Siemens. Energy Sector

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1 Siemens Energy Sector Solutions for Carbon Capture and Storage Development and Implementation of Post-Combustion Capture Technology Version4 October 2008 Dr. ermann Kremer Siemens AG 2008 Energy Sector

2 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 1 December 2008

3 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 2 December 2008

4 Renewables are gaining in importance but fossil fuels will continue to be the mainstay Power generation (in TWh 1) ) Renewables (excl. hydro) in 2005: 400 TWh (2% of total) Wind 16% 28% Solar 1% 55% Biomass 2.7 % p.a. 18,000 16% 15% 7% 20% 40% 67% Fossil fuels 62% 35,000 ydro 15% Nuclear 14% Gas 23% Oil 3% Coal 36% Renewables (excl. hydro) in 2030: 3,200 TWh (9% of total) Geothermal Solar Geothermal 13% 6% Others 1% Wind 51% Biomass 29% Source: Siemens Energy Sector, GS4 base case ) Terrawatt-hours Slide 3 December 2008

5 We expect our Environmental Portfolio to grow by at least 10% percent per year + 10% 16.9 bn 25 bn Our goal: Growth Our Environmental Portfolio accounts for 16,9 bn. (2007) (or 23%) of our total revenues We expect it to grow to 25 bn. by 2011, equaling an annual growth of 10% e Business volume Environmental Portfolio An independent review of PricewaterhouseCoopers confirmed Siemens data Slide 4 December 2008

6 CO 2 abatement of our products and solutions already more than 20 times greater than our own GG footprint Siemens GG emissions from production (in million tons) CO 2 abatement at our customers (in million tons) 275 mio t Rome ong Kong Singapore ~15 Mt ~40 Mt ~50 Mt London ~50 Mt 5.1 mio t 114 mio t Abatement from newly installed products and solutions Abatement from previous installations New York City Tokyo ~60 Mt ~60 Mt e Total emissions equivalent Σ ~ 276 mio t Slide 5 December 2008

7 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 6 December 2008

Contribution of steam power plant development towards

5 % STPP efficiency 2001 42 % STPP efficiency 2004 47 % STPP

747 MW STPP Isogo 1 designed for 600 MW Reference STPP NRW

ON) designed for 500 MW Reduction of CO 2 emissions Basis - 11.

8 Contribution of steam power plant development towards environmental compliance % STPP efficiency % STPP efficiency % STPP efficiency 2015 >50 % STPP efficiency STPP Bergkamen designed for 747 MW STPP Isogo 1 designed for 600 MW Reference STPP NRW designed for 600 MW STPP 50plus (E.ON) designed for 500 MW Reduction of CO 2 emissions Basis % % % Increasing efficiency is the key driver to more environmental friendly STPPs, suppliers and generators need to strive for Slide 7 December 2008

Steam Turbines for 700 C SPP the next generation of big steam power plants Goal: > 50% net efficiency 700 C, 350 bar State of the art: 47% net efficiency 600 C, 250 bar The way there: New materials

9 Steam Turbines for 700 C SPP the next generation of big steam power plants Goal: > 50% net efficiency 700 C, 350 bar State of the art: 47% net efficiency 600 C, 250 bar The way there: New materials and design concepts (innovative components: P and IP turbines and valves) Component test facility COMTES700 at Scholven since 2005 Engineering study NRWPP700 since 2006 (financing through NRW and 700 C partners) Demo plant 550 MW approx. 7% less fuel consumption and CO 2 Slide 8 December 2008

Siemens Combined Cycle: Efficiency Evolution

CC efficiency 56 % CC efficiency 58 % CC

CCPP Didcot CCPP Mainz- Wiesbaden CCPP Irsching

10 Siemens Combined Cycle: Efficiency Evolution SGT5-2000E SGT5-4000F SGT5-4000F SGT % CC efficiency 56 % CC efficiency 58 % CC efficiency > 60% CC efficiency CCPP Killinghome CCPP Didcot CCPP Mainz- Wiesbaden CCPP Irsching 4, 530 MW Reduction of CO 2 Emission (scaled to 530MW) Basis t/a CO t/a CO t/a CO 2 Slide 9 December 2008

