Off Shore Renewable Energy Sources - IDAE by Mikiozas

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									       I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                           CARMEN Mª ROA TORTOSA
                                                                           Hydroelectric, Sea Energy and Geothermal Department
                                                                           IDAE




    Off-shore Renewable
       Energy Sources
      CARMEN Mª ROA TORTOSA
      Hydroelectric, Sea Energy and Geothermal Department – IDAE
     Ministry of Industry, Tourism and Trade



                                                                                   Renewable Energy and the Sea- Technological Innovation
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                                                                                   Off Shore Renewable Energy Sources




       I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                           CARMEN Mª ROA TORTOSA
                                                                           Hydroelectric, Sea Energy and Geothermal Department
                                                                           IDAE


1. INTRODUCTION                                                   OCEAN AS AN ENERGY SOURCE



   Ocean´s energy as an alternative source
   Ocean´                                                                                 Energy Field


     Ocean is the most field of Energy

     Never-              Source,
     Never-ending Energy Source, quite wasted at present

      It works as a Energy Battery

Area: 361 M sKm ( Km2)
Area:
Volume: 1370 M cKm (Km3)
Volume:


                                                                                   Renewable Energy and the Sea- Technological Innovation
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                                                                                   Off Shore Renewable Energy Sources




                                                                                                                                                    1
         I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                             CARMEN Mª ROA TORTOSA
                                                                             Hydroelectric, Sea Energy and Geothermal Department
    THE OCEAN AS A SOURCE OF                                                   HARNESSING WORLD OCEAN ENERGY
                                                                             IDAE
            ENERGY


                                                     SEA ENERGY




                                                                               THERMAL                   SALINITY
             TIDAL              CURRENTS                  WAVE
                                                                               GRADIENT                  GRADIENT




  BIOFUEL
FROM ALGAE                                                                                                                   OFF-SHORE
                                                                                                                            WIND ENERGY




                                                                                     Renewable Energy and the Sea- Technological Innovation
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                                                                                     Off Shore Renewable Energy Sources




         I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                             CARMEN Mª ROA TORTOSA
                                                                             Hydroelectric, Sea Energy and Geothermal Department
    THE OCEAN AS A SOURCE OF                                                   HARNESSING WORLD OCEAN ENERGY
                                                                             IDAE
            ENERGY


                                                     SEA ENERGY




                                                                               THERMAL                   SALINITY
             TIDAL              CURRENTS                  WAVE
                                                                               GRADIENT                  GRADIENT




  BIOFUEL
FROM ALGAE                                                                                                                   OFF-SHORE
                                                                                                                            WIND ENERGY




                                                                                     Renewable Energy and the Sea- Technological Innovation
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                                                                                     Off Shore Renewable Energy Sources




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       I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                           CARMEN Mª ROA TORTOSA
                                                                           Hydroelectric, Sea Energy and Geothermal Department
SEA ENERGY WORLD DISTRIBUTION                                              IDAE




                                                                                   Renewable Energy and the Sea- Technological Innovation
                                                                                                                                            Pag.5
                                                                                   Off Shore Renewable Energy Sources




       I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                           CARMEN Mª ROA TORTOSA
                                                                           Hydroelectric, Sea Energy and Geothermal Department
DEVELOPMENT PHASES                                                         IDAE




Phase 1: concept formulation


Phase 2: validation and design model


Phase 3: process model


Phase 4: full scale prototype



Phase 5: Commercial demostration


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                                                                                   Off Shore Renewable Energy Sources




                                                                                                                                                    3
        I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                            CARMEN Mª ROA TORTOSA
                                                                            Hydroelectric, Sea Energy and Geothermal Department
       MATURITY OF                                                             Different
                                                                            IDAE                Stages of Development
      TECHNOLOGIES




                                                                                           Fuente: IEA-International Energy Agency, 2006


                                                                                    Renewable Energy and the Sea- Technological Innovation
                                                                                                                                             Pag.7
                                                                                    Off Shore Renewable Energy Sources




        I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                            CARMEN Mª ROA TORTOSA
                                                                            Hydroelectric, Sea Energy and Geothermal Department
                                                                            IDAE
  OCEAN THERMAL ENERGY
THERMAL GRADIENT: The temperature difference between surface and bottom is
                                                  water.
the result of solar radiation incident on the sea water.

OBJET: Energy generation frorn OTEC.


                      Cycle:                                          20º
Rankine Thermodinamic Cycle: Thermal energy conversion needs at least 20ºC
      difference.
water difference.




