The coalition's energy policy to keep coal plants open and sideline renewables has been likened to fighting against gravity and reverting to the horse and buggy.

Liberal leader Sussan Ley and Nationals counterpart David Littleproud outlined the coalition's new policy on Sunday, focusing on affordability rather than emissions reductions.

Shifting away from renewable energy by keeping coal plants open and underwriting energy investments including coal and gas with taxpayer funds are key planks of the coalition's policy after dumping a net-zero emissions target.

The energy policy shift comes as new opinion polling shows coalition supporters jumping ship to One Nation and Labor and Ms Ley's popularity plummeting to a record low.

"Our plan secures Australia's energy future by putting afford

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