The deal is not available on Energy Australia's website. You have to call them at 132461 to get it. I'm not sure it is available everywhere in NSW. Other states have different offers. I'm not sure whether you need to join One Big Switch first. You may try.
28% discount off Origin’s Electricity usage charges for 12 months if you pay your bills on time.*
15% discount off Origin’s Natural gas usage charges for 12 months if you pay your bills on time.*
Solar Feed-in Tariff of 9c per kWh exported (on top of any Govt Feed-in you receive)
NO exit fees, no lock-in period
Not available to the general public
Limited time only
To take up this solar offer, please call 13 24 61