How much more will solar cost without the RET?

This is easy. Subject to a few reasonable assumptions, the RET subsidy on solar installations in Adelaide is $700 per Kilowatt. So removal of the Renewable Energy Certificates (RECs) will raise the cost of a 3 Kw system by $2,100 and a 5 Kw system by $3,500, for...

The way forward

As a species, homo sapiens of the current era find themselves confronted with complex environmental issues such as human induced climate change, rising sea levels, water pollution, excessive land clearing, desertification, overpopulation, drought and famine.  ...