But for the time being the supply shortage will continue to be a nightmare for mid- and downstream firms. In their efforts to guarantee access to product, the large solar-cell manufacturers have adopted various strategies. Some, like Motech, have directly invested in upstream factories to create vertical integration. Others have signed long-term contracts with wafer suppliers.
為了確保貨源，各大太陽能電池廠的對策各有不同，有的直接投資上游晶圓廠做垂直整合，如茂迪；有的則與晶圓供應商簽訂長期供料合約。