Acciona AU & NZ

Acciona AU & NZ Leaders in the construction, development and management of regenerative infrastructure & renewables

10/08/2026

Milestone: We're connected to Sydney's water supply!

A major milestone has been reached on the Prospect Pre-Treatment Plant project, with the successful completion of a complex 'cut-in' connecting the new pre-treatment plant to the existing Prospect Water Filtration Plant, which supplies drinking water to around 85 per cent of Sydney's population.

The work involved carefully cutting into a live, critical water main and installing a new connection, all while ensuring uninterrupted water supply to the community.

Once operational in late 2027, the new plant will strengthen the resilience and performance of Sydney's drinking water system, helping respond to increasingly challenging raw water conditions caused by extreme weather, including storms, droughts and bushfires in the Warragamba Dam catchment and surrounding areas.

This complex work was delivered safely and successfully by the SUEZ ACCIONA Joint Venture, in close collaboration with Sydney Water, WaterNSW, and Prospect Water Partnership.

ACCIONA volunteers planted 626 native seedlings at Whiteman Park to restore wildlife habitat and strengthen biodiversity...
06/08/2026

ACCIONA volunteers planted 626 native seedlings at Whiteman Park to restore wildlife habitat and strengthen biodiversity.

Employees from ACCIONA’s Energy Transmission Project recently joined their families and the local community for National Tree Day at Whiteman Park, near Perth’s Swan Valley.

This effort focused on rehabilitating disturbed areas of one of the largest remaining Swan Coastal Plain bushlands, a critical refuge for native species.

The planting will create a new vegetation buffer, improving habitat for quenda (southern brown bandicoots), koomal (brush-tailed possums), frogs and birdlife.

Over time, these areas will provide safer, healthier ecosystems for species that have been under pressure for years.

Senior Environmental Advisor Ross McCarron described the day as a practical way to support biodiversity beyond core project works. “By restoring a vegetation buffer, we’re supporting biodiversity and giving native species a better chance to thrive,” he said.

National Tree Day is Australia’s largest community tree-planting event, and for Whiteman Park it forms part of ongoing efforts to enhance habitat quality and build resilience. For ACCIONA, it reflects how infrastructure delivery can go hand in hand with environmental stewardship, ensuring local ecosystems benefit alongside the renewable energy projects shaping Western Australia’s future.

We planted 300 native trees to help restore biodiversity and improve a popular community path in South Australia.This lo...
05/08/2026

We planted 300 native trees to help restore biodiversity and improve a popular community path in South Australia.

This local initiative brought our team together with community partners to enhance green spaces, strengthen habitat connectivity and create a more inviting environment for people and wildlife.

The planting took place along a shared user path where increasing vegetation cover was a priority.

By introducing native species, our little tree-planting project supports long-term ecological health while improving the amenity of a well-used public space.

Beyond the environmental benefits, the day fostered collaboration and strengthened community ties.

Working side by side, volunteers demonstrated how practical, hands-on action can leave a positive legacy that extends beyond project delivery.

Last phase of Eastern Busway underway in Auckland, New ZealandThe Eastern Busway Alliance has officially started constru...
03/08/2026

Last phase of Eastern Busway underway in Auckland, New Zealand

The Eastern Busway Alliance has officially started construction on the final stage of the Eastern Busway, marking a major milestone in delivering faster, more reliable public transport for East Auckland. As part of the alliance, ACCIONA is helping deliver a complex, city-shaping project that will improve connections, support future growth and leave a lasting legacy for the community.

The Eastern Busway Alliance has officially turned the first sod on the final stage of the Eastern Busway, bringing East Auckland one step closer to a fully connected rapid transit corridor between Panmure, Pakūranga and Botany.

The milestone was celebrated recently at Whakamaumahara Guys Reserve, where construction is now underway on the final section of dedicated busway linking Tī Rākau Drive and Botany Town Centre. Once complete in 2027, the Eastern Busway will provide faster, more reliable journeys and stronger connections across Auckland.