11 Energy efficiency and Carbon Capture and Sequestration (CCS) are key Solutions to Reaching Emission Reductions Targets IEA* reference scenario Energy efficiency Renewables growth EU emissions, Gt CO 2 /year, Other (e.g. agriculture) IEA* alternative policy scenario CCS potential IEA* alterntive policy Scenario incl. CCS Source:ZEP General Assembly, November 10, 2008, Brussels *IEA = International Energy Agency CCS contribution already crucial in 2030, in Europe approx. 100 power plants with CCS It is globally accepted by now that CCS is indispensable for reaching global carbon emissions reduction targets Slide 10 December

12 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 11 December 2008

13 The three technology pathways for CCS CO2 Capture before Combustion (Pre-combustion) Research needs Conventional Fuel O 2 Gasification Syngas cleaning CO shift CO 2 capture Combined Cycle with 2 turbine CO 2 CO2 Capture after Combustion (Post-combustion) Conventional PP with CO 2 scrubbing Coal Air Conventional SPP Flue gas cleaning CO 2 capture CO 2 Integrated CO2 Capture (Indirect Oxyfuel) ST Cycle G Indirect Oxyfuel (Working medium steam, conventional) Coal O 2 Combustion (steam generator) CO 2 / 2 O recycling Flue gas cleaning Condensation CO 2 Slide 12 December 2008

CO 2 Scrubbing proven technology, but Post-combustion capture need new or modified solvents and processes CO 2 Scrubbing in the Processing Industries CO 2 Absorption/Desorption is proven

has initiated a word wide technology development push Physical Absorption high partial pressure of CO2 Chemical Absorption integrated in chemical plant lower partial pressure of CO2 For

14 CO 2 Scrubbing proven technology, but Post-combustion capture need new or modified solvents and processes CO 2 Scrubbing in the Processing Industries CO 2 Absorption/Desorption is proven technology in the chemical processing and in the oil & gas industries Licensed technology is integrated in the chemical production processes The climate change/carbon capture discussion has initiated a word wide technology development push Physical Absorption high partial pressure of CO2 Chemical Absorption integrated in chemical plant lower partial pressure of CO2 For Pre-combustion carbon capture in IGCC proven gas treatment processes are available For Post-combustion carbon capture new or modified solvents and processes are needed Slide 13 December 2008

Siemens preferred solutions for CO 2 capture IGCC / Pre-combustion carbon capture Gasification technology with multi-fuel capability for new power plants Technology ready for implementation

Scalable market introduction, Demoplants with slipstreams, minimize upgrade risk in process trains Enhancement potential for solvents, scrubbing process and for integration into the power plants For

15 Siemens preferred solutions for CO 2 capture IGCC / Pre-combustion carbon capture Gasification technology with multi-fuel capability for new power plants Technology ready for implementation Alternative route for chemical / fuel production, hydrogen economy Mastering higher technological and contractual complexity with Siemens phased project execution offer Post-combustion carbon capture Scalable market introduction, Demoplants with slipstreams, minimize upgrade risk in process trains Enhancement potential for solvents, scrubbing process and for integration into the power plants For retrofit and new fossil fired power plants Siemens develops capture process (solvent amino acid salt formulations) and has established partnership with Powerspan (ECO/ECO2 technology) Siemens Fuel Gasifier Siemens IGCC in Puertollano (E) Siemens scrubbing process test lab Post-Combustion carbon capture plant design Siemens solutions will be ready for the implementation in the upcoming Demoprojects Slide 14 December 2008

