Cyd Ogwen,yr Ymddiriedolaeth Genedlaethol,Cymdeithas Ymddiriedolaethau Datblygu Cymru,Ynni Cymunedol Cymru,Rhwydweithiau Ynni Scottish Power,a Co-operative Energy.Mae’r treialon wedi eu cymeradwyo gan Ofgem ac Elexon.
Cyd Ogwen,the National Trust,Development Trust Association Wales,Community Energy Wales (CEW),Scottish Power Energy Networks (SPEN),Co-operative Energy.The trial has secured approval from Ofgem and Elexon.