1414 Degrees looks to add batteries to silicon energy storage






Thermal energy storage developer 1414 Degrees has evaluated its TESS molten silicon technology for energy storage under scenarios linked to additional battery storage.

The company, which is developing the Silicon Aurora project near Port Augusta in South Australia, found the project would generate higher revenues by combining thermal (TESS) and battery enetrgy (BESS) storage.

The company told investors a partial set of revenue stacks modelled by ITP Renewables using historical data shows a positive revenue outlook for TESS at the site.

Charging the TESS from the grid could earn substantial revenues from Frequency Control Ancillary Services (FCAS), which in turn reduces the levelised cost of storage (LCOS).

Importantly, the modelling shows that a combination of TESS and BESS storage increases potential revenue generation through more flexibility of frequency response.

The company, which is commercialising the storage and recovery of energy in molten silicon, plans a 400 megawatt solar farm and a gigawatt of energy storage

ITP has been optimising and refining models of revenues from a variety of plant scenarios wwhich will be followed by specialist modelling using projections to 2050 for use in the Aurora business case and project financing.

1414 Degrees Executive Chairman, Dr Kevin Moriarty said: “There are other revenue sources that cannot be predicted for inclusion in the stacks, and more are expected to be created as the regulatory market adjusts, driving down the LCOS.

“A BESS and TESS can complement each other to provide short and long duration storage capabilities as described in AEMO’s recent Integrated System Plan.”

1414 took control of the Silicon Aurora project from Solar Reserve which failed to progress the giant project.

The first stage of the project would be 70 megawatt of solar PV to be opened in mid-2021,

Last year 1414 Degrees commissioned a GAS-TESS implementation at the Glenelg Wastewater Treatment Plant in Adelaide which burns biogas from wastewater and stores power using its molten silicon technology (pictured).

Picture: 1414 Degrees/Commissioning, Glenelg Wastewater Treatment Plant, Adelaide

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