9 April 2013


Sharp REC

GTM publishes list of 'Deceased Solar Companies'


Without much further ado, here's the (saddening) list:


2009 to 2010

Bankrupt, closed, acquired


  • Advent Solar (emitter wrap-through Si) acquired by Applied Materials
  • Applied Solar (solar roofing) acquired by Quercus Trust
  • OptiSolar (a-Si on a grand scale) closed
  • Ready Solar (PV installation) acquired by SunEdison
  • Solasta (nano-coaxial solar) closed
  • SV Solar (low-concentration PV) closed
  • Senergen (depositing silane onto free-form metallurgical-grade Si substrates) closed
  • Signet Solar (a-Si) bankrupt
  • Sunfilm (a-Si) bankrupt
  • Wakonda (GaAs) closed


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


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


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


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