In article .com,
wrote in part:

I am surprised to hear that using fewer number of light bulbs will save
more money than using lower-watts light bulbs. I didn't know this.

Next time you're in the lightbulb aisle, look at the lumen light output
figures. One 60-watt lightbulb usually produces more light than four
25-watt ones do.

- Don Klipstein )