In his first outing as Treasurer, Premier Colin Barnett delivered a promised surplus - $286 million - on the back of sharp royalty rises, increased services charges to households and restraint in spending growth which was limited to 3.9 per cent.

In his first outing as Treasurer, Premier Colin Barnett delivered a promised surplus - $286 million - on the back of sharp royalty rises, increased services charges to households and restraint in spending growth which was limited to 3.9 per cent.