Moving IGCC Forward. GE Energy. Emerging Technologies American Public Power Association. February 17, Norm Shilling Product Manager IGCC

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1 GE Energy Moving IGCC Forward Emerging Technologies American Public Power Association February 17, 2005 Norm Shilling Product Manager IGCC GE Energy

2 Coal Interest in North America Grows 72% Under construction is utility owned 27% Adv development, early, proposed is utility owned 89% On hold is non-utility owned Major risk factors ~132 ~132 Proposed coal coal plants plants GW GW Source: Platts NewGen, December 2004; Map Prepared using Platts PowerMap Long-term gas and coal prices Potential green house gas limitations Disruptive technologies

3 IGCC Milestones - Cool Water Demonstration Plant 1984 First Large Scale IGCC. Demonstrated IGCC Technical Feasibility. - Polk Tampa Electric 1996 Succesful Nitrogen Injection for NO x Control. Demonstrated IGCC Commercial Feasibility. - Exxon Singapore 2000 Exxon Singapore 2000 Demonstrated Wide Fuel Flexibility

4 Polk Performance Dispatch Cost ($/Mw-hr) (2004$) Polk IGCC Minimum Load Median Load Peak Load 0 10,000 20,000 30,000 40,000 50,000 60,000 Demand MW Power Generation Holding Co. Dispatch Analysis 2004 Sub Region Overview for: TECO Energy, Inc. Sub Region: Florida Reliability Coordinating Council

5 Coal Technology Comparison IGCC SCPC Capital Cost $/kw $1,450 $1,225 Emissions -NO x lb/mmbtu SO 2 lb/mmbtu PM lb/mmbtu Efficiency % HHV 40% 40% Fuel Flexibility Feedstocks All coals plus liq. & solid opportunity fuels Low sulfur (compliance) coals favored COE (1 st year) /kwhr *Cost and performance can vary based on projects Confidential - GE Proprietary Information

6 IGCC Is a Pollution Prevention Solution Capable of Meeting Future Environmental Challenges IGCC SCPC Concerns Mercury Removal % $/lb 95% $3,412 40%-70% $37,800 Contamination of PC solid waste Water gal/mw-hr Water restrictions & air cooling CO 2 kw penalty Capital Cost COE Increase -5% +30% +25% -28% +73% +66% Cap, credit or Tax ($6- $50/ton) Solid Waste Sludge Ash lb/mw-hr lb/mw-hr Land-bans Land-bans Aggregate (vitrified) lb/mw-hr 71 0 None Useful Byproduct Confidential - GE Proprietary Information

7 Coal s Challenge CO 2 Production per MWh Technology Pulverized Coal Steam Turbine Plant (41%) IGCC Plant (45%) IGCC Plant with Fuel Cell (w/o Sequestration) (50%) Heavy-Duty SC GT (37%) Natural Gas Fired Steam Plant (38%) Aero-Derivative SC GT (41%) FB Combined Cycle (58%) H Combined Cycle (60%) Solid Available Stripes Future Coal Natural Gas Thermal Efficiency Indicated (xx%) Natural Gas Fired Hybrid Fuel Cell (65%) Pounds per MWh

8 IGCC CO 2 Separation & Capture Heavy Oils, Petroleum Coke, Coal Gasification Sour Shift AGR / SRU H 2 CO 2 Sulfur Power Water Gas Shift Reaction CO + H 2 O CO 2 + H 2 H 2 O

