Overview#
The Hipower HMW-915 is a 915 kW diesel standby generator and the top model in Hipower's MTU 12V2000 range. Built in Olathe, Kansas, it delivers near-MW standby capacity from a single enclosure with the MTU 2000-series engine platform's 30,000-hour TBO, NFPA 110 Level 1, IBC seismic Zone 4, and 200 mph wind certifications as standard. EPA Tier 4 Final and CARB compliance make it deployable across California and all regulated regions.
The HMW-915 occupies a strategic position in critical facility design: it is the largest single-unit 12V2000-powered generator in the HMW lineup, providing the maximum output available from a 12-cylinder 2000-series engine before transitioning to the 16V2000 configuration. Facilities requiring 800-900 kW from a single unit — common in hyperscale colocation rows and large hospital main electrical plants — specify the HMW-915 for its output density and MTU's unmatched TBO advantage.
MTU Engine Platform#
The MTU 12V2000 series is MTU's (Rolls-Royce Power Systems) flagship platform for MW-class standby generation. Approximately 24 liters of displacement in a 12-cylinder V configuration with turbocharged-aftercooled induction produces high BMEP with exceptional torque reserve. The 2000 series is rated for 30,000+ hours TBO — unchanged from the 1600 series — but at nearly double the displacement and output level.
MTU 2000-series engines power emergency standby systems at several of the world's largest data center campuses, selected by hyperscale operators for their performance under repeated full-load step transitions, reliability track record, and lifecycle cost advantage from the extended TBO. The SCR Tier 4 Final system adds DEF consumption to the maintenance schedule but preserves combustion efficiency that EGR-based systems sacrifice.
Mission-Critical Design#
The HMW-915 carries the same certification portfolio as all HMW models:
- NFPA 110 Level 1, Type 10: 10-second startup to full rated power for life-safety and critical UPS loads
- IBC Seismic Zone 4 / SDS 2.0: Pre-certified for California seismic installations without additional structural review
- 200 mph wind rating: Exceeds US geographic wind zone requirements
- Dual-wall sub-base tank: Integral secondary containment for NFPA 30 and EPA SPCC compliance
- MTU DiASter SCADA integration: Real-time engine telemetry, predictive maintenance, and remote fault diagnostics
Paralleling Capability#
Two HMW-915 units in N+1 provide 915 kW of critical load coverage with a full 915 kW standby reserve. This N+1 architecture is standard for hyperscale data center rows at 800-900 kW critical load. For larger campuses, multiple HMW-915 units can be synchronized on a common bus with isochronous load sharing, providing scalable MW-class standby capacity. Hipower's paralleling controls are compatible with Asco, Russelectric, and other standard automatic paralleling switchgear.
Service and Maintenance#
MTU 12V2000 maintenance schedule: 500-hour oil and fuel filter changes (confirm volumes in the operator manual due to 24L displacement), 1,000-hour air filter, 4,000-hour DEF injector inspection, 8,000-hour SCR catalyst check, and 30,000-hour major overhaul. Fuel polishing at 6-month intervals for all sub-base tank installations. MTU-certified technicians are required for injection system service, SCR troubleshooting, and major overhaul events.
Our Service Experience#
OnPoint Generators services MTU 2000-series HMW installations across Northern California. Our team holds MTU 2000-series certification and carries factory diagnostic equipment for real-time fault analysis and SCR system testing. We cover data centers, hospital systems, and utility facilities in the Bay Area, Central Valley, and Sacramento area. Emergency response, scheduled maintenance contracts, and annual NFPA 110 load bank testing and compliance documentation are all available.
