That is the claim of Andrea Cuomo, a veteran of the microchip business who is also chairman of thin-film PV specialist 3Sun.

The biggest danger for PV on the cost front is that many of its most powerful companies have locked themselves into technologies that have only a limited scope for further evolution, says Cuomo.

“Utilisation and production scale are important, but this industry needs to allow room for the emergence of new technologies, new production processes, new materials,” he says, referring to Asian manufacturers’ single-minded drive towards economies of scale.

“We’re