The sod-turning ceremony brought together representatives from central and local government, Auckland Transport, the New Zealand Transport Agency and the Eastern Busway Alliance. Attendees included Minister of Transport Hon Chris Bishop, Pakūranga MP Hon Simeon Brown, Auckland Mayor Wayne Brown and Auckland Transport Board Chair Andrew Ritchie. National MP Nancy Lu, Councillor Bo Burns and representatives from the Howick Local Board also joined the event.

ACCIONA is delivering the project as part of the Eastern Busway Alliance alongside Auckland Transport, Fletcher Construction, AECOM and Jacobs, in partnership with mana whenua.

When the busway opens, people will be able to travel from Botany to Auckland's city centre in around 40 minutes using bus and rail connections. The project is expected to carry around 18,000 passengers each day by 2028, helping more people reach jobs, education and services while reducing pressure on the road network.

The milestone reflects years of collaboration between project partners and marks the beginning of the final chapter in delivering one of New Zealand's most significant public transport projects.

ACCIONA Reaches Financial Close on New Zealand’s Largest Public Private PartnershipACCIONA, alongside partner Aberdeen I...
30/07/2026

ACCIONA Reaches Financial Close on New Zealand’s Largest Public Private Partnership

ACCIONA, alongside partner Aberdeen Investments, comprises the Northway Consortium which has reached Financial Close with NZ Transport Agency Waka Kotahi (NZTA) for the Warkworth to Te Hana project.

The Warkworth to Te Hana project is a section of Ara Tūhono, which forms part of the Northland Corridor.

This marks the successful completion of the procurement process enabling the delivery of New Zealand's largest public private partnership infrastructure project with a total overall project cost of approximately NZ$3.649 billion net present value (NPV) during its 32-year construction and operating duration. This includes a nominal cost of around NZ$3 billion to design and build the road.

The milestone represents a major step forward in the delivery of a transformational transport corridor that will provide a safer, more resilient and more efficient connection between Auckland and Northland.

It will improve freight efficiency, support regional growth and strengthen transport reliability for communities and businesses.

Northway is responsible for financing, delivering and operating the Warkworth to Te Hana project under a long-term concession arrangement with NZTA.

This brings together the combined and proven capability of ACCIONA and Aberdeen Investments in the financing, development and operation of transport infrastructure projects locally and globally.

ACCIONA will also undertake the design, construction, operation and maintenance of the project, drawing on its extensive experience delivering complex transport infrastructure. Self-performing critical elements of the works including major earthworks, tunnelling, civil works and systems.

Diaphragm walls complete at Clayton station site, in Melbourne Australia. We've made 123 diaphragm walls for the Clayton...
30/07/2026

Diaphragm walls complete at Clayton station site, in Melbourne Australia.

We've made 123 diaphragm walls for the Clayton station box, marking a major step for Melbourne’s Suburban Rail Loop East.

This milestone enables excavation of the station box to begin, setting the foundations for the Suburban Rail Loop station at Clayton to take passengers in 2035.

The scope of these works involved constructing 123 reinforced concrete panels to form the station box perimeter and the underground passenger link to the existing station.

Diaphragm walls, or d-walls, are critical to stabilising deep excavations and are installed before any soil is removed.

Work began in April 2025 and concluded recently with the final panel poured during an overnight shift.

Each wall was built by excavating a narrow trench which was then filled with reinforced concrete, creating a reinforced concrete wall section.

With this phase complete, the next step is excavation, bringing Melbourne closer to a resilient transport connection that will serve its growing population for decades to come.

Electric crane powers Suburban Rail Loop East with zero diesel emissionsAs part of Suburban Connect, we've introduced a ...
29/07/2026

Electric crane powers Suburban Rail Loop East with zero diesel emissions

As part of Suburban Connect, we've introduced a 250-tonne electric crawler crane at Heatherton West to support tunnel-boring works on Melbourne’s Suburban Rail Loop East.

