National Grid Co Plc, Llanddeiniolen, Caernarfon, Gwynedd, LL55 3AN
Gosod cebl trydan tanddaearol mewn perthynas â chynllun cyfleuster storio ynni BESS Pentir (cyfeirnod yr ACLl: C24/0532/25/LL) Installation of underground electricity cable in association with Pentir BESS energy storage scheme (LPA reference: C24/0532/25/LL)