Any of the non iridescent bulbs will be far, far cheaper per kwh than traditional ones...the "swirly" ones, sorry. GE made a pretty good one, supposed to last a few years, and consumes about 20% of the energy of a standard bulb.
In Cupertino, they had them at the local grocery store.
well umm like reliant energy it pretty expensive in kwh or something like that...so im lookin for a cheaper one
I...don't get what you're asking...?