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Acciona signs up to supply solar for 3 GW green hydrogen project

Australia’s Stanwell Energy and Spanish renewable energy company Acciona Energia have signed a deal that could use energy generated at the proposed 600 MWp Aldoga Solar Farm to power a 3 GW green hydrogen project being developed in Queensland.

From pv magazine Australia

A 3 GW green hydrogen facility planned for Queensland, Australia, could be powered by solar PV after state-owned Stanwell Corporation and Acciona Energia, a subsidiary of Spanish conglomerate Acciona, signed a memorandum of understanding (MoU) on future energy supply for proposed hydrogen production and export.

Stanwell has teamed with a consortium of Australian and Japanese energy companies to develop a large-scale electrolysis plant at Aldoga, about 20 kilometers north-west of Gladstone, with the view to producing green hydrogen for export to Japan and use in local industry. Since the CQ-H2 project was unveiled, land has been secured at Aldoga, a planning study completed, a feasibility study announced, and now an MoU has been signed that allows for a direct connection to be established between the hydrogen production facility and Acciona’s proposed Aldoga Solar Farm.

Originally slated as a 250 MW project, the Aldoga Solar Farm is expected to reach a capacity of 600 MWp after Acciona recently received approval from the Queensland government for a significant expansion of the project.

Acciona Energia Managing Director Brett Wickham said the company was excited to provide the Stanwell-led CQ-H2 consortium with “renewable energy supply to their innovative hydrogen project.”

Deputy Premier Steven Miles said the agreement marked a major milestone for the CQ-H2 consortium which includes Japanese companies Iwatani Corporation, Kawasaki Heavy Industries, Kansai Electric Power Company and Marubeni, and Australian energy infrastructure business APA Group.

“A direct connection would see Queensland’s largest solar project providing clean and renewable energy to Queensland’s largest renewable hydrogen project,” he said.

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The proposed CQ-H2 green hydrogen project is expected to commence production in the mid-2020s with the project to scale up to more than 3 GW of electrolysis capacity by the early 2030s.

The project, which has attracted financial support from the Japanese Ministry of Economy, Trade and Industry and the Australian Renewable Energy Agency (ARENA), aims to produce up to 36,500 tons per annum of renewable hydrogen and export to Japan from 2026, scaling up to 328,500 tons per annum in 2031 to meet forecast demand.

Stanwell CEO Michael O’Rourke said the MoU would allow for the consortium to push ahead with its plans but said more renewable energy will be needed to deliver the project in full.

“We will leverage the direct connection to the Aldoga Solar Farm to power stage one of the proposed CQ-H2 hydrogen facility,” he said. “(But) our proposed facility will require substantially higher quantities of renewable energy to support the development of stage two.”

The Aldoga Solar Farm is due to commence construction in September 2023, with generation output scheduled to commence in December 2025.

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Source: pv magazine