A joint venture between TotalEnergies and Eren Groupe has submitted plans for a 2.7 GWp solar photovoltaic (PV) project paired with a 6 GWh battery energy storage system (BESS) for environmental approval in Australia’s Northern Territory. The project, known as the Wak Wak Solar Park, is located southeast of Darwin within the Litchfield Local Government Area.
The initiative is being developed by Darwin H2 Project Nominee, acting as trustee for the Darwin H2 Hub Project Trust, on behalf of TE H2, the joint venture dedicated to gigawatt-scale multi-energy projects globally. TotalEnergies holds an 80% stake, while Eren Groupe owns 20%.
Supporting renewable energy for industrial and hydrogen production
The Wak Wak Solar Park represents the first phase of what is planned to become the region’s inaugural solar-powered green hydrogen production and export facility. The solar PV plant is designed to supply renewable energy to existing industrial operations in the Greater Darwin region, while also powering a planned green hydrogen production facility at the Middle Arm Precinct.
The broader Darwin H2 Hub aims to produce more than 80 kilotons of green hydrogen annually, positioning the Northern Territory as a strategic hub for renewable hydrogen export.
Advancing Australia’s clean energy transition
The project shows how big solar and energy storage projects are becoming more important for making the world less carbon-intensive and safer. The Wak Wak project will provide reliable, dispatchable power to both industrial users and hydrogen production facilities by combining high-capacity solar PV with large battery storage.
“Wak Wak Solar Park is a critical step toward realizing Australia’s green hydrogen ambitions while providing clean, reliable energy to regional industries,” the companies said in a joint statement.
Getting permission from the environment is a big step forward. Once the project is up and running, it should greatly increase the amount of renewable energy available in the Northern Territory. By combining solar power generation with large-scale storage, the Wak Wak Solar Park will help stabilise the grid, support local businesses, and help Australia move to a low-carbon economy.
Strategic significance
Beyond powering green hydrogen production, the project is expected to create new investment opportunities, attract international partnerships, and strengthen Australia’s position in the global renewable energy and hydrogen markets.
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