9 GT Experience on Hydrogen Customer/ Site Model No. Gas Features Ilva Taranto MS9001E 3 Steel COG+BFG+LD 130 BTU/scf ANR/ Eagle Point MS7001EA 2 RFG ~8% H2 Arco/ Watson MS7001EA 4 RFG RFG+NG+Butane Exxon/ Baton Rouge MS7001EA 1 TG ~20% H2 Georgia Gulf MS7001EA 3 Blend Methane+50% H2 Harbor Cogen MS7001EA 1 RFG NG+8% H2 BASF/ Geismer MS600B 1 PG Up to 80% H2 AGIP/ Raffinera MS6001B 1 RFG ~34% H2 Cain Chemical MS6001B 1 RFG Blend DOW Chemical MS6001B 5 PG Blends EPON NV MS6001B 1 RFG 14% Butane Exxon/ Baton Rouge MS6001B 1 TG ~20% H2 Koch Refinery MS6001B 1 RFG 12% to 50% H2 Tosco/ Martinez MS6001B 2 RFG RFG+NG blend Mobil/ Beaumont MS6001B 1 RFG 17% to 40% H2 O'Brien Energy MS6001B 2 RFG NG blend Salinco MS6001B 1 PG 80%CH4; 14% N2; 3% Ethane Daeson Korea MS6001B 1 PG up to 95% H2 Tenerife MS6001B 1 RFG ~70% H2 NTPC Tonghua MS6001B 1 Steel BFG+COG; 120 BTU/scf Cartagena MS6000B 1 RFG 66% H2 BASF/ Ludwigshafen LM RFG 62.5% H2 30.5% CO DOW/ Stade LM PG 50% CH4/Hydrogen blend San Roque MS6000B 2 RFG 70% H2 Customer/ Site Model No. Gas Features Antwerpen MS6000B 1 RFG 78% H2 Puertollano MS6000B 2 RFG Up to 60% H2 La Coruna MS6000B 1 RFG Up to 52% H2 Rotterdam MS6000B 1 RFG 59% H2 CF Braun/NSM MS5001R 1 WG 9% H2 Golden Bell MS5001PA 1 TG 5% H2 Lucky Petro MS5001PA 1 RFG RFG+Propane; 5% H2 AGIP/ Livorno MS5001P 2 RFG ~45% H2 AGIP/ Milazzo MS5001P 1 RFG 30% to 50% H2 BPCL MS5001P 2 RFG H2, ethane, propane Cochin Refineries MS5001P 1 RFG 50% H2 Mobil/ Paulsboro MS5001P 2 RFG 20% to 60% H2 Piper Occidental MS5001P 1 RFG 14% to 17% ethane Shell Int'l MS5001P 1 RFG 60% H2, propane Yukong Ltd. MS5001P 1 TG ~40% H2 Hindustan Petro MS3002J 2 RFG 15% to 30% H2 Reutgerswerke MS3002J 1 PG 60% H2 Sohio Alaska MS3002J 1 PG 12% ethane; 9% propane Sonatrach MS3002J 1 PG 12% ethane; 7% propane Uhde NUP MS3002J 1 TG ~60% H2 Donges GE10 1 RFG 76% H2 Petrobras/ Replan LM RFG 14.2% H2 21.5% olefins Valero/ Benecia LM RFG 32.7% H2 12.5% olefins Zarqa Refinery PGT10 1 RFG 82% H2

10 GE Worldwide Gasification Technology July 1, 2004 GE acquisition of CVX Worldwide Gasification Technology Integrated gasification combined cycle (IGCC) power production Chemical / refinery (polygen) process applications October 4, 2004 GE/Bechtel Alliance announced

11 GE Gasification GE Syngas Installed Capacity Base Lurgi Other Shell High Growth ConocoPhillips (E-gas) Power, Chemical and Refinery (Polygen) Chemicals North America GE Energy (TGP) Source: SFA Pacific Data Base PolyGen Power Western Europe Global Presence China Asia/Australia

12 GE IGCC Experience Company Size (MW) Cool Water (US) 120 PSI Global (US) 250 Tampa Electric (US) 250 Frontier Refining (US) 45 SUV (Czech Republic) 350 Schwarze-Pumpe (Germany) 40 Pernis (Holland) 120 Sierra Pacific (US) 100 Sarlux (Italy) 550 ISAB (Italy) 510 api Energia (Italy) 280 ExxonMobil (Singapore) 160 Motiva LLC (US) 160 NPRC (Japan) 342 NexenOpti (Canada) 160 Total: 3,437 Feedstock GE Scope COD Coal Syngas/Power 1984 Coal/ PetCoke Power 1995 Coal/PetCoke Syngas/Power 1996 PetCoke Power 1996 Coal Power 1996 Lignite Power 1996 Resid Oil Power 1997 Coal Power 1998 Visbreaker Tar Syngas/Power 2001 Asphalt Syngas 2001 Visbreaker Tar Syngas 2001 Cracked Tar Syngas/Power 2001 Fluid Coke Syngas/Power 2002 Asphalt Syngas 2003 Bitumen Power 2006 MW

