Board Thread:Questions and Answers/@comment-98.82.97.187-20130201021056/@comment-81.147.183.9-20130727112524

In the new tekkit you need an energetic infuser

Heres a tutorial on that:

www.youtube.com/watch?v=zW11v-8mrfw&feature=c4-overview&list=UUcLGREFZCrf_s-en71wJqBw

Hope this helps