Information about EnergyQuest’s ‘LNG and energy essentials’ report is available by clicking here.

EnergyQuest’s 2026 West Coast Gas Outlook was released this month and indicates that more investment in supply will be needed over the next decade or Western Australia’s (WA’s) will look more like the past when significantly more of the state’s domestic supply came from LNG projects, specifically the North West Shelf.
 
From 2003 to 2016 the North West Shelf was WA’s only LNG project and supplied more than 15% of LNG volumes to the domestic market. The addition of the Gorgon, Wheatstone, and Pluto projects in the past decade materially expanded LNG export volumes meaning that, in conjunction with significant additional supply from WA’s domestic only projects (e.g. Macedon, Varanus Island), a lower proportion of LNG volumes were needed to satisfy domestic demand.
 
Since 2016, the proportion of LNG export volumes supplied to the domestic market by all WA LNG projects has been less than 15% since 2016, and that was sufficient for the domestic market.
 
At the highest level there are two factors that may change this picture:

  1. WA domestic gas demand is, unlike the east coast, expected to grow in coming years with new industrial demand (notably from Perdaman Urea which will add more than 10% to state demand) and then is likely to be sustained for at least the coming decade
  2. Supply from existing domestic only projects is declining, and in the 2030s supply from some of WA’s LNG projects also declines as reserves are depleted

The current outlook indicates that sustained demand combined with declining supply creates a growing market shortfall in the 2030s.
 
There are growth options for WA supply that can change the outlook. For example, Hancock’s Project Belisama is a new addition to our Base Case forecast in the West Coast Gas Outlook 2026 and would add 210 TJ/d of additional supply capacity to the domestic market, approximately 19% of total demand. More supply developments will be needed to address the forecast supply gas in the 2030s.