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PINS notified of new application for the Glyn Rhonwy Pumped Storage scheme

Snowdonia Pumped Hydro Limited has formally notified the Planning Inspectorate (PINS) that it intends to submit its application for a Development Consent Order (DCO) for its proposed 600 MWh pumped electricity storage facility at Glyn Rhonwy, near Llanberis, on the edge of Snowdonia National Park. The application is expected by PINS in the second quarter of 2015.

The proposal would see the conversion of two disused slate quarries into a 600 MWh pumped electricity storage facility with a capacity of up to 99.9MW.  The facility would store electricity by using electrical energy to pump water from a lower to a higher quarry for storage.  When energy was required, the water would be dropped back down through a turbine.

The scheme was previously granted planning permission by Gwynedd Council in September 2013 and the developer is now seeking to increase the output of the facility from 49.9MW to 99.9MW.

More information on the project can be found on the PINS and the Developer's websites.