Congratulations.
The Global Pumped Hydro Atlas rates the Sloy site at A, very good, for 15GWh - 18 hours duration @ 833 MW - so a far more powerful & costly upgrade could be invested in for development here.
scottishscientist.wordpress.com/2023/02/05/m...
#pumpedhydro #sloy #sse #LDES #energystorage