Commercial LED lighting retrofits in Calgary

CCT 01Start with a real inventory

An LED retrofit is priced from a count, and the count is usually wrong until someone walks the building. Record each area’s fixture type, lamp and ballast, mounting height, switching, operating hours and condition. Commercial stock typically includes fluorescent troffers and strip lights in offices and stores, metal halide or fluorescent high-bays in warehouses and plants, enclosed fixtures in parkades, and wall packs and pole lights outside.

Operating hours matter as much as watts. A warehouse aisle lit around the clock, a parkade on constant burn and an office on a timeclock produce very different savings from the same fixture swap. Where lighting runs longer than anyone thinks, the evidence is in the controls or the bills, not the lease description. The LED retrofit payback calculator takes fixture counts, wattages and hours and shows the energy and demand saved.

Check the voltage too. In buildings distributed at 347/600 V, lighting commonly runs at 347 V, and that limits which drivers, kits and sensors are compatible. The 120/208 V vs 347/600 V guide explains why.

CCT 02Lamp, kit or new luminaire

Reel 06 · Tenant fit-out · illustrative film

Whatever the approach, a modified fixture must remain acceptable as a certified product. Check that kits and bypass tubes are certified for the use and installed to their instructions, and keep that documentation; an insurer or inspector may ask for it.

CCT 03Scope and responsibility

The scope most often missed is emergency lighting. Where normal fixtures also serve as emergency lighting, on a generator circuit or with battery packs, the retrofit must keep that function and its test regime. Self-contained emergency lighting units are tested monthly under NFC(AE) 6.5.1.6,¹ and emergency lighting inspections should see the new units on the next visit.

CCT 04Energy code and permits

Alberta brought the National Energy Code of Canada for Buildings 2020 into force on May 1, 2024,² and adopted its Tier 1 as the minimum energy-efficiency level for buildings outside Part 9.² Whether the energy code applies to a particular retrofit, and which lighting power and control provisions follow, is for the designer and the authority having jurisdiction to settle for that project; do not assume either way from the word retrofit. An existing installation that met the code when it was installed generally does not have to be brought up to a new edition, although modifications can trigger current-code compliance.³

On permits, Calgary does not require an electrical permit when only fixtures are replaced,⁴ but it does require one for new wiring and for extending or altering circuits.⁴ Adding sensors, rezoning switching, running circuits to relocated fixtures or changing emergency lighting can cross that line, so confirm with the City. Where a permit is needed, the fee is $112 plus $9.79 per $1,000 of construction value.⁵ The permits guide has the detail, and lighting controls covers sensors, daylight harvesting and networked systems.

CCT 05Working out the saving on a Calgary bill

An LED retrofit saves energy (kWh) on every account, and demand (kVA) only on demand-billed accounts. Keep the components separate:

• Energy. The retailer’s price per kWh, or the Rate of Last Resort, which in ENMAX’s area is 12.06¢ per kWh fixed to December 31, 2026, for energy only.⁶ Add the variable delivery charges: on D200, a system usage charge of $0.013024 per kWh, alongside a fixed $1.734942 per day that does not change,⁷ and a transmission charge of $0.031577 per kWh.⁷
• Demand. D200 has no demand charge. On D300, D310 and D410, demand is billed per day per kVA, billing demand is the greatest of metered, ratchet and contract demand, and the ratchet is 90% of the highest kVA in the last 365 days.⁷ A retrofit that lowers the peak may not lower billing demand until the old peak ages out.
• Fixed charges. Service charges are per day and do not fall. D300’s is $9.644493 per day;⁷ 30 days at that rate is about $289 (derived).

Time of use matters on large accounts. D310’s transmission charges are $0.349342 per day per kVA of billing demand, plus $0.012021 per kWh on-peak and $0.009074 off-peak,⁷ with on-peak running 8 a.m. to 9 p.m. on weekdays.⁷ Lighting that burns through business hours saves at the higher rate.

Then there is heat. Old fixtures give off heat that currently offsets some space heating, so removing it adds a little heating load in Calgary’s long heating season, which runs to 5,000 heating degree-days,⁸ while cutting cooling load in summer. That is one more reason to compare bills after the retrofit rather than attributing every change to it. The cost per square foot guide explains why per-area budgets hide these drivers.

CCT 06Incentives: confirm status before counting them

An incentive belongs in the payback only after its eligibility, availability and approval conditions have been checked. As read on 2026-09-25:

• Emissions Reduction Alberta’s Energy Savings for Business program has allocated all its funding.⁹
• ERA’s SEMI program is for industrial and manufacturing facilities: a $70 million program with waitlists open for all activities.¹⁰
• Calgary’s Commercial Clean Energy Improvement Program is paused.¹¹ When open, it finances up to $1,000,000 through property tax, excluding industrial property and new builds,¹¹ and it requires an ASHRAE Level II audit and CEIP-qualified contractors.¹¹

An LED project that only works with an incentive should be re-tested without one. Industrial owners can ask ERA whether lighting fits within a SEMI project; do not assume it does.

CCT 07Access, sequencing and disposal

Installation cost is mostly access and logistics. Warehouses need lifts that fit between racking and a plan for working around forklifts; parkades need traffic control and stall closures; occupied offices need after-hours work or phased floors. Put the constraints in the tender, not in a change order.

Disposal belongs in the installed price. Fluorescent lamps contain mercury and older magnetic ballasts may contain PCBs, so both go to appropriate recycling or hazardous-waste handling, with documentation. Exterior and parkade fixtures also need a cold rating: Calgary’s January 1% design temperature is −32 °C,⁸ so check the driver’s rated operating temperature before approving a product for unheated space.

CCT 08Where retrofits pay, and what to keep

Retrofits pay best where lights burn longest: warehouses and distribution, condo and apartment parkades, and common areas that property managers light around the clock. As of 2026-09-25 the City’s business licence data listed 2,237 licensed warehousing and wholesale premises in Calgary.¹² Contains information licensed under the Open Government Licence – City of Calgary.

At handover, keep the fixture schedule with model numbers, certification documents for kits, warranty terms, control settings and schedules, disposal records and the operating-hour assumptions used in the payback. Compare bills against those assumptions only after enough months have passed to cover a heating season and the demand ratchet.