ROTH Capital expects strong rebound in solar demand in 2019

ROTH Capital Partners has become increasingly bullish on a strong rebound in global solar demand in 2019, led by competitive pricing dynamics with other energy sources and increasing optimism that China will provide good subsidy support for solar in 2019 and onwards.

Beyond boron-oxygen-deactivation: industrial feasible LID-free p-type Czochralski silicon

Today’s industry standard B-doped monocrystalline silicon still suffers from light-induced degradation of the carrier lifetime. Illumination at elevated temperature leads to a so-called regeneration, i.e. a recovery of the carrier lifetime as well as the solar cell efficiency. However, even though the carrier lifetime on test wafers increases from about 1 ms after processing to 3 ms after regeneration, the corresponding PERC+ cell efficiencies in both states are identical. We discuss possible reasons for this discrepancy. Additionally, we evaluate B-doped Czochralski silicon wafers with an ultra-low oxygen content of 2.6 ppma as well as industrial Ga-doped wafers. Both wafer materials are completely LID-free in lifetime measurements and PERC+ cell efficiencies and enable up to 0.4%abs higher efficiencies than present industry-typical boron-doped wafers.

Wacker’s polysilicon division sales plummeted 27% in 2018

Major polysilicon producer Wacker Chemie has reported its polysilicon division was heavily impacted by the slump in demand due to China’s ‘531 New Deal’ as a reason for the sharp decline in revenue and profitability which declined significantly in 2018.

GCL-Poly to expand new Xinjiang polysilicon production plant to 60,000MT

Leading polysilicon and solar wafer producer GCL-Poly Energy Holdings has announced that its new Xinjiang polysilicon production plant’s annual nameplate capacity will be increased to 60,000MT, up from the revised plans mid-year to increase the capacity from 40,000MT to 50,000MT.

Daqo’s solar wafer sales set to sink 70% in Q3 as China caps bite

China-based polysilicon and wafer producer Daqo New Energy has guided wafer sales volume down 70%, year-on-year as the caps on utility-scale and Distributed Generation (DG) solar projects in China at the end of May start impacting quarterly business results for many companies dependent on the China solar market.

Xinte Energy signs major polysilicon supply deal with LONGi

Leading integrated high-efficiency monocrystalline module manufacturer and ‘Silicon Module Super League’ (SMSL) member LONGi Green Energy Technology has entered into another major polysilicon supply deal, adding TBEA subsidiary, Xinte Energy Co to its supplier base in a new three-year purchasing agreement.