Power in voltage dependent source

I have some problems determining the power dissipated in the dependent source,mostly because my equations aren't right, I think...So,I was wondering,if someone could help me getting my equations right...Here's what I've come with so far:

Node v1 -> (v1-132)/7 + (v1-v2)/3 + v1/5
Node v2 -> V2/2 + 7Io + v2/10 + (v2-v1)/3


http://i75.photobucket.com/albums/i281/esmeco/dependentsource2.jpg

That dependent source is really giving me an headache...Well,thanks in advance for the reply!