Renewables are now the most competitive source of generation in the Gulf, with nations in the oil-rich region set to install 7GW of clean power capacity by the early 2020s, a new study claims.

The report from the Abu Dhabi-based International Renewable Energy Agency (Irena) said a combination of good natural resources and robust enabling policies have driven costs of solar PV – which accounts for three-quarters of the regional pipeline – below $30/MWh.