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    CSP in the Mediterranean:technology potential and development opportunities

    Stefano Barazzetta

    Milano, June 2009

    This report is solely for the use of the recipients. No part of it may be circulated, quoted or reproduced for distribution

    outside the recipients organization without mentioning IG Partners as a source.

    v. 29/06/2009

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    CSP: THE NEXT BIG THING?

    So far solar equals photovoltaic, but:

    cost per kWh remains stubbornly high

    photovoltaic penetration continues to be very small

    CSP holds great promise but faces numerous hurdles

    various competing and still evolving technologies with thermal storage as key

    2

    significant potential for reducing costs and advantage in limited space requirement several players already active

    US and Spain current market leaders but enormous potential in the Mediterranean

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    SOLAR PV REMAINS EXPENSIVE, AND WITH LIMITED PENETRATION

    Europe electricity generation capacity:

    total capacity vs. photovoltaic capacity

    2000 - 2008

    %, GW

    Electricity price and PV generation cost comparison

    2008

    /kWh

    0,0% 0,4%

    100% = 700 810

    3

    0,35

    0,12

    Electricty from PV

    Average EU-27 price

    *

    *: average of costs related to low latitudes with high solar irradiation and high latitudes with low solar irradiation

    Source: Eurostat (2009), Epia (2009), Eia (2009)

    100,0% 99,6%

    2000 2008

    PV capacity

    Total capacity

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    CSP: CONCENTRATED SOLAR POWER

    CSP plants concentrate solar radiation to produce electricity via a steam turbine*

    Concentrate thesolar radiation

    Absorb the solarradiation and

    convert in into

    thermal energy

    Transfer thethermal energy to

    a conversion unit

    Convert thethermal energyinto mechanical

    energy

    Convert themechanical energy

    into electricity

    using a generator

    Process

    Collector

    (e.g. mirror)

    Receiver

    (e.g. absorber tube)

    Heat transfer medium

    (e.g. oil)

    Conversion unit &

    Steam TurbineElectricity generatorComponents

    CSP process and components

    Working principles and features of CSP a solar reflector field consisting of mirrors

    (parabolic shape or flat) concentrates solar

    radiation onto a receiver (i.e. absorber tube in

    which synthetic oil or an other medium flows, or

    a central receiver tower holding the heat transfer

    medium)

    the heated transfer medium is pumped througha heat exchanger generating steam which drives

    a steam turbine to produce electricity

    during the cycle, the transfer medium can also

    go through a heat exchanger to charge the heat

    storage system: molten salt (or another storage

    medium) can be heated and used afterwards to

    retrieve thermal energy for operation during thenight

    4*with the exception of the dish technology where a Stirling engine generates electricity

    CSP: parabolic troughtechnology

    Different technologies

    are available, at different

    levels of maturity

    CSP plants are usually

    large-scale plants (10/50

    MW and beyond, up to300 MW), best suited for

    utility-scale applications

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    Parabolic trough Power tower Dish/engine Linear Fresnel

    Bolic

    Base technology Central tower receiver Several units each withStirling engine

    Flat shape mirror

    Commercial Installed

    Capacity [MW]519 31 - 1,4

    Status commercialproven/

    commercial

    pilot/

    provenR&D/pilot

    CSP: TECHNOLOGY OVERVIEW

    Four different technologies, at different levels of maturity and deployment

    Capex*[USD/kW]

    4.200 9.000 5.600 8.500 5.600 9.000 3.500 7.700

    Full Generation

    Cost** [USD/kWh]

    current: 0,12-0,17

    future: 0,06-0,08

    near term: 0,12-0,38

    future: 0,06-0,08

    near term: 0,12

    future: 0,06

    near term: 0,10

    future: 0,08

    Plant/Unit Size

    min/max [MW]10-300 10-200 0,03-1 1-200

    Area requirements

    [ha/MW]

    without storage: 2,5

    with storage: 4,0

    without storage: 3,5

    with storage: 6,5

    second best

    after linear Fresnel

    without storage: 1,5

    with storage: n.a.

