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AGL investigates feasibility of repurposing coal ash at Bayswater


AGL Energy will investigate the possibility of converting coal ash into construction bricks at its Bayswater Power Station in the Hunter Valley.

The company recently signed a Memorandum of Understanding (MoU) with Nu-Rock to utilise its state-of-the-art recycling technology, which transforms large volumes of solid and liquid industrial waste materials into a range of environmentally-sustainable building products.

Earlier this year, AGL brought forward the closure windows of its coal-fired facilities, with Bayswater – located between Muswellbrook and Singleton – set to shut no later than 2033.

Chief operating officer Markus Brokhof said the MoU with Nu-Rock would explore recycling waste in an innovative way.

“This technology is a great example of using various value streams,” he explained.

“As we produce energy at Bayswater to power the state, our coal ash waste can be recycled into bricks that can be used in local construction projects.

“So, our feasibility study with Nu-Rock will determine whether we can implement this technology at Bayswater, which if approved would provide up to 30 full-time jobs for the first facility that will be the nucleus of our industrial waste cluster.

“We are proud to be an integral part of the Hunter region and contributing to the transition of the community by recycling our waste in a way that is beneficial, providing building supplies for local construction projects.

“We have a very clear plan to rejuvenate our thermal sites into low carbon industrial energy hubs.

“This technology would complement those plans, as an operations-led facility at the Bayswater site reducing the volume of coal ash going to landfill.

“As we continue our energy transition, we are exploring more ways to introduce sustainable and renewable facilities and technology at our sites, focusing on how we can generate clean power, lower our emissions and recycle our energy waste for our communities and employees.”

Nu-Rock founder and managing director Maroun George Rahme echoed Mr Brokhof’s sentiments.

“We are working closely with AGL to develop a process to turn by-product they generate by manufacturing products that is using less than 3% of the Embodied Energy, are carbon negative, up to four hours fire rated, up to 50% lighter and less expensive than conventional materials that cannot meet our standards, to be able to build a better future,” he said.

“It will leave no legacy by-product behind and stop the need to quarry virgin materials to make conventional products that cannot be recycled completely at the end of their life.”

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