                                                                                    Renewable Energy and the Sea- Technological Innovation
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                                                                                    Off Shore Renewable Energy Sources




                                                                                                                                                     4
        I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                            CARMEN Mª ROA TORTOSA
                                                                            Hydroelectric, Sea Energy and Geothermal Department
                                                                            IDAE
 OCEAN THERMAL ENERGY
                                                                            Themal           Power             Plant          conceptual
                                                                            scheme




OTEC Plant Conceptual Scheme




                                                                                    Renewable Energy and the Sea- Technological Innovation
                                                                                                                                             Pag.9
                                                                                    Off Shore Renewable Energy Sources




        I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                            CARMEN Mª ROA TORTOSA
                                                                            Hydroelectric, Sea Energy and Geothermal Department
                                                                            IDAE
 OCEAN THERMAL ENERGY                                                              CLASSIFICATION


        Conventional:
   OTEC Conventional:

    1. Close Cycle                             With secondary fluid                              electricity

                                                Elé
                                                Eléctricity

    2. Open Cycle                               Desalination
                                                Hybrid

    3. Híbrid Cycle                             Elec. + Desalination + other uses


   High Temperature OTEC:


                                                                                    Renewable Energy and the Sea- Technological Innovation
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                                                                                    Off Shore Renewable Energy Sources




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          I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                              CARMEN Mª ROA TORTOSA
                                                                              Hydroelectric, Sea Energy and Geothermal Department
                                                                              IDAE
OCEAN THERMAL ENERGY                                                           TECNOLOGY TYPES
Flotante Lockheed                                                                       Central Maremotérmica TRW
                                Platform OTEC plant
Self mounted tower




                                                                                              On shore land based

                       Floating vessel plant




                                                                                      Renewable Energy and the Sea- Technological Innovation
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                                                                                      Off Shore Renewable Energy Sources




          I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                              CARMEN Mª ROA TORTOSA
                                                                              Hydroelectric, Sea Energy and Geothermal Department
                                                                              IDAE
 CURRENT ENERGY
Harnessing of the Kinetic energy of the sea currents


 High water density versus wind.

 Less room size for turbines and blades.

 Hlows > 8m/s.

 Complex designs.


                                                                                   Anchoring Structure

                         Axial Rotor
  Rotor Types
                         Cross flor Rotor




                                                                                      Renewable Energy and the Sea- Technological Innovation
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                                                                                      Off Shore Renewable Energy Sources




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          I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                              CARMEN Mª ROA TORTOSA
                                                                              Hydroelectric, Sea Energy and Geothermal Department
                                                                              IDAE   TECNOLOGY TYPES
 CURRENT ENERGY
                                                                                                Seaflow, Costa de Lynmouth
  Lunar Energy                                     Hammerferst




       Blue Energy
                                               Open Hydro                                    Seagen, Costa de Lynmouth
                                                                                      Renewable Energy and the Sea- Technological Innovation
                                                                                                                                               Pag.13
                                                                                      Off Shore Renewable Energy Sources




          I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                              CARMEN Mª ROA TORTOSA
                                                                              Hydroelectric, Sea Energy and Geothermal Department
                                                                              IDAE
 TIDAL ENERGY
                                                                          forces.
TIDAL: the water coming and going is due to the Sun and Moon gravitiy forces. El ascenso y descenso de
                                                              del
las aguas del mar es producido por las acciones gravitatorias del sol y la luna.

Requirements:
Requirements:

 Wide Tidal > 5 m.
                    estuary.
 Enough wide bay or estuary.
           erection.
 Fasy dike erection.



                 Energy
                 Tidal
                 Potential
                 Harnessing




                                                                                      Renewable Energy and the Sea- Technological Innovation
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                                                                                      Off Shore Renewable Energy Sources




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       I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                           CARMEN Mª ROA TORTOSA
                                                                           Hydroelectric, Sea Energy and Geothermal Department
                                                                           IDAE
TIDAL ENERGY

 Simple effect cycle
 Double effect cycle
 Pumped storage




                                                                                   Renewable Energy and the Sea- Technological Innovation
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                                                                                   Off Shore Renewable Energy Sources




       I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                           CARMEN Mª ROA TORTOSA
                                                                           Hydroelectric, Sea Energy and Geothermal Department
                                                                           IDAE
                                                                                TECNOLOGY TYPES
TIDAL ENERGY


                                                                                Central Maremotriz de RANCE




                                                                                   Renewable Energy and the Sea- Technological Innovation
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                                                                                   Off Shore Renewable Energy Sources




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            I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                                CARMEN Mª ROA TORTOSA
                                                                                Hydroelectric, Sea Energy and Geothermal Department

  WAVE ENERGY                                                                   IDAE


WAVES:
                             wind.
  Wave energy is produced by wind.
                  height.
 Very variable in height.
                        energy.
 Tertiary derived solar energy.
  The warming of the Earth's surface generates wind and wind waves general as a result of air friction on
        surface.
the sea surface.
                                            intensity,
 The intensity of the waves depends on wind intensity, duration and length over which transmits wave
energy.
energy.
                                          loss.
 Travel long distances with little energy loss.
                                       coastline.
 Global average energy density 8kW / m coastline.




