.... and is that the maximum percentage of renewables 54% ? what is the minimum daily percentage? There should be a measure what is the maximum percentage

.... and is that the maximum percentage of renewables 54% ? what is the minimum daily percentage? There should be a measure what is the maximum percentage over a month? to see how renewable system handles outages of renewables ( ie no solor or wind ? and storage is the sole supply? How long can storage supply the needed power is the next question ? The needed storage and transmission changes are hard and expensive.