Pumped storage: a new project for Wales 31st March 2015: The Engineer
Llyn Padarn water could feed Glyn Rhonwy hydroelectric plant
http://www.dailypost.co.uk/business/business-news/glyn-rhonwy-hydro-electric-plant-10460837
http://www.dailypost.co.uk/news/north-wales-news/glyn-rhonwy-llyn-padarn-llanberis-9740917
http://www.dailypost.co.uk/news/north-wales-news/protest-llyn-padarn-over-glyn-8871155
http://www.dailypost.co.uk/news/north-wales-news/100m-snowdonia-hydro-power-plans-final-8749646
Major boost for £100 million Llanberis quarry energy plans
Restoration plans for Glyn Rhonwy quarries in Gwynedd under fire
WW2 nerve gas fears for Snowdonia hydro project
Llanberis Questions over nerve gas at Gwynedd quarry rejected by Ministry of Defence