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Date: 5/31/2003
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Prepared By: Global Energy
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Microturbines and Gas Turbines
Basics:
1 Therm = 100,000 BTU
1 cubic foot of gas = 1,000 BTU
1 mcf = 1,000 cu.ft. = 1,000,000 BTU or 1 mmbtu
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Unit
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Capstone 30 kw
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Capstone 60 kw
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Ingersoll-Rand 70 kw
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Ingersoll-Rand 250 kw
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Ingersoll-Rand 1700 kw
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Solar Cat Taurus 60 5,500 kw
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Fuel Cell
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kilowatts /hr
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30
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60
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70
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250
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1700
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5376
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100
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heat rate LVH (btu per kw)
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13,700
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12,200
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13,550
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10,700
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10,500
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11,225
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8,000 est.
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Fuel Flow BTU/hr (HHV)
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411,000
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804,000
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948,500
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2,975,000
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17,850,000
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61,737,500
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800,000
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Fuel Flow mcf per hour
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.411
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.804
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.949
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2.98
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17.85
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61.74
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.800
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Fuel Flow at 100% output - mcf per day
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9.86
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19.30
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22.76
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71.40
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428.40
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1,481.70
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19.2
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Total Exhaust Energy in btu
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310,000
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541,000
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682,920
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2,171,750
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12,495,000
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39,900,000
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600,000
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Design Life Hours
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50,000
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50,000
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80,000
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80,000
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80,000
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100,000
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7,000
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Global Energy Pricing Unit Cost
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$26,000
(84 units available)
$35,500 new from factory
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$55,500 new
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$100,000 new
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$300,000+ new
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$1,700,000 new
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$2,100,000 (36 units available)
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$1,300,000
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Cost Per Unit Life per kwh
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$.0173
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$.0167
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$.0143
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$.0125
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$.0096
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$.0039
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$1.86
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Overhaul Cost at End of Life (est)
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$5,000
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$15,000
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$15,000
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$60,000
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$300,000
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Requires periodic overhauls and
checks
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Buy new unit
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Notes
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Units are trailer mounted
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Still under development
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Notes: Exhaust heat can be used to heat liquids, in a
chiller, or through a dehumidification unit.
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