Solarvalue returns to the drawing board over UMG silicon viability

Facebook
Twitter
LinkedIn
Reddit
Email

UMG silicon hopeful Solarvalue AG has cancelled its upgraded metallurgical grade silicon (UMG-Si) supply contract with Moser Baer Group. Their UMG-Si method was to be expanded into full-scale UMG production at its Slovenian manufacturing site, but Solarvalue has not been able to achieve required purity levels in laboratory tests. In addition, UMG and polysilicon prices have declined substantially, making current production processes economically unrealistic.

However, the company is not giving up on the endeavour. Solarvalue said they would develop a new process and a new economic feasibility model, all to be evaluated at a different laboratory. The required funds are in hand for these tasks.

“We are facing a completely new situation and a totally new challenge,” noted Dr. Christian Bornhauser, COO of Solarvalue. “The negative results from the evaluation of the process technology in the U.S. laboratory in the last few months and the simulation of the planned production process based on this as well as the current, significantly reduced silicon prices have made this step inevitable.

“As has been shown, essential changes in the process sequence and in the plant technology must be made to achieve the necessary purity while meeting adjusted cost targets. With the new production process, the goal is, of course, also to produce solar-grade silicon from metallurgical-grade silicon at long-term competitive costs,” Bornhauser continued. “A separate laboratory facility is expected to show whether the targeted process will provide the expected purity and what production costs are to be expected. Concurrent feasibility studies at renowned equipment manufacturers will have to show whether the process can be used industrially.”

This article requires Premium SubscriptionBasic (FREE) Subscription

Unlock unlimited access for 12 whole months of distinctive global analysis

Photovoltaics International is now included.

  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Unlimited digital access to the PV Tech Power journal catalogue
  • Unlimited digital access to the Photovoltaics International journal catalogue
  • Access to more than 1,000 technical papers
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

Read Next

July 19, 2024
US solar manufacturer First Solar has started an investigation into several crystalline-silicon cell solar manufacturers for potential infringement of its patents.
July 19, 2024
Investment fund Quinbrook Infrastructure Partners and its subsidiary Primergy Solar have reached commercial operations at their 690MWac/966MWdc Gemini solar-plus-storage project in Nevada.
July 19, 2024
The Energy Storage for Resilient Homes Act would allow residents of the two states to use funding from the Federal Emergency Management Agency (FEMA) to purchase residential BESS.
July 19, 2024
SunPower said the decision was not made "lightly" and will consider options to support its mutual customers and collective business pipeline.
July 19, 2024
Sungrow has signed an agreement with Hero Group's renewables arm Hero Future Energies to supply 850MW of inverters.
July 19, 2024
The US Department of Energy (DOE) has issued a loan of up to US$861.3 million to support 200MW of solar PV and 285MW/1,140MWh of battery energy storage system (BESS) projects in Puerto Rico.

Subscribe to Newsletter

Upcoming Events

Upcoming Webinars
July 31, 2024
1:00 PM (BST) / 2:00PM (CEST)
Solar Media Events
September 24, 2024
Warsaw, Poland
Solar Media Events
September 24, 2024
Singapore, Asia
Solar Media Events
October 8, 2024
San Francisco Bay Area, USA