16 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 15 December 2008

17 IGCC Plant design and Siemens scope Fuel Gas Island Applications Coal Fuel preparation Air Separation Unit Combined Cycle Power Island Power Lignite Petcoke Refinery residues Gasifier Gasifier Island CO Shift (optional) Clean Syngas FT Synthesis Methanol Synthesis Ammonia Production Transportation fuels Methanol Ammonia / Fertilizer ydrogen Biomass Sulfur Removal CO 2 Removal (optional) Chemicals and Synfuel Production Siemens Basic Engineering & Design Siemens Supply of Key Equipment Siemens EPC Slide 16 December 2008

18 Siemens Solutions for IGCC Power Plants O & M Services Gas Turbine Generators Air / N 2 / O 2 / CO 2 Syngas Compressor Trains O & M Services Gasifiers Steam Turbine Generators Instrumentation & Control Systems Reference Power Plants Environmental Control Siemens will provide key components and systems for IGCC power plantsp Slide 17 December 2008

19 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 18 December 2008

20 Siemens Post-combustion Carbon Capture Technology for Steam Power Plants Current Challenges in CCS CO 2 capture policies still not predictable and regionally deviant In the EU likely in 2009: Capture ready mandatory > 300 MW Directive for CCS and funding mechanism for Demo-Projects Our customers are aiming for robust portfolio and retrofit solutions Post-combustion capture preferable, scalable market introduction, multi-train concepts, risks mitigation Siemens offer proposal Siemens is continuously investing in innovative power generation technology (50+) Siemens advanced POSTCAP Technology ready for a Demonstration Project in July 2010 (solvent amino acid salt formulation) Partnership with Powerspan (ECO/ECO 2 technology, solvent aqueous ammonia) and with other R&D Institutions for third generation solvents and capture processes Adapted standard compressor solutions for CO 2 transportation and injection Capture Ready / Retrofit measures defined Siemens is well prepared as partner for the implementation of the CCS First Mover Demoprojects Slide 19 December 2008

Alliance between Powerspan and Siemens Post-Combustion Carbon Capture with ECO 2 Technology Siemens Scope Absorber Design/Supply Process Mechanical Scope Detail Design/Purchase/Supply Powerspan

21 Alliance between Powerspan and Siemens Post-Combustion Carbon Capture with ECO 2 Technology Siemens Scope Absorber Design/Supply Process Mechanical Scope Detail Design/Purchase/Supply Powerspan Processes ECO-SO 2 Only ECO is NOx, SO 2 & g ECO 2 is CO 2 Capture Process Powerspan Alliance Burger Commercial Unit - 50 MW ECO Powerspan Status ECO Ready for Commercial Awards AMP Ohio to utilize ECO 2 Pilot Unit operational Feed Studies First Energy Burger NRG Indian River Basin Antelope Valley Basin NextGen CO 2 Demo MOU s 125 MW Size NRG Texas Basin Antelope Valley Slide 20 December 2008

22 Siemens in Post-Combustion Carbon Capture Technology for Steam Power Plants Siemens Post-Combustion Technology Development Basis: Amino Acid Salt Formulations Slide 21 December 2008

Siemens lab plant for CO 2 capture tests at Frankfurt oechst Industrial Park Desorption column Synthetic gas flue gas mixtures Reboiler made of glass so that boiling retardation effects can be

23 Siemens lab plant for CO 2 capture tests at Frankfurt oechst Industrial Park Desorption column Synthetic gas flue gas mixtures Reboiler made of glass so that boiling retardation effects can be recognized Absorption column with operating pressure up to 10 bar Siemens Energy runs a fully automated lab plant for CO 2 capture for 24/7 operation. Fully automated DCS system NDIR CO 2 analytic Slide 22 December 2008

24 Amino acid salt is the basis of our solvent OC 2 N C 2 N Ammonia MEA K + O - O C R C N R No vapor pressure Chemically stable O O C R C N R Amino acid Amino acid salt Naturally present Salts have no vapor pressure No thermodynamic solvent emissions Not inflammable Not explosive Odorless No inhalation risk Negative ion is less sensitive to O 2 Low degradation Amino acids are naturally present Biodegradable Nontoxic Environmentally friendly Solvents based on amino acid salts are economic, have low environmental impact and are easy to handle. Slide 23 December 2008

