SolarWorld – which as recently as 2013 was in such a mess that some predicted its collapse – supplied 849MW of solar modules and kits in 2014, up from 548MW the year before.

That performance was fuelled by a strong performance in the US, which now accounts for 41% of group sales.

The American uplift, along with expansion in France, the UK and Japan, helped SolarWorld exceed its 2014 shipment target and predict global deliveries of more than 1GW for 2015.

It