The Liberals are closing in on an official position on climate change and energy after marathon talks, with a majority of members opposing any ongoing commitment to net-zero emissions by 2050.

The nearly five-hour-long meeting heard "very passionate" contributions for and against the climate target, opposition energy spokesman Dan Tehan said.

The talks concluded with MPs and senators agreeing to 10 key principles that will guide their approach to climate and energy policy before a formal announcement on Thursday.

Climate change has become a totemic issue among the Liberals, with party members divided on whether to maintain a formal commitment to Australia's 2050 target.

No official vote was held on the issue but members who attended Wednesday's meeting said a majority of the 51-person

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