Holiday Glow Increases Demand for Electricity

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KUA Offers Tips for Calculating Holiday Lighting Costs

KISSIMMEE, Fla., November 28, 3:00 p.m. — If you are making a list and checking it twice this holiday season, make sure energy-efficient holiday lighting is on it. The annual ritual of stringing up holiday lights in Kissimmee is estimated to increase the appetite for electric power by at least 10 percent in December.

But estimating those costs can be confusing.

KUA has developed this seven-step formula to help you calculate your energy costs this holiday season:

1. Count the number of bulbs on your indoor tree and all of your other decorative indoor and outdoor lights. (For example, 2,500)
2. Check the wattage per bulb — one watt per bulb is common for mini lights. (For example, 1 watt)
3. Multiply watts per bulb by number of bulbs. (For example, 2,500 bulbs x 1 watt = 2,500 watts)
4. Convert to kilowatts (kW) — 1,000 watts = 1 kilowatt. (For example, 2,500 watts / 1,000 = 2.5 kilowatts)
5. Estimate the number of hours in a month the lights are on. (For example, 5 hours per day x 30 days = 150 hours)
6. Multiply the total kilowatts by the total number of hours the lights will be on to get the total kilowatt-hours (kWh). (For example, 2.5 kW x 150 hours = 375 kWh)
7. Multiply the total kilowatt-hours by the total cost of electricity. For typical KUA customers, the total cost of electricity is approximately 12 cents per kilowatt-hour. (For example, 375 kWh x .12 = $45)

In our example, the cost of holiday lighting would add an additional $45 to your monthly utility bill.

Choosing the most appropriate holiday lights to decorate your house can add up to big energy savings over the course of the season. Consider seasonal light emitting diodes (LED), incandescent mini lights, rope lighting or fiber-optic cabling if purchasing new lights this year.

Timers and photocells can also save you energy and money by automatically turning lights on at dusk and turning them off at a scheduled time. Be sure the timer is designed for the required amount of wattage.

Founded in 1901, KUA ( is Florida’s sixth largest community-owned utility providing electric and telecommunication services to 170,000 residents in five Central Florida counties.

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Chris M. Gent
(407) 933-7777 x 1116