    Storage possibility Y Y N Y

    Announced pipeline

    up to 2016 [MW]4.500/6.000 2.600/3.000 1.400 1.800 480/750

    Key Developers

    Solargenix, Solel

    Solar Millennium

    Abengoa, Sky Fuel

    Solucar/AbengoaBrightSource Energy

    eSolar, Torresol

    Stirling Energy Systems

    Infinia, Abengoa

    Ausra, Novatec Biosol,

    Solar Power Group

    5*: /USD = 1,4 - Deutsche Bank (2009) estimates; **U.S. generation costs estimates; Acciona has a 55% stake in Solargenix ; Torresol is a JV between Sener and Masdar

    Source: DLR (2007), McKinsey (2008), Sandia National Laboratories (2008) , Cleantech (2008), SolarPaces/Estela/Greenpeace (2009), Deutsche Bank (2009)

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    THERMAL STORAGE IS KEY

    Thermal storage allows CSP to supply electricity even when the sun does not shine and

    to dispatch energy predictably and on demand, significantly improving plant revenues

    Heat is stored in molten salt (or other media) and can be retrieved for operation during the

    night: the plant is able to produce electricity for a longer number of hours

    PROs CONs

    increases the load factor from 30% to

    50% and beyond

    not fully tested at commercial level

    plant-specific (at the moment): tailor

    NO THERMAL

    STORAGE

    power production

    California demand

    PEAK

    LOAD__

    6*Thermal storage additional capex for the Andasol 1 plant amounts to about 40/kWh (5% of total plant cost), but reduces the electricity cost by 11%; using concrete instead of molten salt as

    storage medium is estimated to reduce additional capex to 20/kWh; ** at Andasol 1 (200 ha in total), thermal storage footprint is 50 ha

    Source: Sandia National Laboratories (2008), CSP Today, Photon, Scientific American, SolarPaces/Estela/Greenpeace (2009)

    a ows to pro uce more va ua e

    electricity is very efficient(> 90%)

    made solutions are expensive

    increases the capex* and land

    requirements of the plant **

    Higher

    electricity

    value

    WITH

    THERMAL

    STORAGE

    Plant YearStorage

    hours Technology

    PS20 (solar tower) 2009 1 steam

    Andasol 1(parabolic trough)

    2008 7,5 molten salt

    PS10 (solar tower) 2007 1 steam

    Thermal storage: commercial installations Thermal storage

    Andasol 1 plant

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    CSP: GREAT PERSPECTIVES, WITH SOME SERIOUS HURDLES

    PROs CONs

    a (partially) mature technology, notwithstanding

    still open to many improvements: economies of

    scale have not yet been reached

    best positioned to exploit the potential offered

    by solar energy, several times larger than the

    current and future world electricity demands

    more cost-effective than solar hotovoltaic and

    location specific: high potential in the US, lower

    in Europe, enormous in North Africa

    not yet cost-competitive with conventional

    electricity sources

    capital intensive: financing may constitute a

    major hurdle in the actual economic downturn

    CSP is a viable CO2-free alternative to PV for large-scale infrastructure

    7

    competitive with other renewables sources scalable and with thermal storage possibility

    allowing dispatchable power, i.e. electricity

    predictable and on demand(unlike other

    renewables): both ofgreat interest for utilities

    hybridization potential for deployment together

    with traditional technologies or as retrofit to

    existing plants

    many government incentives already in place

    huge pipeline of projects around the world, and

    growing: Spain and US are the leaders

    huge quantities of water needed for the cooling

    process: dry-cooling technologies are underdevelopment, but not mature yet

    components bottlenecks possible in the medium

    term (i.e. receivers, mirrors, etc..)

    typical large-scale deployment reliant on the

    development ofintegrated and dedicatedgrids/connections

    performance negatively affected by wind and

    dust

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    CSP HAS THE POTENTIAL TO BE COST COMPETITIVE WITH CONVENTIONAL

    POWER SOURCES

    Technology developments, learning curve effects, economies of scale and politicalsupport may help CSP electricity generation costs to decrease significantly

    10,8

    7,0

    5,0

    CCGT

    Nuclear

    Coal

    Comparison of electricity generation costsUSD cents/kWh

    Conventional

    plants

    8Note: CSP generation costs refer to the US; in Europe costs are higher (> 0,20 /kWh for parabolic trough plants), but quickly decreasing

    Source: Deutsche Bank (2009), team analysis

    4,0

    5,0

    6,0

    8,5

    9,115,1

    17,0

    49,0

    Large Hydro

    Geothermal

    CSP - FUTURE

    Biomass

    On-shore WindOff-shore Wind

    CSP - TODAY

    Photovoltaic

    Renewableplants

    - 65%

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    CSP: WHICH LOCATION?

