The environmental side of him wanted to buy them, but the practical, yankee side wanted to buy the less expensive.
|Cost of string of 100 lights||$5.95||$19.98|
|Energy Usage per Hour||40||W||8||W|
|Hours on per night (4:30 to 10:30pm)||6||H||6||H|
|Nights on per year (Dec & Jan)||61||Days||61||Days|
|Energy Usage per Year||14.64||kWh||2.93||kWh|
|Electricity Cost per Year||$1.98||$0.40|
|Annual Electricity Rate of Increase (Average over last 50 years in US)||3%||3%|
|Total Cost over 8 years||$23.52||$23.49|
If you factor that into the economics the payback is even shorter.
The economics of LED lights inside the home are even better as you use those lights all year long. So, if you haven’t already bought your holiday lights for the year, make the smart choice and buy LED. If you have all your holiday lights up already, make the switch next year and start looking inside your home for other lights to switch.