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Sloy Pumped Hydro Storage Scheme

For SSE Renewables

Pumped Storage

EIA

LVIA

Project Context

The existing Sloy Hydroelectric Power Station is located within the Loch Lomond and Trossachs National Park. It came into operation in 1950 with an installed capacity of over 150MW. The site was identified as being well-suited to conversion given the low load factor, large storage capacity and existing infrastructure connections.

Scottish Ministers granted consent to convert the Sloy Hydroelectric Scheme into a Pumped Storage Scheme in 2010. Due to a perceived lack of market, the scheme wasn’t built and the consent lapsed. There is now a clear recognised need for the development of pumped hydro storage to enable a greater balance between electricity supply and demand.

What we did

ASH was appointed by SSE Renewables to coordinate both the 2010 application and the revised 2024 application. We input into the design development of both schemes including the preparation of the Scoping Reports, coordination of all environmental inputs and landscape and visual impact assessments. This work culminated in the production of the EIA Report in support of the Section 36 application to Scottish Ministers.

Throughout the process ASH actively consulted with statutory bodies including Loch Lomond and the Trossachs National Park, NatureScot, HES, SEPA and Transport Scotland in order to ensure that all parties had input into and were satisfied with the final scheme design and associated mitigation proposals.

The Outcome

Section 36 and Listed Building Consent applications were submitted in November 2024 and a decision is expected imminently.

Find Out More

We’re always happy to answer your questions. If you’d like to find out more about the services we can offer for your project, you can email us on info@ashglasgow.com or call 0141 227 3388.

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