                                                                                        Renewable Energy and the Sea- Technological Innovation
                                                                                                                                                 Pag.17
                                                                                        Off Shore Renewable Energy Sources




            I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                                CARMEN Mª ROA TORTOSA
                                                                                Hydroelectric, Sea Energy and Geothermal Department
                                                                                IDAE
  WAVE ENERGY
         energí   World Distribution por el viento y resulta de una altura muy
OLAS: la energía de las olas es producidaof Annual Average Off Shore (kW/m) variable.




                                                                                        Renewable Energy and the Sea- Technological Innovation
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                                                                                        Off Shore Renewable Energy Sources




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                    I N S T I T U T O      P A R A     L A   D I V E R S I F I C A C I Ó N           Y   A H O R R O       D E     L A   E N E R G Í A

                                                                                                   CARMEN Mª ROA TORTOSA
                                                                                                   Hydroelectric, Sea Energy and Geothermal Department
                                                                                                   IDAE
                                                                                                          TECNOLOGY TYPES
        WAVE ENERGY

                                                              Oscilating                                                                        Oceanlinx
                                                                Water
                                                               Column




                                                                       Attenuator
                                                                                                                                    Pelamis


                                                                                                                                              AWS
                                                                                    OPT
                                                         Point
                                                        Absorber
                                                                                                  Aquaboy                                                       WEDGE

                                                                                                                                                                Lineal
                                                                                                                                                                Generator



                                                                                                             Renewable Energy and the Sea- Technological Innovation
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                                                                                                             Off Shore Renewable Energy Sources




                    I N S T I T U T O      P A R A     L A   D I V E R S I F I C A C I Ó N           Y   A H O R R O       D E     L A   E N E R G Í A

                                                                                                   CARMEN Mª ROA TORTOSA
 OCEAN ENERGY IN SPAIN: Wave Energy Projects and Geothermal Department
                                 Hydroelectric, Sea Energy
                                                                                                   IDAE
                                                                                    IBERDROLA Energías Marinas de Cantabria S.A.
                                                                                    OPT Santoña, Cantabria - OFFSHORE
Norvento -OPD; Pelamis
Galicia, OFFSHORE                                    Proyecto Calma -Hidroflot
                                                     Asturias, OFFSHORE
                                                                                                         BIMEP


Consorcio de Portos Galicia, Sogama,
Cetmar, Inega y Igape                                                                                                                    Tecnalia (PSE - MAR)
Inicialmente PISYS                                                               Nodo                                                    Oceantec, Hidroflot, PISYS
Galicia, OFFSHORE                                                                Santoña                                                 País Vasco - OFFSHORE


 Sea Energy
 Technology: Wavegen; Limpet
 Galicia, ONSHORE                                                                                                                  Mutriku – País Vasco – ONSHORE.
                                                                                                                                   Wavegen




Cabildo de Tenerife                                                                                                                       Lineal Generator for Wave
Technology: Wavegen
Emplazamiento: Granadilla -Tenerife, ONSHORE                            SPAIN                                                             Energy (Wedge).




                                                                                                                                         Ocean Lider: Líderes en Energías
                                                                                                                                         Renovables oceánicas

     PLOCAN




                                                                                                             Renewable Energy and the Sea- Technological Innovation
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                                                                                                             Off Shore Renewable Energy Sources




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I N S T I T U T O   P A R A   L A   D I V E R S I F I C A C I Ó N    Y   A H O R R O      D E    L A    E N E R G Í A

                                                                    CARMEN Mª ROA TORTOSA
                                                                    Hydroelectric, Sea Energy and Geothermal Department
                                                                    IDAE




             Thanks for your attention
                  DIVERSIFICACIÓ                 ENERGÍ
INSTITUTO PARA LA DIVERSIFICACIÓN Y AHORRO DE LA ENERGÍA (IDAE)

                                     Mª
                              Carmen Mª Roa Tortosa
                                        Madrid- Españ
                      c/ Madera 8 28004 Madrid- España
              Tel. +0034 91 4564900                    Fax. +0034 91 5230414
                              cmroa@idae.es www.idae.es




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