Gulf countries have barely scratched of the surface the potential to use renewables to cut oil and gas consumption, boosting export revenue.

Mena countries have some of the highest rates of solar irradiance on the planet. But you wouldn’t know it from their retarded renewables uptake. Mena installed capacity of solar and wind totals just 5.7GW (3.2GW solar, 2.5GW wind), 0.6% of the global figure (MEES, 27 April).

And these headline capacity figures overstate the importance of solar...