Target is now an undefined number of large-scale, multi-billion dollar projects rather than a $200bn, 200GW megaproject.

The Saudi government’s Public Investment Fund (PIF) is scaling back its world-beating plan for a major investment in the solar power industry, although the size of the program still appears massive – certainly compared to the country’s miniscule current installed solar capacity.

The official Saudi Press Agency (SPA) issued a 1 October report ostensibly...