Plans for a new 1.8GW pumped storage hydro scheme at Loch Fearna are progressing, promising significant energy storage potential.
- The proposed development will utilise Loch Quoich and Loch Fearna, leveraging the natural topography for cost efficiency.
- A grid connection offer has been secured, and development consultation with local communities is underway.
- SSE Renewables and Gilkes Energy are leading the venture, with government consultation on financing mechanisms in progress.
- The Loch Fearna project is part of a broader effort to bolster the UK’s renewable energy infrastructure.
Plans are underway for a significant 1.8GW capacity pumped storage hydro scheme at Loch Fearna, situated in Scotland’s Great Glen. The project, led by a consortium comprising Gilkes Energy and SSE Renewables, aims to enhance the region’s renewable energy capabilities. The development is strategically positioned at the western end of Glengarry, adjacent to the existing Loch Quoich reservoir, part of the larger Great Glen hydro scheme.
The project design capitalises on the natural features of Loch Fearna, notably its high head averaging 376m, which makes it particularly suitable for pumped storage hydro operations. The development will involve constructing two tunnels, approximately 1km each, to connect Loch Quioch and Loch Fearna, facilitating energy storage and generation. This design is expected to integrate seamlessly with the landscape, maintaining the area’s natural aesthetic while providing a substantial energy storage capacity of up to 37GWh.
SSE Renewables has highlighted the site’s geology and topography as ideal for the project, citing the area’s natural bowl shape, which allows for straightforward modifications to form an upper reservoir. This feature contributes to making the project highly cost-competitive. The joint venture has already secured a substantial grid connection offer of 1,795MW, a crucial step in advancing the project timeline.
Development efforts are spearheaded by Gilkes Energy under a development services agreement with SSE Renewables. The project has entered the consultation phase, engaging local communities and organisations to ensure sustainable development practices. A scoping opinion has been requested from Scottish Government ministers, with the planning application to be submitted as part of the ongoing development process.
If granted approval, the Loch Fearna scheme could become operational by the mid-2030s, contingent upon reaching a final investment decision. This venture is part of SSE Renewables’ broader strategy to expand its pumped hydro storage projects across the Highlands, recognising the technology’s essential role in achieving a decarbonised energy system. Additional projects include one of the largest proposed schemes at Coire Glas and a conversion of the Sloy Power Station into a pumped storage facility.
The Loch Fearna project signifies a strategic step towards enhancing Britain’s renewable energy infrastructure, potentially transforming energy storage capabilities in the region.
