Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 26 Mar 2018 My Price 7.00

natural-gas fueled

A natural-gas fueled, 250-kW, solid-oxide fuel cell with a heat rate of 7260 Btu/kWh costs $1.5 million. In its cogeneration mode, 300,000 Btu/hr of exhaust heat is recovered, displacing the need for heat that would have been provided from a 75% efficient gas-fired boiler. Natural gas costs $5 per million Btu and electricity purchased from the utility costs $0.10/kWh. The system operates with a capacity factor of 80%.

a. What is the value of the fuel saved by the waste heat ($/yr)?

b. What is the savings associated with not having to purchase utility electricity ($/yr)?

c. What is the annual cost of natural gas for the CHP system?

d. With annual O&M costs equal to 2% of the capital cost, what is the net annual savings of the CHP system?

e. What is the simple payback (ratio of initial investment to annual savings)?

 

Answers

Maurice Tutor
(5)
Status NEW Posted 26 Mar 2018 07:03 AM My Price 7.00

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