If solar and wind were scaled to provide the same kWh as everything else does right now (solar and wind providing all power involved in the mining and repair of

If solar and wind were scaled to provide the same kWh as everything else does right now (solar and wind providing all power involved in the mining and repair of the machines used to build solar and wind), would they still be more effective than non-renewables? Or is a combination of renewables and non-renewables the most efficient?