Clean power is one part of it. Other parts are - HVDC cables to move the power to where it is needed. - grid scale batteries to buffer power, and even it out

Clean power is one part of it. Other parts are - HVDC cables to move the power to where it is needed. - grid scale batteries to buffer power, and even it out. - transformers. Hitherto grid transformers were all built as bespoke parts, but this is being standardised for lower lead time and economies of scale.