This move is cutting emissions, reducing noise and improving air quality while ensuring efficient delivery of complex infrastructure.
The crane, one of the largest electric plant items on the project, is expected to save around 9,000 litres of diesel during its operation.

Connected directly to mains power and supported by GreenPower-certified electricity, it eliminates exhaust fumes and minimises battery charging needs, benefiting both workers and nearby communities.

Electrical infrastructure installed for the crane has been designed with future tunnelling activities in mind, creating long-term value beyond its current role.

This approach reflects ACCIONA’s focus on practical, scalable solutions that reduce environmental impact while maintaining performance on major projects.
The crane is part of a broader electrification program across Suburban Rail Loop East.

Initiatives include electric pool vehicles supplied by Indigenous-owned Bunji Hire, solar-powered site facilities saving over 30,000 litres of fuel, and battery energy storage systems cutting generator runtime by 82%.

Together, these measures have already avoided significant carbon emissions and improved site conditions for crews and communities.

By integrating electric plant and renewable energy into construction, ACCIONA is helping deliver a vital transport link for Melbourne while accelerating the transition to lower-emissions infrastructure.

29/07/2026

Watch us close the lid on a 4-million-litre tank

The SUEZ ACCIONA Joint Venture has reached a key milestone in the delivery of Sydney Water’s Prospect Pre-treatment Plant, successfully installing the dome lid on the first of two thickened sludge tanks.

Together, the two tanks will provide a total storage capacity of 8,000 cubic metres of thickened sludge removed from Sydney’s raw water supply through the new treatment process.

This additional capacity strengthens the plants resilience, providing up to five days of storage during periods when sludge disposal sites are not accessible.

The installation marks another important step in delivering this critical infrastructure project and reflects the careful planning, collaboration and expertise of teams across the site.

Delivered safely and efficiently, this complex heavy lift showcases the strong coordination and commitment of everyone involved.

A great result and another step forward in delivering critical water infrastructure for Sydney Water.

100 towers and counting for HumeLink East!ACCIONA and our delivery partner GenusPlus Group are celebrating the completio...
28/07/2026

100 towers and counting for HumeLink East!

ACCIONA and our delivery partner GenusPlus Group are celebrating the completion of the 100th transmission tower for Transgrid’s HumeLink East project.
Main construction on the project started last 2025, with the first tower completed in January 2026 and the 100th erected this month.

Project Director Carel Nagel said: “This is a significant milestone on the project as just over six months ago we were celebrating the er****on of our first tower and now here we are at 100 completed towers.”

HumeLink East project includes 459 transmission towers which will support more than 6,000 km of conductor.

Once completed it will help deliver a more reliable and sustainable grid by increasing the amount of renewable energy that can be delivered to millions of homes and businesses.

Seventeen members from the Suburban Connect team marked International Women in Engineering Day by tackling the future of...
23/07/2026

Seventeen members from the Suburban Connect team marked International Women in Engineering Day by tackling the future of inclusion and innovation in Melbourne, Australia.

The consortium delivering Suburban Rail Link East, including ACCIONA, joined Engineers Australia recently, for a day of discussion and collaboration on how technology and diversity intersect in shaping the industry.

The daytime session explored how artificial intelligence is transforming engineering workflows, from automating processes to accelerating delivery. Participants worked on practical strategies to ensure these tools are adopted responsibly, with equity and trust at the core.

For ACCIONA Quality Graduate Parvana Hashimi, the event reinforced the importance of critical thinking in innovation.
“My key takeaway is to approach emerging AI technologies more critically while staying open to innovation, and I will be taking that mindset into my work moving forward,” she said.

The evening event created space for networking and deeper conversations, strengthening professional connections and continuing the dialogue on AI and inclusion across the sector.

Building sustainable infrastructure is not only about engineering solutions but also about fostering diverse perspectives that make those solutions stronger.

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