    CSP plants need high sun radiation: desert areas offer the highest potential

    CSP

    suitability

    Direct Normal Irradiation*

    2 2

    * Direct Normal Irradiation (DNI) is the sunlight that is not deviated by clouds, fumes or dust in the atmosphere and which reaches the Earths

    surface in parallel beams for concentration

    Source : Schott (2008), team analysis

    9

    Unsuitable < 2.000 < 5,5

    Suitable 2.000

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    CSP OFFERS AN ENORMOUS POTENTIAL WITH LIMITED LAND USE

    CSP has a limited footprint, far smaller than required by other renewables

    9.000.000

    Area needed to satisfy the current world electricitydemand through different renewable energy sources

    km2

    A desert area of 80 km x 80 km dedicated to CSP couldproduce in a year as much energy as contained in all Middle

    East oil production (9 billion barrels/year)

    World electricity demand* can be met through a desert area

    of 300 km x 300 km (as small as 0.23% of all world deserts)

    NORTH AFRICA HAS AN ENORMOUS POTENTIAL LIMITED LAND USE

    *19.000 TWh/y (2008)

    Source : DLR (2006), U.S. Department of Energy, World Resources Institute/Goldman Sachs (2009), Desertec (2009), team analysis

    10

    90.000270.000

    2.520.000

    CSP Photovoltaic Wind Biomass

    30% 90% 840% 3.000%

    Areas of the size as shown by the red squares would be

    sufficient for CSP plants to generate as much electricity as

    consumed by the World and by EU-25 respectively

    % on

    Italys

    surface

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    CSP OFFERS HUGE GROWTH PERSPECTIVES IN THE SHORT TERM

    CSP is gaining momentum after two decades of dormancy: 550 MW in operation*,

    1 GW in construction, more than 10 GW in the pipeline

    Solar installed capacity

    %, GW

    3%14%

    84,515,5

    CAGR

    08-15

    57%

    500RoW

    Spain

    CSP: cumulated capacity forecast

    MW

    6.200

    100% =

    *70 MW installed during 2009 (spanish plants PS20 ,Puertollano and PE1 started operations)

    Source : Emerging Energy Research (2009), EPIA (2009), McKinsey (2008), Cleantech (2008)

    11

    97%86%

    2008 2015e

    CSP

    PV

    25%

    274 354 354 419 419 750

    2.000

    61419

    750

    3.700

    200

    1990 1995 2005 2008 2009e 2010e 2011e

    USA

    354 354480

    838

    1.700

    274

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    CSP VALUE CHAIN AND KEY PLAYERS

    The CSP arena is evolving rapidly, with the entry of technology-focused start-ups and

    increasing interest from utilities: further integration downstream and upstream is expected

    Project Development Project Financing EngineeringTechnology

    procurementConstruction

    Operation &

    Ownership

    Qualify site, feasibility study,

    paperwork, economic and

    technical analysis

    Devise viable financing

    structure and provide

    for financing

    Detail planning &

    implementation, plant

    layout, advisory

    Technology supplier:

    receiver, mirrors,

    structure, thermal

    storage, etc..

    Construction

    works

    Hold, buy and sell

    shares in the power

    plant, operate plant

    EBIT margins estimate 25%-50% 40%-65% 5%-20% 5%-25% 5%-15% n.a.

    KEY PLAYERS

    SOLEL IL X X X (X)

    SOLAR MILLENIUM DE X X X X X X

    Source : Deutsche Bank (2009), team analysis

    12

    ABENGOA S.A. ES X X X X X X

    SOLARGENIX US/ES X X X (X)

    SENER INGENERIA ES X (X) X (X)

    ACCIONA ES X X X (X) X X

    SKYFUEL US X X X (X) (X)

    BRIGHTSOURCE US X X X (X) X

    AUSRA US/AU X X X

    SCHOTT SOLAR, FLABEG DE X

    MAN FERROSTAL DE X

    ACS COBRA ES X X X

    IBERDROLA, EDP, PG&E various X

    X: core business; (X): minor activities

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    MARKET: TODAY THE U.S. AND SPAIN ARE UNDISPUTED THE LEADERS

    After the first plants during the 80s, CSP is coming back, driven by oil price volatility,

    climate change concerns, and new incentive schemes

    California 1985-1992

    9 parabolic trough plants built for a total of 354 MW: the plants

    were provided with natural gas back-up (SEGS plants)

