Qualified Energy Recovery A Green Power Technology No additional fuel consumption Near zero emissions with air cooled OEC Inside the fence installation on existing sites. No water consumption with closed loop operation No creation or disposal of waste Displaces fossil fuel based energy No new transmission required

Qualified Energy Recovery A Green Power Technology NEVADA: AB 429 accepts Qualified Energy Recovery from non electrical generating sources such as mining processes, as eligible for RPS NORTH DAKOTA: Pipeline Compressor GT Exhaust Gas Energy Recovery Is eligible for green tags or green energy sales SOUTH DAKOTA: Consider these projects as renewable energy resources OTHERS: Under Consideration in Many States

Heat Sources Industrial and Process Plants Cement, Glass, Petrochem, Mining, Metals, et al Gases; >400F (204C) Liquids; >200F (93C) LP Steam; any 250kW to 10 MW (per module) Gas Pipeline Compressor Stations Gas Turbine Exhaust

Recovered Heat Power Generation ORMAT® Energy Converter Organic Rankine Cycle Efficient, Cost-Effective, Reliable Greater than 98% availability Totally Waterless No blowdown, disposal, or make-up Air-cooled condenser Fast, easy permitting Unattended, Remote Operation

ORMAT SELECTED ENERGY RECOVERY PROJECTS PROJECT NAME LOCATNMWYEARORMAT ROLEOWNER OPERATOR Neptune GasLuouisiana USA 4.0 MW2003EPC equipment for recovery of heat from turbine exhaust Enterprise Partners LLC. Heidelberger Cement Germany1.5 MW1999Design/supply of equipment for recovery of heat from clinker cooler Heidelberger Cement Gold CreekCanada6.5 MW1999Design/supply of equipment for recovery of heat from gas turbine exhaust Maxxam Energy MinakamiJapan600 KW1998Design/Supply of equipment for recovery of heat from MSW Incinerator Ishikawajima Hanyoki Service TG2 KawerauNew Zealand 3.5 MW1993Design/Supply of equipment for recovery of heat from Paper Process Bay of Plenty Electric Power Board Shijiazhuang Heating & Power China1.3 MW1993Design/Supply of equipment for recovery of heat from MSW Incinerator Shaijiazhuang Thermal Power Gas Company

ORMAT Air Cooled Bottoming Cycle 1515

Gas Pipeline Compressor Stations Case History Gas Turbine Exhaust Gold Creek Project – TransCanada Pipeline RB 211 gas turbine 6.5 MW OEC 1999 start-up Air cooled Unattended ( Station manned 5 hours per week)

6.5 MW ORMAT POWER PLANT GOLD CREEK COMPRESSOR STATION TRANSCANADA PIPELINE 1502

1516 Potential Net* Electrical Output from Gas Turbines Exhaust

ORMAT® Energy Converters (OEC) Typical Applications of Recovered Energy Chemical Plant Hot Water Application 1 Application 2 Pulp and Paper Mill Condensing Low Pressure Steam Petrochemical Plant Condensing Hydrocarbons (Top Vapors) Application 3 Application 4 Cement Plant Clinker Cooler Application 5 Exhaust Gases Gas Turbine Bottoming Application 6 Application 7 Charged Air Air Cooled Condensers Design Point Ambient Temperature 11 o C Exhaust Gases Air Cooled Condensers Design Point Ambient Temperature 2 o C Diesel Generators Heat Stream Type Flow Rate (tons/hr) Temperature Inlet ( o C) Temperature Outlet ( o C) Cooling Water: Flow Rate (Tons/hr) Inlet Temp. o C Outlet Temp. o C OEC Net Output to Grid - kW Location Oil Refinery Liquid Diesel Oil

Natural Gas Compression Plants (Gas Turbine Powered Only)

US Market Potential Organic Rankine Cycle Bottoming on Gas Turbine Powered Compressors Over 1,400 Simple Cycle Gas Turbines in Operation for gas compression at more than 600 Plants Nationwide. 10,000,000 Installed Hp Operating at 30% Efficiency. 932 MW of Electrical Generation Potential 189 MCFD of Offset Natural Gas Combustion 11,000 TPD of Offset CO 2 Production