The Hipower HGM-100 is a 96 kW stationary natural gas standby generator in Hipower's HGM series. Near the 100 kW threshold that defines the boundary between light-commercial and mid-commercial standby, the HGM-100 serves medical offices, multi-tenant commercial buildings, and mid-size hospitality operations where natural gas service is established.
CARB certification enables California permit-by-rule for this unit — straightforward air district approval without source test or variance. For California building owners and property managers, the combination of utility-supplied gas fuel and CARB certification removes two of the most common standby compliance complications: fuel storage permitting and air district approval.
The engine OEM and model designation for the HGM-100 have not been confirmed from available OEM documentation. The unit operates at 1800 RPM on natural gas or LP with CARB-certified stationary emissions. Maintenance follows spark-ignited gas generator standards: spark plugs and oil changes at 1000-hour intervals, annual gas system inspection. No DPF, no DEF.
Hipower's HGM series holds CARB certification for California natural gas stationary standby. California permit-by-rule applies to the HGM-100, enabling standard air district approval.
OnPoint Generators maintains Hipower natural gas generators throughout Northern California. The HGM-100 is appropriate for mid-commercial buildings where gas is the primary fuel and diesel standby would add storage and compliance complexity without operational benefit.
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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
1,008,000 BTU/hr≈ 1008.0 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-100 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 drift from utility fluctuations — test regulator at each service
4,380+
minor
Ignition module
Misfire under load — check ignition coil output and spark timing per cylinder
8,000+
moderate
Frequently Asked Questions
What engine does the HGM-100 use?
The engine OEM and model for the HGM-100 has not been confirmed from OEM documentation. <!-- NEEDS VERIFICATION: HGM-100 engine OEM and model -->
Is the HGM-100 CARB certified?
Yes. Hipower's HGM natural gas series holds CARB certification for California stationary standby applications.
Why is the HGM-100 rated at 96 kW rather than exactly 100 kW?
Generator ratings reflect actual output under standardized conditions at 1800 RPM — 96 kW is the standby rating for this HGM model. Hipower designates it as HGM-100 by approximate product family nomenclature.
What applications is the HGM-100 suited for?
Mid-commercial buildings — medical offices, multi-tenant suites, hospitality operations — where 96 kW of natural gas standby protects essential electrical systems.
What fuel options are available?
Natural gas and LP.
Who services HGM-100 units in Northern California?
OnPoint Generators provides service for Hipower natural gas generators throughout Northern California.
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