who is the most popular cheapest electricity suppliers nsw?

Answer 1

Too many variables to say without the details of your situation , check out the Govt. link below for comparing electricity plans

◾Do I get discounts for paying on time?

◾Are there flexible payment options?

◾Am I locked into my contract?

◾Are there extra costs or exit fees?

◾Is there a plan that suits the way I use energy?

◾How can I use less energy?

◾Are any price changes planned?

http://www.energymadeeasy.gov.au/

Answer 2

having your own solar panels.