I would like to add to Mr.Tourillon's response, on page 26 of the new corporate presentation, notes 1 & 2 at the the bottom of the page state;
1. HPQ first commercial PUREVAPTM plant capacity should be 2,5K MTY of High Purity Si and the UMG plant capacity 2K MTY of SoG Si
2. PYR Budgetary Studies reduces the CapEx per Kg of annual Capacity to US$ 6.35 per Kg when capacity of the first PUREVAPTM plant is double to 5,000 MTY