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Billion-dollar boost for local solar PV

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14 Apr, 2024

This post was originally published on Sustainability Matters

The Australian Government has announced its Solar Sunshot program, aimed at growing solar PV manufacturing in Australia while providing a pathway for local solar PV innovation to be commercialised.

The $1 billion program will be delivered by the Australian Renewable Energy Agency (ARENA), with development and design to be carried out in collaboration with the Department of Climate Change, Energy, the Environment and Water (DCCEEW).

Prior to this, ARENA had funded the Australian Photovoltaic Institute’s (APVI) ‘Silicon to Solar’ report to investigate solar manufacturing capability and potential in Australia. The report outlined a credible pathway for a domestic supply chain that could result in benefits such as securing access to solar PV components, creating local jobs, attracting significant private investment and unlocking potential export opportunities.

“ARENA has been at the forefront of building Australia’s solar PV industry through its support for research, innovation and large-scale deployment. This has helped solar to become our cheapest form of energy,” said ARENA CEO Darren Miller.

“We’re pleased to see the Australian Government recognise ARENA’s wealth of experience and close relationships with industry by calling on us to deliver the Solar Sunshot program.”

Through Solar Sunshot, the government intends to provide support across the entire solar PV supply chain, including the scaling up of module manufacturing capabilities and exploration of other areas where grant funding can help kickstart the industry.

Areas of interest could be polysilicon, ingots and wafers, cells, module assembly, and other parts of the solar supply chain like solar glass and advanced deployment technology. There is also potential for development of other aspects identified through industry consultation.

ARENA and DCCEEW will publish a consultation paper outlining proposed specifications for the program, including objectives, funding mechanisms, timings, and draft eligibility and merit criteria.

“Australia has the opportunity to build high-quality products across the solar PV supply chain. Although we have a very small production capability today, we have the skills and the partnerships to establish a strong base that can be built on over the next decade,” Miller said.

“To unlock our renewable energy superpower vision, we need to be able to play a part in the whole supply chain, while also working with international partners and leveraging learnings as we build our own capability to complement the global market.

“We’ll be consulting widely with industry and other stakeholders to hear their views and inform what will be a transformative scale-up of Australia’s solar PV manufacturing capacity.”

Following the consultation period, ARENA and DCCEEW will develop the final program design.

Stakeholders can register their interest in participating in the consultation process at https://arena.gov.au/funding/solar-sunshot/.

Image credit: iStock.com/FernandoAH

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From glass waste to energy-efficient bricks

From glass waste to energy-efficient bricks

RMIT University engineers have created a new type of energy-efficient brick from scrap materials.

In collaboration with Australian recycling company Visy, the engineers used a minimum of 15% waste glass and 20% combusted solid waste (ash) as substitutes for clay in their bricks.

Team leader Associate Professor Dilan Robert said about 1.4 trillion bricks were used in construction projects globally every year.

“Business-as-usual brick production produces harmful emissions — including carbon dioxide, sulfur dioxide and chlorine — and puts a serious strain on our natural resources, particularly clay,” said Robert, from RMIT’s School of Engineering.

Replacing clay with waste materials in the production of the new bricks helped reduce the firing temperature by up to 20% compared with standard brick mixtures, offering potential cost savings to manufacturers.

Team leader Associate Professor Dilan Robert (third from left) with the RMIT research team behind the energy-smart bricks in a lab at RMIT University. Credit: Seamus Daniel, RMIT University.

Importantly, test results indicated that using these bricks in the construction of a single-storey building could reduce household energy bills by up to 5% compared to regular bricks, due to improved insulation.

In addition to their energy efficiency benefits, the new bricks comply with stringent structural, durability and environmental sustainability standards, with the technology meeting the key compliance requirement of fired clay bricks set by Standards Australia (AS 3700).

“Bricks play a key role in preventing energy loss from buildings,” Robert said.

“We can also produce lightweight bricks in a range of colours from white to dark red by changing our formulations.”

Dr Biplob Pramanik, the RMIT team’s environmental engineer, said the new bricks were safe to use in construction projects.

“Our bricks, manufactured from industry waste, meet state environmental regulations,” he said.

Waste glass that the team can use in their energy-smart bricks. Credit: Seamus Daniel, RMIT University.

In Victoria, Visy recycles glass packaging back into new bottles and jars. The new bricks provide a solution for the use of fines — pieces of glass smaller than 3 mm — which cannot be recycled into bottles.

Paul Andrich, Innovation Project Manager at Visy, said the company was thrilled to find a solution for material that cannot be recycled into food and beverage packaging.

“Diverting this waste into bricks with added insulation, rather than landfill, is another way we are powering the circular economy,” he said.

The researchers now plan to expand the use of their technology.

“We are focusing on scaling up the production process to facilitate the commercialisation of our innovative bricks in collaboration with brick manufacturers in Melbourne,” Robert said.

The team is also looking to collaborate with industry to explore applications of waste material in other construction products.

Their latest research has been published in the international journal Construction and Building Materials.

Top image caption: The team’s energy-smart bricks in a range of colours. Credit: Seamus Daniel, RMIT University.

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