Triton Power · TP-NG

Triton Power TP-NG150-S-K-UL

150 kW standby / 135 kW prime · Natural Gas · Liquid-cooled

150 kW natural gas generator with PSI 8.8L CAC engine. UL2200 listed for commercial and industrial standby applications.

Standby power
150 kW / 135 kW prime
Voltage options
120/208V, 277/480V
Frequency / Phase
60 Hz · 3-phase
Engine
PSI 8.8L CAC · 8.8L
EPA / Emissions
EPA Stationary Spark Ignition
Alternator
Leroy Somer LSA44.3
CommercialManufacturing
Configure & Quote

Overview#

The Triton Power TP-NG150-S-K-UL is a 150 kW natural gas standby generator powered by a PSI (Power Solutions International) 8.8L turbocharged V-8 engine with charge air cooling, running at 1800 RPM. This unit is part of Triton's EPA-certified natural gas generator lineup and is UL2200 listed for the US and Canadian markets. The Leroy Somer Class H insulation alternator delivers 150 kW standby and 135 kW prime power in three-phase configuration at 120/208V and 277/480V.

The PSI 8.8L platform is designed specifically for stationary gas power generation, with hardened components for the demands of gaseous fuel combustion. At 150 kW, this unit covers the full load for mid-size commercial buildings, warehouses, and light industrial facilities. Sound levels are rated at 64 dBA, and the unit complies with EPA Stationary Spark Ignition emissions standards for permanent installation.

Our service experience#

The 150 kW class is a common specification for commercial buildings requiring full-facility backup beyond just emergency lighting and life safety. The PSI 8.8L V-8 is a robust engine with straightforward maintenance requirements. Natural gas units in this range avoid the fuel degradation and tank inspection issues associated with diesel standby generators that may sit idle for months between exercises.

Engineering specifications

Acoustic

Sound @ 7m, full load
64 dBA

Ready to order this model?

Configure your Triton Power TP-NG150-S-K-UL

Lock the enclosure, fuel system, transfer switch, and add-ons — we'll confirm pricing, availability, and lead time within one business day. Prefer a free-form quote? That option is still here.

Configure & Quote →Just request a quote

Estimate runtime for the Triton Power TP-NG150-S-K-UL

Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.

Estimate runtime on this tank

Fuel demand at 75% load

1,575,000 BTU/hr≈ 1575.0 cf/min @ 1,000 BTU/cf

On utility natural gas the runtime is generally unlimited provided the supply line and meter can deliver this BTU/hr at the engine's required inlet pressure (typically 5–14" WC residential, up to 5 psi commercial). Confirm against the OEM's published fuel-pressure spec.

Frequently Asked Questions

What engine powers the Triton TP-NG150?
The TP-NG150-S-K-UL uses a PSI (Power Solutions International) 8.8L turbocharged V-8 engine with charge air cooling (CAC). PSI engines are purpose-built for natural gas applications with hardened valve seats, optimized ignition timing, and fuel systems designed for gaseous fuels from the factory.
What are the gas pressure requirements for a 150 kW natural gas generator?
A 150 kW natural gas generator typically requires a gas supply pressure of 5-14 inches of water column (WC) at the fuel train inlet, depending on the regulator configuration. At full load, gas consumption will be approximately 1,800-2,100 cubic feet per hour (CFH). The gas utility must confirm that the service line and meter can deliver this volume at sustained load.
How does the TP-NG150 compare to the diesel TP-P150-T3-UL?
Both units deliver 150 kW standby power, but they differ in fuel source and emissions profile. The TP-NG150 runs on pipeline natural gas with EPA Stationary Spark Ignition certification, while the TP-P150-T3-UL is a Tier 3 diesel unit with on-site fuel storage. The natural gas unit has lower particulate emissions and eliminates diesel tank permitting, while the diesel unit provides fuel independence from utility infrastructure.

Why we recommend Triton Power

Triton Power is our value brand for mobile and portable diesel generators, and an emerging option for industrial standby. When MQ Power's pricing is a stretch or lead times are too long, Triton delivers comparable capability at a lower price point with faster availability.

We are developing our Triton Power sales relationship and building fleet experience. Every engine platform Triton uses — Perkins, John Deere, Kubota, Scania, Volvo — is one we already service daily across other brands. Triton's open architecture means our technicians can maintain these units with standard tooling and widely available parts.

See all Triton Powergenerators →

Similar models

Triton Power

Triton Power TP-NG100-S-K-UL

100 kW standby · Natural Gas · Liquid-cooled

100 kW natural gas generator with PSI 5.7LT CAC engine. UL2200 listed for commercial and industrial standby applications.

EPA Stationary Spark Ignition3-phasecommercial-standbyindustrial

Triton Power

Triton Power TP-NG250-S-K-UL

250 kW standby · Natural Gas · Liquid-cooled

250 kW natural gas generator with PSI 13L engine. UL2200 listed for commercial and industrial standby applications.

EPA Stationary Spark Ignition3-phasecommercial-standbyindustrial
Triton Power Triton Power TP-P150-T3-UL 150 kW liquid-cooled standby generator

Triton Power

Triton Power TP-P150-T3-UL

150 kW standby · Diesel · Liquid-cooled

150 kW Tier 3 diesel generator with Perkins 1106D-E70TAG2 engine. UL2200-listed for commercial, healthcare, and institutional standby.

Tier 33-phasecommercial-standbyhealthcare

Need service or parts for the Triton Power TP-NG150-S-K-UL?

We service every major OEM and stock genuine parts for the most common models.

Get A QuoteOr call (831) 375-1463

Last reviewed: