LED lighting retrofits in Calgary

CCT 01What an LED retrofit replaces

The typical targets, and why they are worth doing:

• Fluorescent troffers and strip lights in offices, schools and back-of-house areas. The ballasts are ageing, the lamps contain mercury, and output drops in cold spaces.
• Metal halide and high-pressure sodium high-bays in warehouses, shops and arenas. They take minutes to restrike after a power blip, lose output well before they fail, and are hard to reach for relamping.
• Parkade fixtures, which often burn around the clock and are among the easiest wins when paired with occupancy controls.
• Exterior wall packs, canopy lights and pole lights, which run all night through Calgary's long winter evenings.
• Exit signs and emergency lighting units, where LED versions draw less power and do away with lamp replacement.

Homeowners replacing recessed cans with LED retrofit trims are doing a smaller version of the same thing. See lighting and pot lights for the residential side.

CCT 02Lamp, kit or new fixture

There are three ways to put LED into an existing space. The right one depends on the condition of the fixtures, the ceiling and how long you plan to stay.

Ballast bypass deserves a closer look, because it is the most common source of problems in later maintenance. Single-ended bypass tubes need the right kind of lamp holder, and the original holders in many instant-start fixtures are the wrong kind. Once a fixture has been converted, nothing but the label stops someone from fitting a fluorescent tube. In warehouses, the choice is usually between a high-bay kit and a new fixture. At high mounting heights the lift and labour cost the same either way, so new fixtures with integral sensors often win.

CCT 03Controls and the energy code

LED fixtures cut the watts. Controls cut the hours, and in many buildings the hours are the bigger lever. The common control strategies are:

• Occupancy and vacancy sensors in offices, washrooms, storage rooms and warehouse aisles, including high-bay sensors that dim to a low level rather than switching off.
• Bi-level parkade lighting that drops to a set-back level when no one is moving.
• Daylight-responsive dimming near windows and skylights, usually over an analogue (0–10 V) or digital control wire.
• Schedules and networked controls for large floors, with reporting that proves actual run hours.

The National Energy Code of Canada for Buildings 2020 came into force in Alberta on May 1, 2024 ¹, and Alberta adopted Tier 1 of it as the minimum for buildings outside Part 9 ¹. The code limits lighting power and requires automatic controls in new construction, and it can apply to alterations depending on scope. We have not verified its specific lighting power allowances, so they are not quoted here. Ask the designer or contractor to confirm whether your retrofit triggers compliance.

Emergency lighting has a detail that retrofits often miss. Receptacles serving battery unit equipment must be at least 2.5 m above the floor where practicable and within 1.5 m of the unit ².

CCT 04Permits: one job, or an annual permit

The City of Calgary requires an electrical permit for new wiring and whenever existing branch-circuit wiring is extended or altered ³. Its homeowner guidance says that replacing fixtures only does not need a permit ³. Most commercial retrofits go further, with ballast bypass, new fixtures on new supports, sensor wiring and re-circuiting. Have the contractor confirm the permit position with the City rather than assume the job is exempt.

Facilities with ongoing electrical work have another option. The City's annual electrical permit covers facilities with a full-time journeyman electrician, or with contractor maintenance work, and costs $162.24 in 2026 including the Safety Codes Council fee ⁴. The City issued 232 annual facility permits in 2025, and 687 across 2023 to 2025, of which 549 were at non-residential addresses ⁵. More permit figures are on the Calgary electrical data page. A phased retrofit carried out by the facility's maintenance electrician may fall under it. A large project priced and delivered as a single contract usually takes its own permit.

For a single-project permit, the contractor fee is $112 plus $9.79 for each $1,000 of construction value ⁴. Construction value includes customer-supplied materials ⁴, so fixtures bought by the owner still count. In a multi-tenant building, base-building and tenant spaces take separate electrical permits ⁶. These are City of Calgary rules. Facilities in Rocky View County, Airdrie or other municipalities follow their own permit authority. See the permits guide for the process and permit fees for the full 2026 schedule.

CCT 05Working out payback without invented savings

Vendor savings claims are usually a percentage with no stated baseline. A defensible payback uses your own numbers:

1. Existing load. Count fixtures by type and use the input watts, including the ballast, not the lamp's nominal wattage. A clamp-meter reading on a lighting circuit settles arguments.
2. New load. The LED fixture's rated input watts from its specification sheet.
3. Hours. Actual annual run hours by area, from schedules, a data logger or the building automation system. Then estimate how far controls will cut them.
4. Energy saved. The watts saved times the hours, divided by 1,000, gives kWh a year.
5. Value. Multiply by your energy price, using your own bill. Default-rate customers pay an energy charge of 12.06¢/kWh in ENMAX's area through 2026, and that excludes delivery and administration charges ⁷. Many commercial accounts buy on a retail contract, and larger accounts also pay demand charges based on peak kW, which lighting reductions lower too.
6. Payback. Net installed cost divided by annual savings, plus the maintenance you no longer do: relamping lifts, ballast replacements and lamp disposal.

The appliance running cost calculator does steps 4 and 5 for any load: enter the old and new watts and hours, and compare. One Calgary-specific effect: in a heated building, lighting waste heat offsets a little heating in winter. Calgary has 5,000 heating degree-days a year ⁸, so some of the winter saving comes back as furnace or boiler load. It is small in most buildings, but honest payback calculations mention it.

On incentives: as of September 2026 we found no open Alberta or City of Calgary business lighting rebate. The City's Commercial Clean Energy Improvement Program intake is paused ⁹. Check current programs before counting any incentive in the payback.

Film 16 · Tenant fit-out · illustrative film

CCT 06What drives the price of a retrofit

No official body publishes per-fixture or per-square-foot retrofit prices for Calgary. The drivers are predictable:

• Approach. Tubes, kits or new fixtures (above), and how many fixture types are involved.
• Access. Mounting height, lifts, racking, occupied offices and operating warehouses. Work around operations often means nights or weekends.
• Controls. Standalone sensors cost little. Networked systems need programming, commissioning and training.
• Emergency and exit lighting, which must work at the end, and may need testing after conversion.
• Disposal. Fluorescent and HID lamps contain mercury, and some older magnetic ballasts contain PCBs. The quote should say who handles recycling and hazardous waste.
• Permits and verification, including a photometric check where light levels matter, for example in racking aisles or at loading docks.

Construction costs for the electrical trade in Calgary are measurable. Statistics Canada's non-residential electrical price index for Calgary was 111.3 in the second quarter of 2026 (2023 = 100) ¹⁰, up 1.0% on a year earlier ¹⁰. The 15-city composite rose 1.8% over the same period ¹⁰. These index contractors' costs, not a retrofit price. See commercial electrical cost for how commercial work is priced.

CCT 07Calgary conditions: cold, parkades and outdoor lighting

Calgary's January design temperature is -30 °C ⁸. Fluorescent lamps in unheated warehouses, loading docks and parkades lose output badly in that cold, while LEDs generally run better in the cold. Check that the driver's rated operating range covers an unheated space. Exterior fixtures need the same check, plus gaskets and photocells that survive freeze-thaw.

Parkades in condos and office towers are some of the best retrofit candidates, because the lights run constantly. They are also where emergency lighting, sensors and a corrosive, salty environment meet. The multi-family and high-rise page covers parkade electrical more broadly. In industrial buildings, lighting is usually one line in a wider maintenance program with infrared scanning and shutdown planning. See maintenance and thermography and industrial electrical. If the retrofit is part of a wider fit-out, tenant improvements explains the permits and drawings.