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Caterpillar, G20CM34, Natural Gas Generator Sets, 9.82 MW, 60 Hz, New (55 Units) (New)

Caterpillar, G20CM34, Natural Gas Generator Sets, 9.82 MW, 60 Hz, New (55 Units)

Description

  1. Overview
    1. 55 new Caterpillar G20CM34 natural gas generator sets, 9.82 MW each at 60 Hz, about 540 MW in total.
    2. From a production order, now nearing completion; about 10 months delivery, all 55 units by the second quarter of 2027.
    3. Factory warranty.
  2. Engine
    1. G20CM34: 20 cylinder, Vee configuration, four stroke, spark ignited natural gas engine.
    2. Turbocharged and aftercooled, Miller cycle with dual turbochargers.
    3. 720 rpm constant speed; compression ratio 12.4.
    4. Brake mean effective pressure about 21.9 bar (317.6 psi).
  3. Performance (60 Hz)
    1. Rated power: 9.82 eMW (13,170 hp).
    2. Electrical efficiency: about 48% (without pumps).
    3. Heat rate: 7,260 Btu/ekWh at 100% load (without fans).
    4. Methane rating: 75 MN without derate.
    5. Lube oil consumption: 0.3 g/kWh.
    6. Exhaust temperature: 350 to 400 C (662 to 752 F).
  4. Emissions
    1. NOx: 1.3 g/bkWh (1.0 g/bhp-hr).
    2. CO: 1.5 g/bkWh at 100% and 75% load.
    3. CH4: 2.7 g/bkWh at 100%, 3.25 g/bkWh at 75% load.
    4. CO2: 434 g/bkWh at 100%, 443 g/bkWh at 75% load.