APA bets $700m on new gas pipeline - The Australian

APA Group is investing $700 million in a new gas pipeline. The project responds to rising demand for gas-fired generation as Australia's electricity system integrates more renewables. Gas remains the primary firm backup to wind and solar across the grid.

Where this fits

This is a direct consequence of the renewables-only strategy. A solar and wind fleet with weather-dependent output requires dispatchable power to meet demand when the sun sets and wind ebbs. Gas fills that role. The $700 million spend is part of the whole-system cost of a renewables-heavy transition: the headline cost of panels and turbines is low, but the cost of the grid that keeps the lights on when renewables cannot is not. Australia is building two electricity systems in parallel: one for generation, one for firming and resilience.

What it means

Australia will remain dependent on gas for decades, and the new pipeline locks in that dependency. Gas burns carbon, requires ongoing fuel imports or domestic production, and can be disrupted by supply shock or geopolitical coercion. A firm, domestically fuelled energy source, nuclear power, is banned by law. The APA investment is rational within the current rules. But it is a reminder that the renewables-plus-gas pathway is not cheaper in whole-system terms than a firm alternative. It is more expensive, more exposed to external shocks, and it defers the decarbonisation choice to the next decade.