Board Thread:General Discussion/@comment-24035811-20140323162822/@comment-13413401-20140330122408

Well, according to the FTB wiki, it requires 800 EU or 320 MJ. Not sure if the same applies for Tekkit Lite. I think that the power required and the mob essense outputed is the same for all mobs.

http://ftbwiki.org/Grinder_(MineFactory_Reloaded)