Tir / Land Glyn Rhonwy Estate, Llanberis, Gwynedd, LL55 4EL
Cais ar gyfer diwygio amod 1 o ganiatâd cynllunio cyfeirnod C21/0934/15/AC ar gyfer gosod llinell cyswllt grid 132KV tanddaearol rhwng safle storio pwmp Glyn Rhonwy ac Is-orsaf Pentir er mwyn ymestyn y cyfnod dechreuad y datblygiad o 2 flynedd ychwanegol / Application to amed condition 1 of planning permission reference C21/0934/15/AC for installation of underground 132KV grid connection cables between the Glyn Rhonwy Storage Facility and Pentir Substation so as to extend the development commencement period for an additional 2 years.