Heres an article I found: http://www.spellsofmagic.com/coven_ritual.html?ritual=3714&coven=245
Also when trying to manipulate energy remember that it wont look like it will in the movies where a glowing ball of magic appears. Energy is a force that you feel and a few can see. Manipulating energy takes a lot of practice and meditation so keep persisting
The best place to start with energy manipulation is focusing on the people and objects around you, pay attention to how those energies interact with each other and try to apply it with your own practice.