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

124 Part3: Summary of country studies – Bangladesh and Viet Nam
1. Economic and Technical Data
(1). Economic Data
RECIPROCATING ENGINE: 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) % 5.0
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
Heat Recovery Steam Generator Efficiency % 65
Total Installation Cost Peso 158,679,722
2. Energy Analysis
(1). CHP Power to Heat Ratio kW e /kW th 1.86
(2). Power
kW/(ton/hr Steam) 1,252
Site Electricity Requirement MWh/yr 12,715
Power Generating Capacity kW 6,259
Electricity Generation MWh/yr 46,876
Deficit(-)/Excess(+ ) Power MWh 34,161
(3). Heat
Site Heat Requirement TJ/yr 158.0
Heat Generation TJ/yr 103.4
Heat Utilisation TJ/yr 103.4
Deficit(-)/Excess(+ ) Heat TJ/yr -54.6
(4). Fuel
CHP Fuel Consumption TJ/yr 482.2
Fuel Saving Compared with Conventional Production % 30.3
3. Financial Analysis
Internal Rate of Return % 16.7
Net Present Value: Peso 16,712,528
Discounted Pay-back Period Year 12.73
4. Summary: Reciprocating Engine, Thermal Match
Technical Parameters
Process Steam Pressure Bar 7
Power Generating Capacity kW 6,259
Steam Generating Capacity kg/hr 5,000
Power to Heat Ratio 1.86
Energy Analysis Results
kW/(ton/hr Steam) 1,252
Excess (+ )/Deficit (-) Power MWh/yr 34,161
Excess (+ )/ Deficit(-) Heat TJ/yr -55
Financial Analysis Results
Internal Rate of Return % 16.7
Net Present Value Peso 16,712,528
Discounted Pay-back Period Year 12.73