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CONCENTRATING SOLAR POWER NOW CLEAN ENERGY FOR SUSTAINABLE DEVELOPMENT Dr. Franz Trieb German Aerospace Center (DLR)

CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

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Page 1: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

CONCENTRATING SOLAR POWER NOWCLEAN ENERGY FOR SUSTAINABLE DEVELOPMENT

Dr. Franz Trieb

German Aerospace Center (DLR)

Page 2: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

PRINCIPLE OF CONCENTRATING SOLAR POWER

Heat from concentrating solar thermal collectors drivessteam turbines, gas turbines or piston engines, to deliverelectricity or combined heat and power. E.g.:

concentratingsolar collector

steam turbine& generator

utility grid

steam power

Page 3: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

oil (1-3 bar / 390 °C)steam (100 bar / 390 - 550 °C)

CSP TECHNOLOGIES - PARABOLIC TROUGHcycle: steam turbine, CHP

status: commercial, 80 MW

projects ahead:50 - 150 MW, Spain, India,Mexico, Egypt, Morocco,Crete, Jordan, USA,South Africa .......

Page 4: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

CSP TECHNOLOGIES - PARABOLIC TROUGH

Solar Electricity GeneratingSystem (SEGS)

Dagget,Harper Lakeand KramerJunction,California

Page 5: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

steam (25 - 100 bar / 270 - 550 °C)

CSP TECHNOLOGIES - LINEAR FRESNELcycle: steam turbine,CHP

status: prototype

projects ahead:1 - 5 MW pilot plant

SecondaryReflector

Fresnel Reflector

Absorber Tube

Sunlight

Photo: Solarmundo

Page 6: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

air (1 - 15 bar / 800 - 1200 °C)

CSP TECHNOLOGIES - SOLAR POWER TOWER

cycle: steam turbine, gas turbine,combined cycle, CHP

status: prototype, demonstration

projects ahead: SpainPS10 (10 MW steam cycle)SOLGATE (250 kW gas turbine)

Photo: DLR

Page 7: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

helium (50 - 200 bar / 600 - 1200 °C)

CSP TECHNOLOGIES - PARABOLIC DISH

cycle: Stirling engine

status: prototype, demonstration

projects ahead:EURO-DISH, 10 kW series

Photo: SBP

Page 8: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

APPLICATIONS - POWER UTILITY

Power generation with steam turbines or gas turbines

G

Turbine Gene-rator

CondenserBoiler

Solar Collector Field

Solar SteamGenerator

Thermal Energy Storage

Page 9: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

APPLICATIONS - POWER UTILITY

Power generation with steam turbines or gas turbines

G

Turbine Gene-rator

CondenserBoiler

Solar Collector Field

Solar SteamGenerator

Thermal Energy Storage

Desalination,Cooling, etc.

MSFMED

APPLICATIONS - POWER & WATER

Combined heat and power multipurpose plant

Page 10: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

APPLICATIONS - REMOTE POWER

Decentralised generation of electricity or combined heatand power for remote areas with Dish-Stirling engines

Photo: SBP

Page 11: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

CONCENTRATING SOLAR POWER -JOBS AND ECONOMIC GROWTH FORTHE SUNBELT COUNTRIES

• one permanent job per megawatt during 25 year plant life

• ten temporary jobs per megawatt during two year construction

• high local content and added value in the solar collector field

Page 12: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

Leve

lised

Ele

ctric

ity C

ost [

ct/k

Wh]

COST PERSPECTIVES

Impressive history and considerable cost reduction ahead

Page 13: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

PERSPECTIVES OF PREFERENTIAL FINANCING

Sharing risks and burdens for start-up projectsGeneral calculationparameters: 200 MWparabolic trough steam cycle,solar only plant yields 445GWh/y, hybrid plant inmedium load, solar share 45%, annual electricity 1000GWh/y, investment 425 M€,discount rate 3.5 % (real),economic life 25 years, fuelcost 12 €/MWh, avoided CO2310,000 t/y.

Parameters for conventionalfinancing and (in brackets)ideal parameters forpreferential start-up financing(PF): Debt interest rate 8 %/y(4 %/y), internal rate of returnof equity 20 %/y (8 %/y),insurance rate 1% (0.5 %) ofInv./y, property tax 1.5 % (0%) of Inv./y, income tax 38 %(0 %) of Inc./y, custom duty 5% (0 %) of direct investment,production overhead 10 % (5%), grant 0 M€ (50 M€), CO2-Credit 0 €/t (5 €/t), riskmanagement private (private& public).

0

2

4

6

8

10

12

14

Solar Only,Conventional

Finance

Lev

elis

ed E

lect

rici

ty C

ost

in c

t/kW

h

Debt Service Equity Insurance O&MFuel PropertyTax Income Tax PF + CO2

Hybrid, 50 M€Grant

Hybrid, PF +CO2-Credits

Hybrid,Conventional

Finance

Hybrid,Preferential

Financing (PF)

cost range of conventional intermediate load plants

Page 14: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

POTENTIAL OF CONCENTRATING SOLAR POWER

1 km² yields up to 200 - 300 GWhe/year

1 km² equals 50 MW coal or gas plant

1 km² saves 500,000 bbl of oil / year

1 km² avoids 200,000 tons CO2 / year

GWh/km²year

0

100

150

200

250

50

300 0-150

175

200

225

250

275

300

Page 15: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

POTENTIAL OF CONCENTRATING SOLAR POWER

0-150

175

200

225

250

275

300

Page 16: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

ProjectDevelopment

Engineering, Procurement,Construction

Operation

first year second year third year 25 - 30 yearsBasic Project InformationProject AssessmentProject DefinitionEngineeringProcurementConstruction + Civil WorksCommissioningOperation and Maintenance

INITIATING A CSP PROJECT

From basic project outlines to large scale investment

Page 17: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

sustainablelow cost

water

energy industry

jobs

products forexport

local value local resource

easyintegration

no pollutionno emissions

WHY CONCENTRATING SOLAR POWER?

protection of the climate

CSP

sustainable development

Page 18: CONCENTRATING SOLAR POWER NOW - DLR Portal · cycle: Stirling engine status: prototype, ... CONCENTRATING SOLAR POWER - ... solar share 45 %, annual electricity 1000

Concentrating Solar Power may becomea Development Machine for the SunbeltCountries in the 21st Century

Brochure and more infos available here and at:

http://www.bmu.dehttp://www.dlr.de/system