The high-profile summit between Prime Minister Malcolm Turnbull and the heads of the east coast's largest gas producers has failed to produce any immediate measures to fix the east coast supply 'crisis', heightening manufacturers' fears about spiralling prices that may cost hundreds of jobs.

Gas companies will, however, face additional scrutiny, with a requirement to report publicly their pricing and supply volumes to the Australian Competition and Consumer Commission for the next three years, a move that was welcomed by buyers.