The Office of Energy has received submissions from the following parties:

Gas producers
- Australian Petroleum Production & Exploration Association Ltd
- BHP Billiton Petroleum Pty Ltd
- BP Developments Australia Pty Ltd combined with BP Kwinana Oil Refinery
- Shell Development (Australia) Pty Ltd
- Woodside Energy Ltd

Gas Pipeline
- Alinta Networks Pty Ltd
- APA Group
- Dampier Bunbury Pipeline
- Epic Energy

Gas Consumers
- Alcoa World Alumina Australia
- Alinta Sales Pty Ltd
- Chamber of Commerce and Industry
- CSBP Ltd
- Energy Supply Association of Australia
- Perth Energy
- Synergy – confidential submission
- Verve Energy
- WACOSS

Others
- EnergySafety
- Department of Industry Resources – confidential submission