The Hipower HGM-150 is a 150 kW stationary natural gas standby generator and the largest model in Hipower's HGM series. Above 150 kW, the HNG series picks up larger stationary natural gas requirements. The HGM-150 is built in Olathe, Kansas, and holds CARB certification for California natural gas standby applications.
At 150 kW, the HGM-150 covers mid-large commercial standby: full essential systems in a medical office building, a large restaurant or hospitality operation, or a multi-tenant commercial building with critical refrigeration and communications loads. The broad voltage range — 120/240V through 277/480V — accommodates most California commercial electrical services.
Natural gas supply from the building's utility meter eliminates diesel storage, SPCC compliance, and fuel delivery. For California projects, CARB certification removes the air district variance requirement, enabling standard permit-by-rule approval.
The engine OEM and model designation for the HGM-150 have not been confirmed from available OEM documentation and are marked for verification. The unit operates at 1800 RPM on natural gas or LP with CARB-certified stationary emissions. Service follows standard spark-ignited gas generator practice: no DPF, no DEF, spark plugs and oil changes at 1000-hour intervals.
Hipower's HGM series holds CARB certification for California natural gas stationary standby. The HGM-150 qualifies for California permit-by-rule — standard air district approval without source test.
OnPoint Generators services Hipower gas generators throughout the Bay Area and Northern California. The HGM-150 is the top of the HGM series — appropriate for mid-large commercial buildings where natural gas is the primary building fuel and diesel standby would add unnecessary compliance complexity.
Request a quote
Get pricing & lead time on the Hipower HGM-150
Tell us about the application — kW, voltage, application, install timeline — and we'll respond within one business day with budgetary pricing, lead time, and any sizing notes.
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.
Service intervals
Manufacturer-recommended intervals for the Hipower HGM-150 under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.
Oil & filter
Every 1000 hours or 12 months
Air filter
Every 500 hours
Spark plugs
Every 1000 hours
Major overhaul
≈ 30,000 hours
Common failure modes
What we've seen fail on this platform. Use as a service-planning reference, not a diagnostic — actual failure modes depend heavily on duty cycle and maintenance history.
Component
Symptom
Typical hours
Severity
Spark plugs
Erosion from natural gas combustion — replace at 1000-hour intervals
1,000+
minor
Gas pressure regulator
Inlet pressure drop under high load — verify regulator capacity and supply sizing
4,380+
minor
Ignition module
Cylinder misfire under load — diagnose per-cylinder coil output
8,000+
moderate
Frequently Asked Questions
What engine does the HGM-150 use?
The engine OEM and model for the HGM-150 have not been confirmed from OEM documentation. <!-- NEEDS VERIFICATION: HGM-150 engine OEM and model -->
Is the HGM-150 CARB certified?
Yes. Hipower's HGM natural gas series holds CARB certification for California stationary standby applications.
Is the HGM-150 the largest in the HGM series?
Yes. The HGM-150 is the largest model in the HGM stationary natural gas series. Above 150 kW, the HNG series covers larger stationary natural gas needs.
How does the HGM-150 compare to the HNI-150?
Both are 150 kW Hipower natural gas generators. The HNI-150 uses a confirmed PSI 8.8L V8 engine and is part of the broader HNI series (30–1000 kW). The HGM-150 is a separate product family with an unconfirmed engine designation.
What voltage options are available?
120/240V (single-phase), 120/208V (3-phase), and 277/480V (3-phase) — broad coverage for California commercial building electrical services.
Who services HGM-150 units in Northern California?
OnPoint Generators provides service and maintenance for Hipower natural gas generators throughout Northern California.
Similar models
Hipower Systems
Hipower HNI-150
Broadest CARB-certified natural gas lineup from a Tier 2 manufacturer — 30 to 1000 kW with PSI and Origin engines.
150 kW standby · Natural Gas / LPG · Liquid-cooled
California commercial and industrial natural gas standby where CARB certification is mandatory and Big 4 pricing is not justified.
150 kW standby natural gas generator with PSI 8.8L V8 turbocharged engine. CARB certified for California natural gas standby.
CARB-certified large stationary natural gas standby from Hipower's HNG series — utility-supplied fuel, no on-site diesel storage, broad voltage options.
159 kW standby · Natural Gas / LPG · Liquid-cooled
California commercial and industrial buildings in the 150–200 kW class with natural gas service where CARB certification is required.
159 kW stationary natural gas generator with PSI natural gas engine. CARB certified for California standby. Built in Olathe, Kansas.
