the system simply operates in reverse to reheat the solar HTF, which generates steam to run the power plant. Hybridization The most used technology is ISCC= Integrated Solar Combined Cycle ISCC= Combine cycle + Solar field Operating principle: The heat coming from the solar field is used as extra energy for steam production on the combine cycle. Thereby the fuel is partly substituted by the solar resource 17

18 Abengoa Solar today The technology dealing with key technologies within the solar field Photovoltaic technology Operating principle: When certain materials, called semiconductors, are exposed to solar rays, electrons from the valence band could be excited to the conduction band. The physical structure of the semiconductor creates an electric field which sets the electrons path, thus generating direct electric current. Main components Optics: Different optic elements, such as mirrors, Fresnel lens, etc., concentrate the solar radiation onto a point where the photovoltaic cell is located. Photovoltaic Cell: is the element where the photovoltaic effect takes place, producing direct current. Inverter: Transforms direct current coming from the cell into alternating current. Solar Tracker: In order to enhance the system's efficiency, the solar tracker has the function to orientate the photovoltaic module towards the sun. Photoelectric effect sketch Concentration optics Direct current Inverter Photovoltaic module and tracker Alterning current Grid Alterning current From the sun to our houses 18

19 Abengoa Solar today The Solar market today proven and mature technologies Concentrated Solar Power CSP- Concentrated GWs worldwide Solar Power installed worldwide7 GWs ~ 8 GWs US Europe Other Photovoltaics installed capacity worldwide ~ 7 GWs e Photovoltaics 0,4 GWs 0,4 GWs Alemania Germany Japón Japan EEUU USA España Spain Australia Resto Operation Construction Development Total Installed 19

20 Abengoa Solar tomorrow The Solar market tomorrow and with an indisputable potential Solar energy will be key for future energy generation It is foreseen that 4% of the electricity worldwide will come from solar resource by 2020 GWs Solar Ocean energy Geothermal Bioenergy Wind Hydropower CHP Gas Oil/Diesel Coal Lignite Nuclear 2020 Photovoltaics= 200 GWs CSP= 30 GWs Year Electricity market share forecast by 2020* *Greenpeace / EREC Energy [r]evolution 20

21 CSP Technology I Parabolic Trough the Concentrated Solar Power Technology Operating principle: The parabolic troughs are used to track the sun and concentrate sunlight on to the thermally efficient receiver tubes placed in the trough focal line. In these tubes, a thermal transfer fluid is circulated, such as synthetic thermal oil. This oil is then pumped through a series of heat exchangers to produce steam. The steam is converted to electrical energy in a conventional steam turbine generator. Main components: Reflector Absorber tube Tracking system Structure Characteristics: The most mature solar technology Large potential with new heat transfer fluids and direct steam generation Energy could be stored (molten salt) Could be hybridized with fossil fuel (ISCC) 21

22 CSP Technology I Power Tower.. the Concentrated Solar Power Technology.. Dish Stirling Funcionamiento: Calentamiento de un fluido localizado en el receptor. Esta energía es utilizada This energy para is la then generación used de to energía produce por electricity motor o by la the microturbina Stirling engine Características: Characteristics: Operating principle: A circular array of heliostats (2 axis tracking mirror) is used to concentrate sunlight to a central receiver mounted on the top of a tower. A heat transfer medium in this receiver absorbs the highly concentrated radiation and coverts it into thermal energy to be used by a turbine. Main components: Heliostats Tower Receptor Characteristics: High temperatures High yields High temperature tower under development will lead to best efficiency and costs Operating principle: A fluid located in the receptor is heated by the concentrated rays. Rendimientos más altos High efficiencies but still lots of challenges to overcome Gran potencial de uso de turbinas y uso de liquido metálico en el receptor Large potential with microturbines and metallic liquid as heat transfer fluid 22

23 Photovolatic Technology I Thin film and the Photovoltaic Technology Amorphous Silicon Cadmium telluride Types Amorphous Silicon (Efficiency ~ 6-7%) Manufactured at low deposition temperature, allowing several low cost substrates Monocrystalline Silicon (Efficiency ~ 9%) Reaches higher yield than amorphous Silicon Cadmium Telluride (TeCd) (Efficiency ~ 8-10%) CIS/CIGS (Efficiency ~ 10-11%) TiO 2 (Efficiency~ 6-7%) Several manufactures techniques, promising feature for large scale production Reductions on material costs Great optical proprieties and low costs CIGS 23

24 Photovolatic Technology II Crystallized Si Monocrystelline Si Thin film Polycrystalline Si Concentration Concentración GaAs with Fresnel lens Types Types and the Photovoltaic Technology Monocrystalline Silicon (Efficiency ~ 15%) Crystallised in ingots Uniform color Polycrystalline Silicon (Efficiency ~ 13%) Low cost Silicon Ribbon Silicon (Efficiency ~ 12%) Manufactured from molten silicon High efficiency Silicon (Efficiency ~ 17%) Rendimiento alto, coste alto. High efficiency Silicon (Efficiency ~ 17%) Mucho potencial de mejora. GaAs multijunction (Efficiency ~ 30%) Each layer El is made seguidor of a different es necesario. material, which usually is a III-V semiconductor, and absorbs a different portion of the spectrum. 24

25 Abengoa Solar today We develop, build and operate CSP plants Solúcar Platform 300 MW from Concentrated Solar Power Will avoid around 185,000 Tm de CO 2 per year Will feed around 153,000 households (Seville) First commercial power tower worldwide (11 MWs in operation). 70 MW of Concentrated Solar Power under development Another 320 MW under development in Solúcar Platform and Ecija Two first ISCC plants (Integrated Solar Combined Cycle) one in Algeria and Morocco. International development Proprietary technology. 25

26 Abengoa Solar today We develop, build, and operate CSP plants PS10 Power tower technology Power: 11 MWe Heliostat Sanlúcar 120 PS20 (20 MW) in construction Solnova 1 Trough Technology Power: 50 MWe Solúcar TR Collector 24,3 GWh that will feed 5,500 households 6,700 Tm of CO 2 avoided. 624 heliostats of 1,300 ft 2 each (120 m2). Power tower of 330 ft (115 m). Land requirement of 150 acres (60 ha). Possibility to burn % from natural gas. 114,3 GWh that will feed 25,700 households. 31,200 Tm of CO 2 avoided Proprietary Technology: Solúcar TR Total reflective area 74 acres (300,000 m 2 ) Land requirement of 300 acres (120 ha). 26

27 Abengoa Solar today as well as industrial and commertial installations Ceiling installation, Texas Solar collectors installed in a ceiling 420 m 2 from proprietary technology RMT 210 kwt for hot water and air conditioning We apply solar technology to any kind of heat processes Roof and soil installations. Millions of kwt installed in the US. First projects in Spain. Development of proprietary technology. 27

28 Abengoa Solar today From photovoltaic technology we build installations and plants Largest low concentration photovoltaic plant worldwide Power 1,2 MW Seville PV Proprietary technology: Seville PV Dozens of MWs under development in Spain Market positioning. Partnerships with photovoltaic companies. R&D collaborations with institutions and universities. 28

29 Abengoa Solar today as well as photovoltaic roofs, singular projects and building integrated photovoltaics (BIPV) Pérgola Forum de Barcelona 445 kwp from photovoltaics 2668 modules Generates 560 MWh per year First PV roofs in Spain Development of New Technologies 29

30 Abengoa Solar today Big efforts in R&D Dish Striling PV laboratory Demonstration plant of 8 discos Stirling proprietary technology (10 kw each) Own laboratory for technology assessment and development Trough: Demonstration plant Trough: Improvements in tubes and structure for direct steam generation Power Tower: High temperature. Dish Stirling: Research plant. Thermal storage: Demonstration plant. Photovoltaic concentration Hybridization: Biomass-Sun. Solar Hydrogen. 30

31 Abengoa Solar tomorrow aiming to become a World Reference in Solar Energy Our 2020 vision Concentrated Solar Power World reference on CSP plants. Offer customized solution for any industrial needs Provide the world with our own technology Sustainable Development World reference Photovoltaic To become an reference in the photovoltaic field Provide energy autonomy to the housing Develop a technology capable to be competent with fossil fuels Thousand of MWs from Solar Energy Avoid millions of CO 2 emissions 31