A $650 million solar thermal power plant planned for Port Augusta will not go ahead after the company behind it failed to secure commercial finance for the project.

The Conservative Party says a reliable, zero-carbon proven power mode using a resource we have in abundance in South Australia should now appeal to those who want to bring back common sense.

Nuclear power could not only solve our energy reliability and climate alarmist CO2 concerns, it could also irrigate great swathes of South Australia.