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Capstone Turbine Corporation • 21211 Nordhoff Street • Chatsworth • CA 91311 • USA Phone: (818) 734-5300 • Fax: (818) 734-5320 • Web:

Technical Reference Capstone Model C65 Performance


This document presents performance information for the Capstone Turbine Corporation® Capstone (recuperated) Model C65 MicroTurbineTM. The Capstone Model C65 MicroTurbine system is a compact, low emission, power generator providing up to 65 kW of electrical power.

ISO Full Load Performance

Performance is listed at full load power and ISO conditions for the Capstone Model C65 MicroTurbine. ISO conditions are defined as: 15 °C (59 °F), 60% relative humidity, and 101.325 kPa (14.696 psia) (standard sea level pressure), with no inlet or exhaust pressure losses. Other items are defined as: HHV: Higher Heating Value, LHV: Lower Heating Value, and HPNG: High Pressure Natural Gas.

Table 1 presents the (recuperated) Model C65 MicroTurbine performance for HPNG application.

Table 1. Capstone Model C65 MicroTurbine Performance (Grid Connect/Stand Alone)



Rated Output

65.0 (+0/-2) kW

Net Thermal Efficiency

29.0 (±2)% LHV

Fuel Flow (LHV Based) (See Notes 1 and 2)

807,000 kJ/hr (765,000 Btu/hr)

Fuel Flow (HHV Based) (See Notes 1 and 2)

888,000 kJ/hr (842,000 Btu/hr)

Net Heat Rate (LHV Based) (See Notes 1 and 2)

12,400 kJ/kWhr (11,800 Btu/kWhr)

Generator Heat Rate (LHV Based)

11,600 kJ/kWhr (11,000 Btu/kWhr)

Exhaust Temperature

309 °C (588 °F)

Exhaust Heat Energy Rate

591,000 kJ/hr (561,000 Btu/hr)

Exhaust Mass Flow

0.49 kg/s (1.08 lbm/s)

Engine Air Inlet Flow

965 SCFM (27,300 SLPM)


1. These parameters are fuel-type dependent.

2. Higher Heating Value (HHV) to Lower Heating Value (LHV) ratio is to be assumed 1:1.

410048 Rev B (August 2008) Page 1 of 15

Capstone reserves the right to change or modify, without notice, the design, specifications, and/or contents of this document without incurring any obligation either with respect to equipment previously sold or in the process of construction.

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