Santos is holding firm on delivering first gas from Barossa in 2025 despite losing its fight to keep a key approval for the $US4.7 billion operation in a ruling that could have major ramifications for new projects.

Santos is holding firm on delivering first gas from Barossa in 2025 despite losing its fight to keep a key approval for the $US4.7 billion operation in a ruling that could have major ramifications for new projects.