Copies of correspondence between the Welsh Government and DESNZ and/or NESO covering the potential capacity in Wales for generation, transmission and distribution.
Copïau o ohebiaeth rhwng Llywodraeth Cymru a DESNZ a/neu NESO sy’n ymwneud â’r capasiti posibl ar gyfer cynhyrchu, trawsyrru a dosbarthu yng Nghymru.