https://www.thenational.ae/business/energy/enormous-saudi-arabian...

https://www.thenational.ae/business...d-lead-to-new-middle-east-energy-era-1.719786

Masayoshi Son, the founder of SoftBank, has said the giant solar plant will have the “largest utility-scale battery” to provide evening power. It will have to have – even the US has only about 1GW of battery storage installed to date, although Bloomberg New Energy Finance predicts about 45GW will have been installed worldwide by 2024. At a rough estimate, and allowing for falls in battery costs, this might add another $150bn or more to the price-tag.