A warehouse high-bay upgrade should be checked against racking, aisles, open floors, tasks, glare, controls, operating hours, ceiling conditions, lift access, stock movement, phasing, and maintenance.
The checklist starts on the warehouse floor and works upward. A fixture that looks efficient on a product sheet may not put useful light on rack faces, labels, travel routes, staging, or loading areas.
Quick planning checklist
- Map racking, aisles, open areas, packing, staging, docks, mezzanines, and routes
- Record ceiling and storage height, aisle width, obstructions, fixtures, wattages, and controls
- Observe dark rack faces, glare, shadows, colour inconsistency, failures, and daylight
- Review occupancy and traffic by aisle, shift, zone, dock, and support area
- Confirm lifts, floor conditions, aisle clearance, stock movement, shutdowns, and work zones
- Compare optics, output, colour, flicker, sensors, dimming, energy, maintenance, and phasing
Map warehouse zones before counting fixtures
Separate narrow rack aisles, open storage, packing, staging, receiving, shipping, docks, conveyors, cold areas, offices, service rooms, exterior yards, and travel routes. Note future racking or automation changes that may alter distribution or access.
Review lighting from the task viewpoint
Walk at the positions where labels are read, pallets are picked, forklifts travel, products are checked, and loading occurs. Record vertical rack-face visibility, floor coverage, glare, shadows, contrast, transitions, and whether higher output would actually solve the issue.
Check fixture and ceiling conditions
The ceiling inventory should include more than fixture count.
- High-bay type, representative wattage, optics, mounting, driver, controls, and visible condition
- Ceiling height, structure, sprinklers, ducts, cranes, conveyors, skylights, and obstructions
- Failed, dim, cycling, discoloured, mixed, relocated, disconnected, or obsolete fixtures
- Emergency-lighting interfaces and areas requiring separate compliance review
Confirm whether existing supports, wiring, boxes, circuits, voltage, and control infrastructure are suitable for the proposed scope.
Design control zones around real occupancy
A busy cross aisle, loading dock, packing area, and rarely used storage aisle should not automatically have the same sensor timeout or low-end level. Consider mounting height, detection technology, vehicles, movement direction, racking, obstructions, schedules, overrides, and safe light behaviour.
Plan lift movement and aisle control
Confirm lift type, delivery, charging, floor loading, turning radius, aisle clearance, rack and stock protection, overhead hazards, escorts, work-zone barricades, forklift rerouting, shift windows, and the number of aisles that can be controlled at once.
Estimate energy and maintenance separately
Energy uses fixture count, existing and proposed watts, annual hours, control effects, and rate. Maintenance considers failure history, lamp or driver replacement, parts, lift mobilization, disruption, cleaning, equipment family, and service access. Do not convert rated life directly into guaranteed maintenance savings.
Commission and document the finished system
Test fixture operation, zones, sensor coverage, timeouts, dim levels, schedules, overrides, emergency interfaces within scope, and representative problem areas. Retain fixture schedules, control settings, product data, warranties, electrical documents, incentive records, and outstanding deficiencies.
Questions to ask before approving the work
- Are rack aisles and open floors using optics suited to their geometry?
- What will people see at picking, packing, loading, and travel positions?
- How are glare, flicker, colour, sensor coverage, and low-end levels addressed?
- What lift, aisle, stock, shift, shutdown, and safety assumptions are included?
- How will active areas remain suitably lit during each phase?
- What fixture, control, commissioning, and maintenance records will be delivered?
Related services and facility guidance
Frequently asked questions
How many lumens should a warehouse high-bay have?
Lumen output alone cannot answer the question. Mounting height, optics, fixture spacing, racks, surfaces, obstructions, tasks, glare, maintenance, daylight, and desired conditions all affect selection.
Are round or linear high-bays better?
Either can be suitable. Compare distribution, aisle or open-area geometry, glare, mounting, controls, environment, maintenance, product quality, and installed performance.
Can high-bay work be completed during a shift?
Possibly in controlled zones, subject to lift travel, aisle closure, stock, forklifts, electrical isolation, work-zone control, noise, production, and adequate lighting in active areas.
Should sensors turn warehouse lights completely off?
The appropriate off or low-level strategy depends on the area, operations, safety, travel, cameras, adjacent zones, code, equipment, and user requirements. It should be defined and commissioned.
Primary Sources
Sources used for electrical, workplace, local, and incentive guidance
These primary sources support the material factual details on this page. Program information was reviewed July 24, 2026 and should be rechecked before a purchase, application, approval, or installation decision.
- Electrical Safety Authority: Notifications and InspectionsOntario guidance on notifications of work, inspections, and Licensed Electrical Contractors.
- Canadian Centre for Occupational Health and Safety: Lighting ErgonomicsWorkplace guidance on visibility, glare, shadows, contrast, task lighting, and fixture distribution.
- Save on Energy: Instant Discounts ProgramCurrent eligible lighting products, participating distributor process, customer requirements, and installation timing.
Turn the guide into a site-specific plan
Use the facility, operating schedule, existing equipment, access, and priority areas to prepare a clear scope and written estimate.