See The Light
Switch from traditional incandescent bulbs to energy-efficient compact fluorescent bulbs (CFLs) or LED bulbs. Each CFL can save you up to $30. a year, with LEDs savings even more per year, plus a longer bulb life, and no mercury.
To give a comparison:
A regular 60 watt bulb lasts about 6 months and will use about $10 in electricity which means it will cost about $20 a year to light (plus the cost of two bulbs).
An equivalent CFL lasts about 3 years and will use about $16 in electricity which means it will cost about $5.50 a year to light (plus the cost of the bulb).
An equivalent LED lasts about 17 years and will use about $34 in electricity which means it will cost about $2 a year to light (plus the cost of the bulb). LEDs are absolutely the best long term savings, despite the larger upfront cost.
Please note that CFLs as well as all fluorescent bulbs do have a small amount of mercury so be sure to recycle them at Home Depot or another qualified recycler.
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