Board Thread:Questions and Answers/@comment-5112555-20130723091733/@comment-3075738-20130723093524

I tested it to be 800EU per standard operation.

800EU per Operation

800EU Storage

Accepts LV, RE-Battery for portable EU storage only.

However keep in mind that 1 Redstone Dust = 1 Operation of all the standard machines.

Redstone emits 500EU per dust, but when used directly with a machine, it completes 1 operation which is 800EU.