go here, click on your particular bulb, and read it's details ... shows lumens, life, etc... very reliable place to buy from, too (Texas company)
2 to 200 Watt Compact Fluorescent Bulbs : 1000Bulbs.com :thumbsup:

Bigtopsfinn had it right, the 23-watters put out about 1600 lumens apiece, btw :smokin: