There's no such thing as bad energy waves.
You're taking the verse in Jeremiah out of context. Look at the previous verses.
(Jeremiah 33:1-3 NIV) While Jeremiah was still confined in the courtyard of the guard, the word of the LORD came to him a second time: {2} "This is what the LORD says, he who made the earth, the LORD who formed it and established it--the LORD is his name: {3} 'Call to me and I will answer you and tell you great and unsearchable things you do not know.'
Prayer isn't necessarily power. James had it right when he said,
(James 5:16p NIV) The prayer of a righteous man is powerful and effective.