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The World Leader in Clean Small Turbine Energy Generation

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  1. The World Leader in Clean Small Turbine Energy Generation CenterPoint Energy April 9, 2008

  2. Cooling fins Exhaust output Recuperator Fuel injector Air intake Combustion chamber Generator Compressor Air bearings Turbine What is a Capstone turbine? • In layman's terms, “A miniature jet engine that runs at speeds up to 96,000 rpm and generates electricity and heat. • Electrical power output: 30 kW to 5MW range • Highly Reliable • Ultra low emissions • Multiple fuels; natural gas, propane, diesel, biodiesel, methane/biomass • Simple/cost effective design • Low maintenance

  3. One moving part: TurboGenerator shaft 95 U.S. Technology Patents Spring • Air bearings - No oil or grease Foil Shaft • Air cooled - No liquid coolants

  4. Inverter Based Electronics

  5. Regulated DC Bus Engine Control Module • All digital DSP control • Controls turbine operation • Wide speed control range • Sensorless generator control • Small and lightweight • Built in dynamic brake • Built in system power supply • Air cooled Load Control Module • All digital DSP control • Built in neutral • Built in protective relays • Built in synchronization • Built in paralleling capability • Grid Connect or Stand Alone • No transformer required • 100 kVA rating • Air cooled • IEEE 519 compliant • UL 1741 certified • NY & CA state certified for direct-to-grid interconnection Battery Control Module • All digital DSP control • Transient power control • Bi-directional power control • Manages battery charge/health • Air cooled 4th-Generation Power Electronics

  6. MultiPac • Standalone • Island Mode • Up to 30 Units • Grid Connect • Parallel to grid or other source • Unlimited Units

  7. Products • Capstone product line • C30 = 30KW • C65 = 65KW • C200 = 200KW • Capstone has pre-engineered packages to 1MW • C600 = 600KW • C800 = 800KW • C1000 = 1000KW • Controls

  8. Company Highlights • Capstone is the world leader in small turbine power generation • 20 Years building turbines • Over 4,500 units shipped • Over 18 million hours of operation • Proven technology with customer demonstrated availability and reliability • MTBF of 13,000+ hours for the C65 • MTBF of 15,200+ hours for the C30 • More than 50 distributors worldwide • Factory Remanufacturing program • Factory Protection Plans (FPP) • Supported by Authorized distributors

  9. Market Drivers for CHP Rising Energy Prices Grid Capacity Constraints Power Security Climate Change

  10. Gas Turbine Comparison Highest Efficiency Less than 4 MW

  11. C1000 ISO Efficiency High Part Load Efficiency

  12. Fuel Flexibility • C30 & C65 • Natural gas • Low BTU gas down to 325 BTU/Cu. Ft • LPG • Liquid fuels • Diesel • Kerosene • Bio Diesel • Jet fuel • C200 • Natural Gas • Low BTU gas • LPG • Liquid fuels in 2009

  13. Vertical Applications CHP CCHP Best Value for Onsite Energy Generation ResourceRecovery Secure Power

  14. Market Segments Large Retailers Telecom Hospitals Resource Recovery U.S. Gov’t Schools Hotels Digesters Landfills Waste Water Plants

  15. Microturbines vs Piston Engines

  16. CCHP Case Study:Ronald Reagan Presidential Library and Museum The Issues: • Overcome potential power supply issues and rolling blackouts • Keep exhibit building containing retired Air Force One jet cool, comfortable, and well lit The Solution: • 16 C60 microturbines running on clean-burning natural gas supply 95% of the facility’s electricity • Three 129-ton direct exhaust-fired absorption chillers create 387 tons of refrigeration for cooling • Exhaust from the microturbines provide hot water to heat the pavilion Savings: • Over $300,000 in annual operating costs • $823,156 incentive reduced installation cost 30%

  17. C1000 CHP • Absorption chillers • Cooling towers • C1000

  18. Hybrid Electric Vehicle Case Study:DesignLine / Hybrid Buses The Issues: • Run low emission vehicles in densely populated areas • Increase fleet efficiency • Reduce maintenance • Improve reliability The Solution: • The buses' Capstone turbine generates electricity to charge batteries, which run electric motors. The batteries are charged overnight and the turbine system recharges them when operating. • The vehicles are fitted with remote monitoring which means Designline engineers can talk to the on-board computers monitoring performance and carry out diagnostic checking.

  19. Secure Power Case Study:Boeing Data / Telecom System The Issues: • Protect data and phone networks and equipment from grid outages • Minimize noise and vibration • Allow minimal environmental impact The Capstone C30 demonstrates its small footprint on site at Boeing. The Solution: • A Capstone C30 microturbine was installed in a pre-existing enclosure near the building’s loading dock • The natural gas powered microturbine provides electric power 24x7 to the network and equipment • The microturbine ensures uninterrupted service in the event of a grid power outage • The Capstone technology was preferred over UPS batteries and genset engines due to their noise, emissions and vibrations Installation was simple, with the turbine placed in an existing enclosure.

  20. 16 Story 400,000 SF medical facility Grand Opening January 19, 2007 Five C60-IHCP’s Units provide 300kW of power and building heating Green Building Case Study:Oregon Health & Science University U.S. Green Building Council awarded Platinum LEED certification – The highest level of certification granted

  21. Case 1: One-MW vs Grid • 1 MW of Generation • Grid: National, So. Cal, ConEd • 16x C65 Standard • 16x C65 CARB • 8,000 hours of operation • Full Power and Standard conditions Source: http://www.epa.gov/cleanenergy/powerprofiler.htm

  22. Case 1: One-MW of NG • 1 MW of ICE Generation • Jenbacher J320-C86 (1.06 MW) • 16x C65 Standard • 16x C65 CARB • 8,000 hours of operation • Full Power and Standard conditions

  23. Case 2: 500 kW on Diesel #2 • 500 kW of ICE Generation • 17x C30 Liquid (510 kW) • Caterpillar C18 (500 kW) • Cummins QSK23 (570 kW) • 8,000 hours of operation • Full Power and Standard conditions

  24. Jim Crouse, EVP Sales & Marketing • (818) 407-3634 • Doug Demaret, Sales Manager • (818) 407-3638 • Jason Klovski, Inside Sales • (818 734-5464