Chandelier Energy Consumption and Operating Cost
A chandelier with LED bulbs uses approximately 25 to 100 watts total and costs roughly $3 to $12 per year to operate. The same chandelier with traditional incandescent bulbs uses 200 to 600 watts and costs $24 to $72 per year. The bulb type you choose has a far greater impact on energy consumption than the size or number of sockets in the chandelier.
Calculating Your Chandelier’s Wattage
To calculate total chandelier wattage, multiply the wattage per bulb by the number of bulbs. For example, a 12-light chandelier with 5-watt LED bulbs uses 60 watts total (12 x 5 = 60). The same fixture with 40-watt incandescent bulbs uses 480 watts total (12 x 40 = 480). That is an 87.5% reduction in energy consumption simply by using LED bulbs.
Typical Wattage by Chandelier Size
A small chandelier with 3 to 5 lights uses 15 to 25 watts with LEDs or 120 to 200 watts with incandescent bulbs. A medium chandelier with 6 to 9 lights uses 30 to 45 watts with LEDs or 240 to 360 watts with incandescent bulbs. A large chandelier with 10 to 16 lights uses 50 to 80 watts with LEDs or 400 to 640 watts with incandescent bulbs. A grand chandelier with 20 or more lights uses 100 watts or more with LEDs or 800 watts or more with incandescent bulbs.
Annual Operating Cost
To estimate annual cost, use this formula: (total watts / 1,000) x hours per day x 365 days x your electricity rate per kWh. The national average electricity rate in the United States is approximately $0.16 per kWh. Assuming the chandelier runs an average of 5 hours per day, a 60-watt LED chandelier costs approximately $17.52 per year (0.06 kW x 5 hours x 365 x $0.16). A 480-watt incandescent chandelier costs approximately $140.16 per year under the same conditions. The annual savings from LED bulbs in this example is over $120.
LED vs. Incandescent Comparison
LED bulbs have transformed chandelier economics. A 5-watt LED produces the same brightness (approximately 400 lumens) as a 40-watt incandescent candelabra bulb. LEDs last 15,000 to 25,000 hours compared to 1,000 to 2,000 hours for incandescent bulbs. Over the lifespan of a single LED bulb, you would replace 10 to 15 incandescent bulbs. When you factor in both energy savings and avoided bulb replacement costs, LED bulbs pay for themselves within the first year of use in most chandeliers.
Dimmer Savings
Installing your chandelier on a dimmer switch reduces energy consumption proportionally to the dimming level. A chandelier dimmed to 50% uses approximately 50% less electricity. Since many homeowners dim their chandeliers for ambient lighting most of the time (full brightness is rarely needed), actual energy consumption is often even lower than the full-wattage calculations above. Just make sure your dimmer switch is LED-compatible if using LED bulbs.
Does Chandelier Size Affect Your Electric Bill?
With LED bulbs, even a large 20-light chandelier adds very little to your electricity bill. The total consumption (approximately 100 watts) is comparable to a single old-fashioned 100-watt light bulb. For practical purposes, chandelier electricity cost with LED bulbs is negligible. Choose the size and style that best fits your room without worrying about energy consumption as a deciding factor.
IB Lighting carries luxury chandeliers in every size along with compatible LED bulbs and dimmer switches. Call (800) 674-9019 for product recommendations, or browse our chandelier collection online.