Complex puzzle: concessions needed for climate target

Solar panels, both on houses and in farms, are a huge part of Australia's energy future. (Jono Searle/AAP PHOTOS)

Targets to reduce Australia's greenhouse gas emissions will require difficult trade-offs on the location of large renewable projects, experts warn.

Unveiling the long-awaited climate targets this week, Prime Minister Anthony Albanese pledged emissions would be cut by at least 62 per cent and up to 70 per cent by 2035.