The coalition is touting its new energy policy as affordable and responsible, but an expert warns abandoning climate goals will only drive up costs.

After a damaging internal brawl, the coalition unveiled its policy on Sunday, promising to ditch the net zero emissions by 2050 target if it wins the next election, while also potentially pouring taxpayer money into new coal and gas projects.

Opposition Leader Sussan Ley said she cared about tackling climate change, but would prioritise lowering the cost of electricity and gas.

She said the coalition wanted to continue bringing renewables online, but claimed the shift away from fossil fuels such as coal and gas was happening too fast.

"We believe in affordable energy at the centre of our economy," she told reporters on Monday.

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