Key Takeaways:
- The Northern Territory government has announced plans to import and store carbon emissions, with a deal with Dutch company Vopak to build a CO2 import terminal at the Middle Arm Industrial Hub on Darwin Harbour.
- The plan has sparked concern that Darwin could become a "dumping ground for the world’s climate pollution" and poses a risk of suffocation if there is a leak or rupture.
- The technology, known as carbon capture and storage (CCS), is still unproven at scale and has consistently failed to deliver promised results despite significant investment.
- The NT government and Vopak have declined to comment on the plans, while environmental groups have expressed concerns about the risks and lack of public trust in the government’s ability to protect the environment and communities.
- The industry is still in the early stages of development, but some experts believe that Australia could become a carbon storage hub, with a potential $600 billion opportunity over the next three decades.
Introduction to Carbon Capture and Storage
The Northern Territory government has announced an ambitious plan to become one of the first places in the world to import and store carbon emissions. The plan, which involves a deal with Dutch global tank storage company Vopak, aims to build a CO2 import terminal at the Middle Arm Industrial Hub on Darwin Harbour by the early 2030s. The terminal will receive ships carrying CO2 from Japan and other countries, which will then be stored in underground reservoirs off the coast of Darwin. The plan has sparked concern among environmental groups, who fear that Darwin could become a "dumping ground for the world’s climate pollution" and pose a risk to the local community.
The Science Behind Carbon Capture and Storage
According to Matthias Raab, a geoscientist and the chief executive of CO2CRC, one of Australia’s leading carbon capture and storage (CCS) research and development companies, geological carbon storage is one of the key solutions to reducing carbon dioxide emissions. Dr. Raab explained that the NT has two offshore locations that could store "decades, if not centuries" worth of CO2, making it an ideal location for CCS projects. The technology involves capturing CO2 from power plants and industrial processes, transporting it to a storage site, and injecting it into a geological formation for permanent storage. While the technology is still unproven at scale, Dr. Raab believes that it has the potential to play a significant role in reducing global emissions.
Risks and Concerns
However, environmental groups have expressed concerns about the risks associated with CCS technology. Kirsty Howey, director of the Environment Centre NT, said that importing CO2 from other countries risked turning Darwin into "a dumping ground for the world’s climate pollution". She also pointed out that a leak or rupture could pose a significant risk to the local community, with CO2 potentially moving over the suburbs of Palmerston or Darwin and causing suffocation. The NT government and Vopak have declined to comment on the plans, which has further eroded public trust in the government’s ability to protect the environment and communities.
Industry Developments and Investments
Despite the concerns, the CCS industry is moving forward with several projects in the pipeline. Inpex, a Japanese company, has lodged plans with the federal Environment Department to advance a CCS project in the Bonaparte Gulf, about 250 kilometers south-west of Darwin. The project, which is a joint venture with Santos, would be the first offshore CCS project in Australia and the biggest. Dr. Raab believes that Australia should forge ahead with innovative projects like Inpex’s, as other countries accelerate their investment in the industry. He also pointed to studies that suggest a $600 billion opportunity for Australia to become a carbon storage hub over the next three decades.
Challenges and Limitations
However, the CCS industry still faces significant challenges and limitations. The technology is still unproven at scale, and several projects have struggled to meet their original targets. The Gorgon project in Western Australia, for example, has stored large volumes of CO2 but has struggled to meet its original targets, while the Moomba project in South Australia is still in its first year of operation and remains unproven at scale. Dr. Raab acknowledged that federal and Northern Territory laws needed to allow Australia to import CO2 from other countries were still being developed, but believed that the industry had the potential to play a significant role in reducing global emissions.
Conclusion and Future Directions
In conclusion, the NT government’s plan to import and store carbon emissions has sparked concern among environmental groups, who fear that Darwin could become a "dumping ground for the world’s climate pollution". While the CCS industry is still in the early stages of development, some experts believe that it has the potential to play a significant role in reducing global emissions. However, the technology is still unproven at scale, and significant investment and development are needed to overcome the challenges and limitations associated with CCS. As the industry moves forward, it is essential to prioritize public trust, transparency, and environmental protection to ensure that CCS projects are developed in a responsible and sustainable manner.