25 Reaction mechanism for absorption and desorption of CO 2 with amino acid salt Preferred reaction mode 2 K + O Amino acid salt + O C R' C O=C=O N R Low temperature Absorber + O eat Desorber + O C O + O R' K + O O C C N + O R Bicarbonate salt R N C R C OOK Amino acid salt p Precipitation is an option for next-generation (2 nd +) solvent K + O O R' C O K + O R' C C N C C O R O Carbamate salt N + R O O C O 2 K + R' O C C O Carbonate salt N + R Intermediate reaction products fulfill the same SE standard as amino acid salts. Slide 24 December 2008

26 Standard process design for absorption and desorption of CO2 Siemens CO2 compressor solutions Solvent slip nearly zero Non-CCS reference plant: SSP (800 MWel,net, 600 C/610 C/270bar) ard coal Net efficiency 45.7%* without CCS 1750 /kwel,net (2008) Low degradation (O2) -90 MWth 50 MWel -3.1%-pts. CO2 concentration 99% pressure bar C igh absorption rate eating up solvent Desorption of CO2 Evaporation of reflux water Low energy demand 500 MWth -0.4%-pts. 5 MWel approx. 120 C 3 MWel -0.3%-pts MWth -280 MWth C Stringent environmental requirements are easily met -240 MWth 3 MWel -6.6%-pts. *all efficiencies on LV basis With standard process layout, the efficiency is 10.4%-pts. lower than the reference hard-coal fired power plant. Slide 25 December 2008 Energy Sector Siemens AG 2008

27 Pilot plant at an E.ON hard coal steam power plant in Germany, start-up 08/2009 DN200 industrial packing 150 Nm 3/ h slip stream Standard process layout is used in the first pilot plant for better comparison of results. Expected pilot plant results Absorber Desorber Flue gas long-term experience: stability, emissions, corrosion Operating parameters: start-up, part load, Water quenching with optional KO dosing desulphurization FG Cooler F102a/b F101a/b DN150 Atmospheric pressure Further model validation Tests for next-generation solvents Most critical step in the development is the validation of the process in a pilot plant under real flue gas conditions Slide 26 December 2008

28 Further process improvements in several development fields are ongoing Scale-Up Large Distributors Train Concept Equipment Optimization Efficiency Investment Costs Size Material Pressure Drop Type of Equipment (e.g. packing) Process Conditions Pump around Desorber Pressure Process temp. Process Optimization Power Plant Integration Process Configuration eat Integration Split Loop Configuration Low Temperature eat Integration Adaption of Turbine Operating Charactaristics Corrosiveness Material of Equipment (e.g. packing) Kinetics Activation Enhanced Mass Transfer Solvent Optimization Chemical Stability Additives Structure of Solvent Capacity Concentration of AAS Solubility New Functional AAS Lab-proven: η -9,2%-pt Potential improvements of advanced process configuration and integration of CO 2 compression decreases the efficiency drop to 9.2 %-points. Slide 27 December 2008

Major next steps on the way to a full scale postcombustion demo plant

4%-pts efficiency drop Plant dynamics: From base load to transient load

2%-pts efficiency drop new 2008 2009 2010 2011 2012 2013 2014 Lab plant,

CCS demo plant Start-up pilot plant with E.

