part 1: overview of cogeneration and its status in asia - Fire

126 Part3: Summary of country studies – Bangladesh and Viet Nam
1. Economic and Technical Data
(1). Economic Data
GAS TURBINE: THERMAL MATCH
Fuel Name Diesel
Fuel Net Calorific Value MJ/kg 39
Unit of Fuel Purchased (e.g. kg, m 3 , litre) kg
Fuel Purchase Price Peso/kg 2.65
Fuel Price Escalation Rate % 5.0
Boiler O & M Cost (% of Boiler Cost) % 5.0
CHP O&M Cost (% of Installation Costs) % 2.5
Escalation Rate for O&M Costs % 5.0
Standby Capacity kW 500
Insurance Cost (as % of book value of equipment) % 1.0
Service Life of Cogeneration Facilities Years 15
Salvage Value of Cogeneration Facilities Peso 0
(2) Technical Data
Heat Demand to be Met by CHP Boiler kg/hr 5,000
Steam Process Pressure Steam Pressure Bar 7
Waste Heat Boiler Efficiency % 65.0
Total Installation Cost Peso 90,828,571
2. Energy Analysis
(1) CHP Power to Heat Ratio kW e /kW th 0.74
(2). Power
kW/(ton/hr Steam) 498.6
Site Electricity Requirement MWh/yr 12,715
Power Generating Capacity kW 2,493
Electricity Generation MWh/yr 18,673
Deficit(-)/Excess(+ ) Power MWh 5,958
(3). Heat
Site Heat Requirement TJ/yr 158
Heat Generation TJ/yr 103
Heat Utilisation TJ/yr 103
Deficit(-)/Excess(+ ) Heat TJ/yr -55
(4). Fuel
CHP Fuel Consumption TJ/yr 268.9
Fuel Saving Compared with Conventional Production % 23.9
3. Financial Analysis
Internal Rate of Return % 15.2
Net Present Value Peso 1,218,335
Discounted Pay-back Period Year 14.64
4. Summary: Gas Turbine, Thermal Match
Technical Parameters
Process Steam Pressure Bar 7
Power Generating Capacity kW 2,493
Steam Generating Capacity kg/hr 5,000
Power to Heat Ratio 0.74
Energy Analysis Results
kW/(ton/hr Steam) 498.6
Excess (+)/Deficit (-) Power MWh/yr 5,958
Excess (+)/ Deficit(-) Heat TJ/yr -55
Financial Analysis Results
Internal Rate of Return % 15.2
Net Present Value Peso 1,218,335
Discounted Pay-back Period Year 14.64