    Electricity production costs decreased by about 2/3, from 0,44

    $/kWh for the first 14 MW plant to 0,17 $/kWh for the last 80

    MW plant

    Spain 2007-2009 Spain ha set a 500 MW CSP target for 2010, and has approved a 0,27 /kWh 25

    years feed in tariff for CSP

    Between 2007 and 2009 the first European CSP plants have started operations:

    PS10 (11 MW) and PS20 (20 MW), solar tower technology

    Andasol 1 (50 MW) and Puertollano (50 MW), parabolic trough technology

    PE1 (1,4 MW), the world first linear Fresnel commercial plant

    The current pipeline includes at least 12 plants in construction for a total of 800

    MW, plus about 2.000 MW near construction, 8.000 in authorization, 3.500announced

    USA 2007-2009 In 2007 Nevada Solar One (67 MW, parabolic trough) starts operations, the first CSP

    plant built in the U.S. since 1991

    CSP development is mainly driven by RPS (Renewable Portfolio Standards), which

    oblige utilities to source certain shares of electricity from renewables

    More than 5.000 MW are in construction/pipeline

    Source : ENEA (2008), CSP Today.com, SolarPaces/Estela/Greenpeace (2009), team analysis

    13

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    Country CSP

    potentialTWh/y

    % on EU

    demand

    CSP IN THE MEDITERRANEAN: AN ALMOST LIMITLESS SOURCE OF ENERGY

    Electricity generation potential from CSP in North Africa is practically unlimited:

    Algeria alone has a potential as large as 9 times the world electricity demand

    Europes potential is far lower, but still enough to meet half of the continents current

    electricity demand

    Country CSP

    potentialTWh/y

    % on EU

    demand

    NORTH AFRICA EUROPE

    World Electricity Demand

    2008

    TWh/y

    Algeria 169.000 5.200%

    Lybia 140.000 4.300%

    Egypt 73.000 2.250%

    Morocco 20.000 615%

    Tunisia 9.000 276%

    Total

    North Africa 411.000 12.600%

    Spain 1.278 39%

    Portugal 142 4%

    Turkey 131 4%

    Cyprus 20

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    CSP IN THE MEDITERRANEAN: CURRENT PIPELINE

    Country Installed

    capacity

    MW

    Planned

    capacity

    MW

    Feed-in

    tariff

    Note

    Spain 132 > 10.00027 c/kWh 25 years

    (max 50 MW plants)

    five plants in operation (3 opened in 2009)

    about 800 MW in construction

    Algeria - 265 N natural gas/CSP hybrid* plants under development: two

    20 MW plants are in construction and three 75 MW plants

    have been planned (ISCSS*)

    In the Mediterranean 5 plants are currently in operation, all of them in Spain: several

    other plants are in construction or in the development phase

    * two hybrid configurations are possible: in SEGS plants a small natural gas component, up to 25% of the total power production, is installed along with the CSP component; in ISCSS plants a smallCSP component is integrated into a traditional gas plant, to produce up to 15% power during peak hours

    ** the constraint is the total plant footprint (max. 2mil m 2), which limits the size of the plants to approx. 125 MW

    Source : CSP Today (2008), team analysis, SolarPaces/Estela/Greenpeace (2009)

    15

    Greece - 50 24 26 c/kWh 50 MW plant in construction in Crete

    Egypt - 40 N 40 MW natural gas/CSP hybrid plant (ISCSS) in

    construction

    Morocco - 20 N 20 MW natural gas/CSP hybrid plant (ISCSS) in

    construction

    Portugal - 727 c/kWh (< 10 MW)

    16-20 c/kWh (> 10 MW) 7 MW plant planned

    Italy - 5 22-28 c/kWh - 25 years(max 125 MW** plants)

