Opposition Leader Peter Dutton has called for a discussion on the introduction of nuclear power in Australia.

Dutton floated the idea in a tweet.

"Peak business groups and unions are calling for the moratorium on nuclear power to be lifted, amid a push to ensure Australia is 'technology agnostic' during its transition to cut emissions," he said.

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"It's time to have the discussion."

Australia has never had a nuclear power station, though several have been proposed since the 1950s.

While nuclear energy has been opposed on environmental grounds for decades, the prospect of consistent baseload power and zero carbon emissions has led to increasing calls to consider it.

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In 2013, then-Prime Minister Tony Abbott also floated the idea of nuclear power in Australia.

"Nuclear power is the only proven way of generating the baseload power Australia needed without producing carbon pollution," he said.

About a third of the world's uranium is mined in Australia.