Power isn't constant, ie some machines will go idle and stop using power(or use considerably less) so that is why you see consumption going up and down like that.

Also, your engines are very efficient, they won't generate more power than what is needed.

This all looks normal to me.

Edit: about ...

(You may need to open the images in a new tab to see the full image)
Okay, I'm not sure if this is a bug or if I have done something wrong with my steam engines and boilers so I will provide pictures of my current set-up and the graphs.
I started to notice this yesterday. The Production and ...

Thanks everyone!

I am new to the game and I have spent two (irl) days making this factory and I am stuck on what to do next.
https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-xpa1/v/t35.0-12/10573759_605979109518747_1389881129_o.jpg?oh=848030bcc31c33936f88b18f48b0576e&oe=53E43F77&__gda__=1407459287 ...