    5 MW pilot hybrid plant in construction in Sicily

    TOTAL 132 > 10.000

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    EUROPE NORTH AFRICA GRID INTERCONNECTIONS

    The deployment of long range electrical interconnections will be required in

    order to import electricity from North Africa to Europe

    Algeria and Germany have

    announced the construction of a3.000 km long / 6 GW connection

    between the cities of Adrar and

    Aachen, for a 2 bil investment

    The only existing electrical connection in the

    Mediterranean links Spain with Morocco In August 2008 Italy and Tunisia have signed an

    agreement to deploy an electrical link

    3 more EU-North Africa links have been announced

    16

    Electrical international links in the Mediterranean

    Source : German Ministry of Environment / Mediterranean Observatory of Energy (2008)

    Aachen

    (Germany)

    Adrar

    (Algeria)

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    FEASIBILITY STUDIES AND PROJECTS

    Many feasibility studies for the deployment of CSP in the region have beenconducted and others are in progress: the interest in CSP is growing fast

    Project/

    Objective

    Source Description Target Investmentbil

    Average

    CSP CapEx

    mil /MW

    Development of CSP in

    MENA

    (2009 in progress)

    World Bank* concept note for a CSP scale-upprogram in the Middle East and

    North Africa region (plants +

    electrical links)

    1 GW

    within

    2015

    CSP+links:

    4,5/6,2

    4,5/6,2

    Completion of current Emerging estimates the investments neededto com lete the current lobal CSP

    14 GW CSP: 60 4,3

    17

    (2009)

    Research

    pipeline (about 14 GW) 2019

    Mediterranean

    Solar Plan

    (2008 in progress)

    Estela/

    Union of the

    Mediterrane

    an

    promotes and estimates the

    investments needed to develop CSP

    technology in the Mediterranean

    region (plants + electrical links)

    19 GW

    within

    2020

    CSP: 81

    links: 16

    4,3

    DESERTEC

    (2005-2006)

    German

    Aerospace

    Center (DLR)

    estimates the CSP potential in the

    Mediterranean region, and the

    investments and benefits related tothe deployment of 100 GW of CSP in

    North Africa and of the required

    electrical links to Europe (20

    submarine HVDC** lines, 5 GW

    each)

    100 GW

    within

    2050

    CSP: 350

    links: 45

    3,5

    * World Bank is currently evaluating a 600 mil investment in the program trough the Climate Investment Fund

    ** High Voltage Direct Current

    In June 2009 the reinsurer Munich Re has

    announced that it has formed a consortium

    together with other German companies

    (Siemens, Deutsche Bank, E.On, RWE) to

    explore the possibility of turning Desertec

    into a real-world project

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    Growth of energy demand in the Mediterranean region:

    recent estimates* indicate that by 2030: energy demand in the area will grow by 44% vs. 2005 levels

    30% of natural gas demand and 40% of oil demand will be met trough imports

    DRIVERS FOR THE GROWTH OF CSP IN THE MEDITERRANEAN REGION

    Increasing focus on CO2 emissions reduction, oil price volatility, energy

    security and global climate regulations are driving the growth of CSP

    CO2 emissions growth in the Mediterranean region:

    by 2030 CO2 emissions are estimated to grow by 50% vs. 2005 levels

    20-20 2020 emissions and renewables package:

    committed EU to reduce GHG emissions to at least 20% below 1990 levels by 2020 and to

    increase the share of renewables in energy use to 20% by 2020 makes explicit provisions that green electricity imported from third countries may qualify

    for the target

    18

    *Source: Mediterranean Observatory of Energy (2008)

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    CSP IN THE MEDITERRANEAN: AN ENORMOUS AND UNTAPPED POTENTIAL

    Exploiting just 0,2% of the CSP potential in the Mediterranean region would

    allow to exceed the current contribution of all renewables in the EU and to

    satisfy about 15% of the 2050 EU electricity demand forecast

    100% = 3.354 TWh

    EU-27 electricity generation2050TWh, %

    EU-27 electricity generation2006

    TWh2; Solar PV

    6; Geothermal 100% =4.600 TWh489 TWh

    ; n

    90;Biomass

    309;

    Hydro

    19

    15%

    85%

    RENEWABLES

    CONVENTIONAL

    3900 TWh;

    85%

    700 TWh;

    15%

    CSP*

    ALL OTHER

    SOURCES

    *Assumptions: 100 GW with thermal storage (average load factor of 80%)

    Source: EU energy and transport in figures, Paul Scherrer Institut, team analysis

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