Woodside teams with US startup to explore solar thermal technology


From pv magazine Australia

Woodside Energy, a wholly owned subsidiary of Australia’s largest independent dedicated oil and gas company, Woodside Petroleum, has granted Heliogen a limited notice to proceed to begin purchasing key equipment for a 5 MW solar thermal demonstration facility that will use the Californian company’s AI-enabled concentrated solar technology.

Woodside said the commercial-scale facility will use advanced computer vision software that precisely aligns an array of mirrors to reflect sunlight to a single target on the top of a solar tower, thereby enabling storage in the form of high-temperature thermal energy.

Heliogen claims its baseline system will provide industrial-grade heat capable of replacing fossil fuels in industrial processes, including the production of cement, steel, and petrochemicals. It will also enable power generation through the addition of thermal energy storage systems, a turbine for power generation, and electrolyzers for green hydrogen production.

Heliogen Chief Executive Bill Gross said the company’s concentrated solar technology hax the potential to transform heavy industry by “turning sunlight into a zero-carbon source of heat, power and hydrogen that is nearly always available … Although costs of large-scale solar are falling, conventional solar technologies are not yet cost-competitive with fossil fuels in most energy markets due to their intermittent availability.”

Woodside’s decision to issue the limited notice to proceed follows a six-month feasibility study by the two companies and a front-end engineering and design contract that started earlier this year. A final commitment to construction of the 5 MW facility is expected in 2022. The two companies also intend to jointly market Heliogen’s technology in Australia and the United States.

Under the proposed joint marketing arrangement, the companies will look to establish a framework to develop additional potential renewable energy projects, including replicating and scaling Heliogen’s modular, AI-enabled concentrated solar facility to support Woodside’s forecasted power requirements at its global locations.

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Woodside Chief Executive Officer Meg O’Neill said the collaboration with Heliogen would help Woodside meet customer requirements for low-cost, lower-carbon energy and support the miner’s decarbonisation strategy as it targets net zero emissions by 2050.

“This is a significant step toward the development of our first facility with Heliogen, which we hope will be just the start of our ongoing collaboration,” she said. “Heliogen’s innovative technology could play a key supporting role in development of Woodside’s zero-carbon hydrogen and ammonia business, which would rely on access to abundant and reliable renewable power.”

Woodside, which earlier this year revealed plans to develop a 100 MW solar PV plant alongside its Pluto liquefied natural gas facility in Western Australia’s Pilbara region, is also exploring solar thermal technology opportunities in Australia.

Woodside said earlier this month that it would provide Adelaide-based 1414 Degrees with funding to support the further development of its SiBox thermal energy storage technology, which stores intermittent renewable energy using silicon to produce clean, high-temperature heat, replacing the need to burn coal or gas. Under the terms of the deal, Woodside will contribute up to AUD 2 million ($1.5 million) for the further development of the 1 MWh SiBox demonstration module. Woodside will then have the opportunity to notify 1414 Degrees, which is developing the Aurora concentrated solar power project in South Australia, if they wish to proceed to jointly develop and commercialize the SiBox technology.

1414 Degrees Chief Executive Matt Squire said the company’s technology has the potential to be “a major component of future renewable energy projects due to its flexibility and capability in delivering high temperature heat.”

“This is positive news for 1414 Degrees,” he said. “This partnership with Woodside is a vote of confidence in our SiBox renewable energy storage and the continued advancement of our technology that utilises the latent heat properties of silicon.”

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