The economic Advantages would be that the clients would get to pick their energy suppliers depending on their preference which would lead to having better quality service in the energy market. also energy suppliers can lower their prices by alternating their effectiveness.
massive usefulness should be able to realize economies of scale which will able them to compete more efficiently.
The clients and businesses would gain the most from liberalisation by getting the best lowest prices possible from suppliers; better manufacture with the use of variable technology so business would have more deals in the competitive market and could be more profitable.