29 Major next steps on the way to a full scale postcombustion demo plant Standard process layout: 10.4%-pts efficiency drop Plant dynamics: From base load to transient load conditions Improved process layout: 9.2%-pts efficiency drop new Lab plant, continuous operation Ready for basic engineering Commissioning of full scale CCS demo plant Start-up pilot plant with E.ON (hard coal) Pilot plant with other fuel (e.g. natural gas or lignite) Amino acid salt post-combustion process has major advantages and improvement potential for a commercially viable CCS plant. Slide 28 December 2008

30 Innovative Solutions for Power Generation Market & Investment Environment Innovative Power Generation Technologies CO2-capture technologies (overview) IGCC with Pre-Combustion Capture Post-Combustion Capture Capture-Ready / Retrofit solutions for SPP Slide 29 December 2008

31 Capture Ready Requirements All measures defined - reference Siemens steam power plant layout SSP Exhaust ducts consider p from CO 2 absorption unit later flue gas connection to capture unit (T-branch) Flue gas fan upgradeable design or additional space for installation of second fan downstream of FGD Steam turbine building sufficient space/foundation for: modification of turbines steam and condensate pipes installation of heat exchangers Steam turbines extraction of approx. 50 % of LP cross over steam options for modification of turbines depend on operation modes (part load, full load capability w/o CO 2 capture, other plant and site conditions) Electrical auxiliary load sufficient space for: additional auxiliary transformer(s) switchyard cable routes FGD either consider capacity extension in column design or provide space for additional FGD unit Air heating Optional: space for installation of heat exchanger(s) for lowest grade heat utilization Our offer proposal: Integration of carbon capture unit into the power plant Capture Ready / Retrofit Solutions Condensate system, sufficient space for: heat exchangers for low grade heat utilization additional piping routes with supporting structure / racks Cooling system sufficient space for: additional circulation pumps service water system sufficient cooling capacity of cooling tower..\..\capture ready\animation\fassung \CCapture_OTC_sound.avi Raw water & cooling water supply / Waste water treatment sufficient space for enlargement secure water utilization rights Slide 30 December 2008

32 Post-Combustion Capture Technologies Siemens competencies Power Plant Technology Chemical Engineering CO 2 Compression Air Quality Control Instrumentation & Control Systems O&M Services Alliance with POWERSPAN Proprietary 2 nd generation post-combustion process Slide 31 December 2008

33 Climate protection is feasible..three forces are needed to realize a sustainable energy supply Technology push R&D funding for key technologies Funding for fullscale demo projects Fair risk sharing between suppliers, operators and the public Market pull Reliable long-term investment incentives Global perspectives for equipment suppliers Legal basis and acceptance Legislation for geological storage Public relations in an open dialogue Cooperation of politics, industry, NGOs Only through joint forces of politics, power sector and industry climate protection can become reality Slide 32 December 2008

34 Many thanks for your kind attention! Version4 October 2008 Siemens AG 2008 Energy Sector

35 Disclaimer This document contains forward-looking statements and information that is, statements related to future, not past, events. These statements may be identified either orally or in writing by words as expects, anticipates, intends, plans, believes, seeks, estimates, will or words of similar meaning. Such statements are based on our current expectations and certain assumptions, and are, therefore, subject to certain risks and uncertainties. A variety of factors, many of which are beyond Siemens control, affect its operations, performance, business strategy and results and could cause the actual results, performance or achievements of Siemens worldwide to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements. For us, particular uncertainties arise, among others, from changes in general economic and business conditions, changes in currency exchange rates and interest rates, introduction of competing products or technologies by other companies, lack of acceptance of new products or services by customers targeted by Siemens worldwide, changes in business strategy and various other factors. More detailed information about certain of these factors is contained in Siemens filings with the SEC, which are available on the Siemens website, and on the SEC s website, Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described in the relevant forward-looking statement as anticipated, believed, estimated, expected, intended, planned or projected. Siemens does not intend or assume any obligation to update or revise these forward-looking statements in light of developments which differ from those anticipated. Trademarks mentioned in this document are the property of Siemens AG, it's affiliates or their respective owners. Slide 34 December 2008

Siemens Carbon Capture Technology

Siemens Carbon Capture Technology March 2011 Siemens Energy Sector Fossil Division New Technologies Siemens AG 2011 Energy Sector Siemens preferred solutions for CO 2 capture IGCC / Pre-combustion carbon