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The World Leader in Clean Small Turbine Energy Generation CenterPoint Energy April 9, 2008 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 Cooling fins Exhaust output Recuperator Fuel injector Air intake Combustion chamber Generator Compressor Air bearings Turbine 1 95 U.S. Technology Patents • One moving part: TurboGenerator shaft • Air bearings - No oil or grease • Air cooled - No liquid coolants Spring Foil Shaft 2 Inverter Based Electronics 3 4th-Generation Power Electronics 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 Battery Control Module •All digital DSP control •Transient power control •Bi-directional power control •Manages battery charge/health •Air cooled •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 4 MultiPac • Standalone – Island Mode – Up to 30 Units • Grid Connect – Parallel to grid or other source – Unlimited Units 5 Products • Capstone product line • C30 = 30KW • C65 = 65KW • C200 = 200KW • Capstone has pre-engineered packages to 1MW • C600 = 600KW • C800 = 800KW • C1000 = 1000KW • Controls 6 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 7 Market Drivers for CHP Rising Energy Prices Grid Capacity Constraints Power Security Climate Change 8 Gas Turbine Comparison Gas Turbine Comparison (Product Data Sheets, January 2008) 40 Solar Turbines Mercury 50 38 36 Capstone C200 Electrical Efficiency (%) 34 Capstone C1000 32 General Electric GE5-1 (DLN) Siemens SGT-100 Rolls Royce 501-KB7S Solar Turbines Centaur 50 Kawasaki GPB60D Solar Turbines Centaur 40 Elliott TA100R 30 Ingersol Rand MT250 Capstone C65 28 OPRA Turbines OP16-3B (DLE) Capstone C30 26 Solar Turbines Saturn 20 Kawasaki GPB15D 24 Rolls Royce 501-KB5S Kawasaki GPB30D 22 20 18 Dresser-Rand KG2-3E 16 Dresser-Rand KG2-3C 14 0 1 2 3 4 5 6 Power Output (MW) Highest Efficiency Less than 4 MW 9 C1000 ISO Efficiency 35 30 Efficiency (%) 25 20 15 Load Share Efficiency 10 Typical Turbine Efficiency 5 0 0 100 200 300 400 500 600 700 800 900 1000 Power (kW) High Part Load Efficiency 10 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 11 Vertical Applications CHP CCHP Best Value for Onsite Energy Generation Resource Recovery Secure Power 12 Market Segments Large Retailers Hospitals Telecom Resource Recovery Hotels Landfills U.S. Gov’t Schools Digesters Waste Water Plants 13 Microturbines vs Piston Engines Capstone Microturbines Traditional Piston Engines Ultra low emissions Local air permits and exhaust cleanup required Low maintenance – Six hours per year High maintenance – Oil changes, Coolant, Spark plugs On board digital electronics External controls without power electronics Integrated utility protection & synchronizing Requires external relays & control equipment Lightweight & small footprint More than twice the weight & footprint 14 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 cleanburning 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% 15 C1000 CHP • • Absorption chillers Cooling towers • C1000 16 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. 17 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 preexisting 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. 18 Green Building Case Study: Oregon Health & Science University U.S. Green Building Council awarded Platinum LEED certification – The highest level of certification granted • • • • 16 Story 400,000 SF medical facility Grand Opening January 19, 2007 Five C60-IHCP’s Units provide 300kW of power and building heating 19 Case 1: One-MW vs Grid • 1 MW of Generation – Grid: National, So. Cal, ConEd – 16x C65 Standard – 16x C65 CARB 90 75 • 8,000 hours of operation • Full Power and Standard conditions Source: http://www.epa.gov/cleanenergy/powerprofiler.htm National Avg Tons of NOx S. California 60 ConEd C65 Std Pkg 45 C65 CARB 30 15 0 Year 1 Year 5 Year 10 20 Case 1: One-MW of NG • 1 MW of ICE Generation • 8,000 hours of operation • Full Power and Standard conditions – Jenbacher J320-C86 (1.06 MW) – 16x C65 Standard – 16x C65 CARB 350 80 Tons of NOx 60 50 NOX - Jenbacher NOX - C65 Std Pkg NOX - C65 CARB CO - Jenbacher CO - C65 Std Pkg CO - C65 CARB 300 250 200 40 150 30 Tons of CO 70 100 20 10 50 0 0 Year 1 Year 5 Year 10 21 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 700 500 400 NOX - C30 Liq NOX - Cat NOX - Cummins CO - C30 Liq CO - Cat CO - Cummins 60 40 300 200 Tons of CO Tons of NOx 600 80 20 100 0 0 Year 1 Year 5 Year 10 22 • Jim Crouse, EVP Sales & Marketing • • (818) 407-3634 Doug Demaret, Sales Manager • • (818) 407-3638 Jason Klovski, Inside Sales • (818 734-5464 23