13 GE IGCC Product + World Class IGCC Team in Place Acquisition of ChevronTexaco's gasification technology Joins the two major IGCC components Process and Power Block Transitioning gasification from licensing to product business Vision Single point IGCC responsibility Focus on reducing plant cost and enhancing performance GE alliance with Bechtel to deliver standard 600MW IGCC plant

14 Moving IGCC Forward Alternatives: Asphalt Coal Heavy Oil Petroleum Coke Orimulsion Natural Gas Wastes Oxygen POWER BLOCK Gasifier Syngas Sulfur Removal GASIFICATION BLOCK Slag Marketable Byproducts: Sulfur Alternatives: Hydrogen Ammonia Chemicals Methanol Fischer-Tropsch Liquids (zero sulfur diesel)

15 GE F-Class IGCC Evolution Enhancing IGCC Economics 7FA Natural Gas MW ISO Higher Firing Temperature Increased Pressure Ratio IGCC Combustor Modified Turbine Nozzle 7FA IGCC 192 MW ISO FA+e IGCC 197 MW ISO 2001 Higher Torque Rotor Combustor Developments 7FB Advanced IGCC 211 MW ISO 2006

16 MS7001FB Latest Air-Cooled Gas Turbine PG7211(F) PG7221(FA) PG7231(FA) PG7241(FA) PG7251(FB) Turbine SC Output, MW X CC Output, MW X CC Efficiency, LHV Firing Temperature, C Pressure Ratio 13.5:1 15:1 15:1 15.5:1 18.5:1 Compressor Stages Turbine Stages Combustion Chambers Year of First Shipment

17 Coal Turbine Progression NG 7FA (150MW) NG 7FA + e (172MW) NG 7FB (184MW) IGCC 7FA (192MW) IGCC 7FA + e (197MW) IGCC 7FB (210MW) Key Factor in IGCC Capital Cost Reduction

18 Multi-nozzle IGCC Combustor Shared for GE F-Class GTs Modified Diffusion Combustor for Low Heating Value Fuels Dynamic Pressure Locations Flowsleeve Steam Blended Fuel Fuel Nozzles Emissions Rake Transition Piece (Differs For 9FA) Natural Gas Endcover Combustion Casing Combustion Liner T/C Rake Location Stage 1 Nozzle (Nozzle Box For Test)

19 Reliability/Availability/Maintenance - IGCC achieves same RAM as NG CC Automatic Fuel Switch/ Nitrogen Purge Clean Syngas Reduced Firing Temp to Maintain Design Metal Temp/ 100% Life Life Fraction IGCC CONTROL SYSTEM Vol % H 2 O in Exhaust 30 40

20 IGCC Output Advantage Gen Syngas 16% Air - 100% Natural Gas 2% Gas Turbine NG Exhaust 102% SG Exhaust 116% 7FA (MWe) Gas Turbine Output vs. Ambient Temperature Syngas 7FA/9FA Current Torque/IGCC Limit Near Future Torque Limit Additional Output 9FA (MWe) 7FA/9FA - Natural Gas Ambient Temp. (Deg. F) Ambient Temp. (Deg. C)

21 Polygeneration Maximizing Coal Value IGCCbased Poly- Generation CO, H 2 Sulfur Slag Metals Tail gas Hydrogen Ammonia Clean fuels Fertilizer Plastics Construction Fertilizer Metals recovery Lowest Net Environmental Impact /kw-hr Captured CO 2

22 Summary New alliances are removing commercial complexity of IGCC. GE Gasification combines two leaders in IGCC technology and experience IGCC will benefit from focus on top level product development IGCC entitlement will be realized with large scale deployment