150ERESC Kohler Home Generator 150 Kw

150 kW Generator

150ERESC SINGLE PHASE OR 3 PHASE, Natural Gas (NG) / Propane (LPG)


Reliable power for very large residential or small business needs. Built to weather the storms, our largest natural gas/liquid propane generators with industrial-grade engines keep your family comfortable and your business running when a utility failure or storm knocks out power.

  • Powerful.
    In just 10 seconds, your KOHLER generator automatically powers everything, keeping you connected to the things you love to do.*
  • Smart.
    You get steady, high-quality power that protects your electronics from damage related to low-quality power sources.
  • Advanced.
    The Decision-Maker® 3000 controller with patented software is compatible with optional accessories that let you monitor your system remotely through your PC.
  • Exterior options.
    Choose the optional corrosion-resistant aluminum enclosure or standard steel enclosure.
  • Premium warranty.
    We’ve got you covered with 5-year, 2,000-hour protection.


  • A popular choice for industrial applications
  • Excellent peak motor-starting capacity: 440kVA at 240V
  • Premium power quality delivers exceptional digital voltage and frequency regulation along with extremely low levels of harmonic distortion to protect sophisticated electronics
  • Powered by General Motors Vortec automotive-grade engine with hydraulic valve lifters to eliminate need for lengthy break-in periods and expensive valve adjustments; operation speed 1800 rpm


  • Decision-Maker® 3000 controller provides advanced control, system monitoring and system diagnostics with remote-monitoring capability
  • Quiet, neighborhood-friendly operation with sound similar to a typical central air conditioner
  • Standard steel enclosure with automotive-grade paint
  • Optional corrosion-resistant aluminum enclosure
  • Runs on either natural gas or liquid propane (LPG) with simple switching between natural gas and LPG in the field

*Based on generator and load size.

150ERESC SINGLE PHASE OR 3 PHASE, Natural Gas (NG) / Propane (LPG)

Rated kW LP134 kW
Rated kW NG144 kW
Amps LP557 amps
Amps NG600 amps
Peak Motor Starting kVA @240 V440 kVa
Alternator NoteAll information shown is for 1 Phase 60 Hz generator with the largest alternator option available.
Displacement8.8 L (537 cu. in.)
HorsepowerNG 259 HP, LP 226 HP
Enclosure MaterialSteel|Aluminum
Sound Output During Full-speed Operation73 dB(A)
Response Time10 seconds
WarrantyFive-year extended warranty
Country of OriginUS
Certifications/ListingsEPA|CSA|UL 2200
Automatic Transfer Switch IncludedNo
Remote Monitoring AvailableYes
Off Grid / Utility BackupUtility Backup
Weight3813 lbs.
Alternator TypeBrushless, Permanent-Magnet
Fuel Consumption on NG at 50% load?984 cfh
Fuel Consumption on LP at 50% load?354 cfh
ControllerDecision-Maker® 3000
Cylinder ArrangementV-8
Dimensions3526mm x 1153mm x 1696 mm (138.8 in. x 45.4 in. x 66.8 in.)
Engine Manufacturer/DescriptionGeneral Motors
Engine ModelIndustrial Powertrain Vortec 8.8L
Engine/Alternator RPM1800
Fuel TypeNatural Gas|LPG
Frequency60 Hz
PhaseSingle Phase or 3 Phase
Voltage @ 60 Hz120/240
Digital Voltage Regulation±0.5%
Built in Mounting PadNo
Weight3890 lbs
Dimensions145 × 50 × 70 in



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