Cat G3512H Combined Heat and Power (CHP) Solution
Cat G3512H Combined Heat and Power (CHP) Solution
Cat G3512H Combined Heat and Power (CHP) Solution
Cat G3512H Combined Heat and Power (CHP) Solution

The CHP1500 is an enclosure standardized for natural gas-fueled Cat® G3512H engines rated 1.5 MW, with generator rated for 4160V for combined heat and power (CHP) applications. In CHP applications, Cat gas generator sets simultaneously provide electricity for electrical loads and heat energy for a facility's thermal requirements. Caterpillar will offer customers complete CHP solutions eliminating the need to outsource additional engineering or project management.

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Maximum Continuous Rating 1490 ekW @ 1.0pf
Fuel Type Natural Gas
Maximum Electrical Efficiency 42.50%
Frequency 60 Hz
RPM 1500 rpm
Frequency 60 Hz
Engine Model G3512H
Displacement 3574 in³
Aspiration TA
Bore 6.7 in
Stroke 8.5 in
Fuel System Electronic Fuel Control Valve
Governor Type ADEM™ A4
Compression Ratio 11.1
Length 716 in
Width 155 in
Height 467 in
Dry Weight - Genset 34700 lb
Weight 161600 lb

  • Robust high speed block design provides prolonged life and lower owning operationg costs
  • Designed for maximum performance on low pressure pipeline natural gas
  • Simple open chamber combustion system for reliability and fuel flexibility
  • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
  • One electronic control module handles all engine functions: ignition, governing, air/fuel ratio control and engine protection

Extensive range of rental ready features to meet job requirements and applications.

Generator set manufactured in ISO 9001:2000 compliant facility.Package factory designed and production tested.

  • Simple user friendly interface and navigation
  • Digital monitoring, metering and protection setting
  • Fully-featured power metering and protective relaying
  • Remote control and monitor capability options

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

Cat SR5 generator designed to match the performance and output characteristics of the Cat Gas engine.Class H insulation operating at Class F temperature rise for extended life.System 4 insulation protection and anti-condensation space heaters.Integrated Automatic Voltage Regulation (Cat IVR) provides enhanced system monitoring.

Meets most worldwide emissions requirements down to 500 mg/Nm3 NOx level without after treatment.Optional: Oxidation catalyst available

Meets 75 dB(A) at 7 meters. Weather Proof enclosure, NSPS factory compliant, UL2200 compliant, and CSA/TSSA. Service and Personnel doors. Separate electrical control room. Internal and External emergency stop buttons at convenient locations.

  • Field proven in a wide range of applications worldwide
  • Fully prototype tested
  • Certified torsional vibration analysis available

110% spill containment of onboard engine fluids.Positive crankcase fumes ventilation.

  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation

Cat® dealers provide extensive post sale support including maintenance and repair agreements. Supported 100% by the Cat dealer with warranty on parts and labor.

Provides 40⁰C (104⁰F) ambient capability with 500 mg/Nm3 NOx (1g/hp-hr) at 100% continuous rating before derate @ 500m. Variable frequency drive fan controls improve partial load fuel consumption. Energy efficient electric drive fan.