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GB.4.1
Pumped Hydro Energy Storage
265 MW HALKYN MOUNTAIN
Closed Loop Hydro Power
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Title Page
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - General Map 
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Quarries Location Map
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - potential quarries
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Quarries Map
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant-y-Pwll Dwr Quarry   
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant-y-Pwll Dwr Quarry - photographs
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant-y-Pwll Dwr Quarry - Concept 
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant-y-Pwll Dwr Quarry - Plan with Calculations
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant-y-Pwll Dwr Quarry - Diagrammatic Section
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant-y-Pwll Dwr and Aberdo Quarries - Utilization
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Aberdo Quarry
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Aberdo Quarry - Photographs
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Aberdo Quarry - plan/notes
265 MW Energy Storage
Halkyn Mountain Pumped Hydro - Pant Quarry - plan/notes
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