Article
Without much further ado, here's the (saddening) list:
2009 to 2010
Bankrupt, closed, acquired
2011
Bankrupt, closed
EPV Solar (a-Si) bankrupt
Evergreen (drawn Si) bankrupt
Solyndra (CIGS) bankrupt
SpectraWatt (c-Si) bankrupt
Stirling Energy Systems (dish engine) bankrupt
Acquisition, sale
Ascent Solar (CIGS) acquired by TFG Radiant
Calyxo (CdTe) acquired by Solar Fields from Q.cells
HelioVolt (CIGS) acquired by Korea's SK Innovation
National Semiconductor Solar Magic (panel optimizers) exited systems business
NetCrystal (silicon on flexible substrate) acquired by Solar Semiconductor
Soliant (CPV) acquired by Emcore
2012
Bankrupt, closed
Abound Solar (CdTe) bankrupt
AQT (CIGS) closed
Ampulse (thin silicon) closed
Arise Technology (PV modules) bankrupt
Azuray (microinverters) closed
BP (c-Si panels) exits solar business
Centrotherm (PV manufacturing equipment) bankrupt
CSG (c-Si on glass) closed by Suntech
Day4 Energy (cell interconnects) delisted from TSX exchange
ECD (a-Si) bankrupt
Energy Innovations (CPV) bankrupt
Flexcell (a-Si roll-roll BIPV) closed
GlobalWatt (solar) closed
GreenVolts (CPV) closed
Global Solar Energy (CIGS) closed
G24i (DSCs) bankrupt in 2012, re-emerged as G24i Power with new investors
Hoku (polysilicon) shut down its Idaho polysilicon production facility
Inventux (a-Si) bankrupt
Konarka (OSCs) bankrupt
Odersun (CIGS) bankrupt
Pramac (a-Si panels built with equipment from Oerlikon) insolvent
Pairan (Germany inverters) insolvent
Ralos (developer) bankrupt
REC Wafer (c-Si) bankrupt
Satcon (BoS) bankrupt
Schott (c-Si) exits c-Si business
Schuco (a-Si) shutting down its a-Si business
Sencera (a-Si) closed
Siliken (c-Si modules) closed
Skyline Solar (LCPV) closed
Siemens (CSP, inverters, BOS) divestment from solar
Solar Millennium (developer) insolvent
Solarhybrid (developer) insolvent
Solarwatt (c-Si modules) bankrupt
Sovello (Q.cells, Evergreen, REC JV) bankrupt
SolarDay (c-Si modules) insolvent
Solar Power Industries (PV modules) bankrupt
Soltecture (CIGS BIPV) bankrupt
Sun Concept (developer) bankrupt
Acquisition, fire sale, restructuring
Oelmaier (Germany inverters) insolvent, bought by agricultural supplier Lehner Agrar
Q.Cells (c-Si) insolvent, acquired by South Korea's Hanwha
Sharp (a-Si) backing away from a-Si, retiring 160 of its 320 megawatts in Japan
Solibro (CIGS) Q-Cells unit acquired by China's Hanergy
Solon (c-Si) acquired by UAE's Microsol
Scheuten Solar (BIPV) bankrupt, then acquired by Aikosolar
SolFocus (CPV) layoffs, restructuring for sale
Sunways (c-Si, inverters) bought by LDK, restructuring to focus on BIPV and storage
2013
Bankrupt, closed
Bosch (c-Si PV module) exits module business
Concentrator Optics (CPV) bankrupt
Suntech (c-Si) bankrupt
Acquisition, sale, restructuring
Diehl (Germany inverters) inverter division sold to PE firm mutares AG
ISET (CIGS) moving into "microsolar"
MiaSolé (CIGS) acquired by China's Hanergy
Nanosolar (CIGS) restructuring for sale
NuvoSun (CIGS) acquired by Dow
Twin Creeks (kerfless Si) acquired by GT Advanced Technology
Wuerth Solar (installer) business turned over to BayWa
Take a look at the original article at Greentech Media, for more information