For Electrical & Mechanical Engineers
Engineering Resources for Power System Design
Spec sheets, sizing tools, and application engineering support from a team that speaks your language. We work with engineers at every stage — from feasibility through commissioning.
What We Provide
We've built our technical resources around what engineers actually need — not marketing brochures. Sizing support, OEM-sourced data, and honest multi-brand guidance from people who work in the field.
Generator Sizing & Load Analysis
Submit your load schedule and we'll return a sized recommendation with ATS coordination, fuel autonomy calculations, and NFPA 110 compliance notes. We speak kVA, power factor, and harmonic distortion — not just kilowatts.
Spec Sheets & Submittal Data
Our equipment library covers 14 brands and 600+ models with OEM-sourced spec sheets, dimensional drawings, and submittal-ready datasheets. Filter by kW range, fuel type, voltage, or application.
Product Family Comparison
Side-by-side comparisons across product families — not just within a single brand. We help you evaluate Kohler vs. Cummins vs. CAT on the specs that matter for your application.
AI-Assisted Sizing Tool
Our online sizing wizard walks through load inputs, starting loads, and ATS sizing to produce a preliminary recommendation in minutes. Useful for early feasibility or peer-check on a sizing you've already done.
Multi-Brand, No-Bias Guidance
We stock and service 14 brands. We have no manufacturer exclusivity, so our recommendations are based on the application — not a sales quota. If Gillette is the right call for your budget, we'll tell you.
Commissioning Support (Service Territory)
For projects in our service territory (Northern California and Nevada), we provide startup, ATS commissioning, load bank testing, and NFPA 110 documentation. We work directly with the AHJ on your behalf.
Engineering Tools
Sizing, spec lookup, and analysis tools built for engineers specifying standby power systems.
Size a system
Verify your kW selection with ATS sizing and fuel guidance
Open tool →Look up specs
Spec sheets and datasheets across 14 brands and 600+ models
Open tool →Compare product families
Side-by-side model comparison within each product family
Open tool →Calculate fuel runtime
Check fuel autonomy for NFPA 110 compliance
Open tool →Check voltage drop
Verify conductor sizing meets NEC requirements
Open tool →Analyze motor starting
Evaluate voltage dip from motor inrush current
Open tool →Browse by Application
Each vertical has distinct compliance requirements, redundancy standards, and load profiles. Explore the engineering considerations for your application type.
Healthcare
NFPA 110 Type 10, Essential Electrical System design, AHJ coordination, and 10-second transfer standards.
View application →Data Centers
N+1 redundancy, Tier III/IV compliance support, paralleling, and high-density power applications.
View application →Commercial
Life-safety, elevator backup, emergency lighting, and NEC Article 700/701/702 compliance.
View application →Government
Prevailing wage, NFPA 110 compliance, AHJ coordination, and critical public infrastructure.
View application →Brands We Specify and Support
We hold no manufacturer exclusivity. Our library spans 12 brands with OEM-sourced documentation and field service capability.
Premium
Kohler
Best power quality in class — THD below 3%, quietest enclosures, the healthcare and mission-critical default
View specs →Premium
Cummins
Full vertical integration — engine, alternator, controls, and transfer switch from one manufacturer. One throat to choke.
View specs →Premium
CAT
Premium industrial power — best resale value, deepest parts network in the industry
View specs →Value
Generac
Volume leader — best price, fastest availability, largest dealer network in the industry
View specs →Value
Gillette
Factory-direct pricing with non-proprietary OEM components — same engines and controllers as the majors, 15-30% less
View specs →Value
Blue Star
Open-architecture controllers and multi-OEM components — serviceable by anyone, now backed by DEUTZ AG
View specs →Premium
MTU
Data center specialist — Rolls-Royce engineering, best fuel efficiency, highest power density in class
View specs →Specialist
MQ Power
WhisperWatt — the quietest portable generators in the industry, rental-fleet proven, manufactured by Denyo (Japan)
View specs →Value
Hipower
Full vertical integration backed by Yanmar/Himoinsa — data center-grade features at 15-25% below the Big 4
View specs →Specialist
Airman
0.001% warranty claim rate — arguably the most reliable portable diesel generator you can buy, with 110% fluid containment standard
View specs →Specialist
Atlas Copco
Swedish-engineered QAS series — 5-8 dB quieter than competitors, best fuel efficiency in the portable class
View specs →Value
Doosan
80% of MQ Power quality at 70% of the price — rental-grade durability at non-premium pricing, now branded as Portable Power by Bobcat
View specs →How We Work with Engineers
A straightforward collaboration model — from project parameters to spec-ready recommendation.
- 1
Send us your project parameters — load schedule, fuel source, site constraints, and compliance requirements.
- 2
We provide sizing and model recommendations across relevant brands, with spec sheets and submittal data.
- 3
You specify with confidence — our data is OEM-sourced and submittal-ready.
- 4
We handle procurement and installation in our service territory, or ship equipment directly to your project site anywhere in the continental US.
No service territory requirement for equipment
We ship equipment to project sites across the continental US. Installation and commissioning services are available in Northern California and Nevada. For out-of-territory projects, we provide full remote engineering support and can coordinate with local contractors.
Written by Nick Haschka, CEO — MIT, Northwestern, former McKinsey & NRG Energy
Have a Project? Talk to Our Engineering Team.
OnPoint Generators provides sizing support, multi-brand guidance, and submittal-ready documentation for engineers at any project stage. Reach out with your project parameters and we'll respond with useful data — not a sales pitch.