The chords in brackets are optional.  It sounds better if you play them, though.  
My first chords posted, please rate.

Em
When He rolls up His sleeves He ain't just puttin' on the ritz
     Am		D      Em
Our God is an awesome God

There is thunder in His footsteps and lightening in His fists
     Am		D      Em
Our God is an awesome God
      C						 
The Lord wasn't joking when He kicked 'em out of Eden
    D				 Em        
It wasn't for no reason that He shed His blood
       C			Am		
His return is very soon so you better be believin'
	  	     D	    Em
That our God is an awesome God

Chorus
Em   C          G     Em
Our God is an awesome God
     D	(B)	Em  (D)  Em
He reigns from heaven above
       C       G        Em
With wisdom, power and love
     Am	     (C)  D    Em
Our God is an awesome God!

	Em
And when the sky was starless in the void of the night
     Am		D      Em
Our God is an awesome God

He spoke into the darkness and created the light
     Am		D      Em
Our God is an awesome God
C					
Judgment and wrath He poured out on Sodom
D		   Em	   	   
Mercy and grace He gave us at the cross
   C			Am		
I hope that we have not too quickly forgotten 
	  	      D     Em
That our God is an awesome God!

Repeat Chorus