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Generator Engineering in Ontario, CA

Ontario is home to Ontario International Airport and serves as a critical inland port and logistics gateway for the Inland Empire, generating substantial commercial, industrial, and transportation infrastructure construction.

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49 states · 10+ PEs · Same-day quotes on qualifying scopes · Zero excuses

What we design

Standby and emergency generator systems: demand-load studies and right-sized generator selection, automatic transfer switch (ATS) design and utility coordination, paralleling for large plants, and load shedding. NEC Article 700 (emergency), 701 (legally required standby), and 702 (optional standby) compliance on every set.

Fuel systems & permitting

Diesel and natural gas fuel systems — sub-base and belly tanks sized for 72/96-hour autonomy, day tanks, fuel polishing, venting per NFPA 30 and NFPA 37, plus fire marshal fuel-storage permits. We handle noise ordinances, sound-attenuated enclosures, exhaust routing, and seismic anchorage per ASCE 7.

Backed by licensed PEs

All generator engineering is backed by Apex Grid Engineering: 10+ PEs licensed across 49 states.

Project types

  • Commercial office & retail
  • Healthcare & medical facilities
  • Institutional & civic
  • Technology & R&D facilities
  • Data centers & server facilities

Everything else your project needs

MEP Engineering in Ontario

Mechanical, electrical & plumbing design — permit-ready drawings, best price.

Structural Engineering in Ontario

Structural design, analysis & PE stamping — permit-ready drawings, best price.

Civil Engineering in Ontario

Site civil & land development — permit-ready drawings, best price.

Electrical Engineering in Ontario

Power distribution, panels & lighting design — permit-ready drawings, best price.

Plumbing Engineering in Ontario

Water, sewer, gas & fixture design — permit-ready drawings, best price.

HVAC Engineering in Ontario

Heating, cooling, ventilation & ductwork — permit-ready drawings, best price.

PE Stamping in Ontario

Licensed PE stamps on your plans — fast turnaround, best price.

Structural Stamping in Ontario

Licensed PE stamps on structural plans & calculations — fast turnaround, best price.

MEP Stamping in Ontario

Licensed PE stamps on MEP plan sets — fast turnaround, best price.

Civil Stamping in Ontario

Licensed PE stamps on civil & site plans — fast turnaround, best price.

Fire Protection Engineering in Ontario

Fire sprinkler, alarm & suppression design — permit-ready drawings, best price.

Plan Check Corrections in Ontario

Plan check comments answered fast — resubmittal-ready corrections, best price.

Energy Modeling & Compliance in Ontario

Title 24, COMcheck & ASHRAE 90.1 compliance — pass plan check, best price.

Tenant Improvement Engineering in Ontario

TI engineering for office, retail & restaurant buildouts — permit-ready, best price.

Low Voltage Engineering in Ontario

Fire alarm, data, security & AV design — permit-ready drawings, best price.

Seismic Retrofit Engineering in Ontario

Earthquake retrofit design & PE-stamped plans — best price.

Solar Engineering in Ontario

PV structural analysis, NEC 690 electrical design & interconnection — permit-ready drawings, best price.

Fire Alarm Engineering in Ontario

NFPA 72 fire alarm design, voice evacuation & mass notification — permit-ready drawings, best price.

Security System Engineering in Ontario

Access control, video surveillance & intrusion detection design — permit-ready drawings, best price.

Building Automation Engineering in Ontario

BACnet controls, BMS design & smart building integration — permit-ready drawings, best price.

Elevator Engineering in Ontario

ASME A17.1 elevator design, modernization & code compliance — permit-ready drawings, best price.

Industrial Electrical Engineering in Ontario

NEC Article 430 industrial power design, arc flash & hazardous locations — permit-ready drawings, best price.

Plumbing Design Engineering in Ontario

IPC/UPC plumbing design, medical gas & backflow engineering — permit-ready drawings, best price.

HVAC Retrofit Engineering in Ontario

HVAC retrofits, electrification & decarbonization design — PE-stamped mechanical plans, best price.

Electrical Panel Upgrade Engineering in Ontario

Panel upgrades, load calculations & utility coordination — permit-ready drawings, best price.

Emergency Power Engineering in Ontario

Generators, NFPA 110 systems & life-safety power design — permit-ready drawings, best price.

Renewable Energy Engineering in Ontario

Wind, geothermal & hybrid renewable engineering — feasibility, PE-stamped design & interconnection, best price.

Energy Audit Engineering in Ontario

ASHRAE Level 1/2/3 energy audits, benchmarking & retro-commissioning — find the waste, prove the savings, best price.

EV Charging Engineering in Ontario

EV charging station design — NEC 625, load calculations & service upgrades, permit-ready drawings, best price.

Water Treatment Engineering in Ontario

Filtration, disinfection, reverse osmosis & backflow design — permit-ready water engineering, best price.

Battery Storage Engineering in Ontario

Battery storage design per NEC 706 & NFPA 855 — permit-ready drawings, best price.

Commissioning Engineering in Ontario

Building commissioning & functional testing — systems verified to work as designed, best price.

Data Center Engineering in Ontario

Mission-critical MEP for data centers — Tier III/IV electrical, cooling & fire protection, best price.

Lighting Design Engineering in Ontario

Photometric lighting design, controls & code compliance — permit-ready drawings, best price.

Medical Facility Engineering in Ontario

Medical gas, exam-room HVAC & healthcare electrical design — permit-ready drawings, best price.

Commercial Kitchen Engineering in Ontario

Commercial kitchen hoods, grease exhaust, gas & interceptors — permit-ready drawings, best price.

Pool Engineering in Ontario

Pool structural, systems & permits — engineered for plan check approval.

ADU Design in Ontario

Accessory dwelling unit plans — from concept to permit.

Engineering Cost Guide in Ontario

Straight answers on what engineering really costs.