The company personnel were instrumental in installing over 1 GW (gigawatt) of a-Si (amorphous silicon) equipment around the globe. The progress in c-Si (crystalline silicon) has made the low efficient a-Si technology not cost effective for power generation applications. Holistic Solar now offers an upgrade technology to these old manufacturing lines to enable the production of the next generation multi-junction thin films to be carried out on the upgraded equipment. The company offers for sale such upgrade of the technology – see brochure A.