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Scotland Office Minister David Duguid impressed by Cruachan Power Station

L-R Drax Group's Ian Kinnaird with UK Government Minister for Scotland, David Duguid, at Cruachan Power Station.
L-R Drax Group's Ian Kinnaird with UK Government Minister for Scotland, David Duguid, at Cruachan Power Station.

Scotland Office Minister, David Duguid, said he was “fascinated” after a visit to the iconic ‘Hollow Mountain’ Cruachan Power Station in Argyll.

Mr Duguid was at the Drax Group site to find out more about its role in unlocking Scotland’s renewable power potential and the energy company’s plans for a major new hydro project.

Cruachan is an underground pumped hydro storage power station built inside a hollowed-out cavern 1km inside Ben Cruachan – Argyll’s highest mountain.

Despite construction starting in 1959, its reversible turbines are still at the cutting edge of energy storage technology, enabling the plant to act like a giant water battery.

One of the largest infrastructure projects in Scotland

Plans are underway to build a new second underground pumped hydro storage power station at the Cruachan complex.

L-R Ian Kinnaird with David Duguid at the mouth to the access tunnel to Cruachan Power Station which stretches 1km into the heart of Ben Cruachan.

The construction would be one of the largest infrastructure projects in Scotland in recent decades, creating jobs and bring investment to the area.

Scotland leading the way

Ian Kinnaird, Drax Group’s Scottish assets & generation engineering director, said: “The UK has led the world in the transition from fossil fuels to renewable power, and Scotland has been at the forefront of this renewables revolution.

“Drax wants to go even further and unlock Scotland’s full renewable potential by expanding the iconic Cruachan pumped hydro storage plant in Argyll.

Drax wants to go even further and unlock Scotland’s full renewable potential by expanding the iconic Cruachan pumped hydro storage plant in Argyll.”

Ian Kinnaird, Drax Group Scottish assets & engineering director

“These innovative plants act like giant water batteries soaking up excess wind and solar power so our homes and businesses can use more green energy when we need it most.”

Cruachan’s turbines pump water from Loch Awe to an upper reservoir on the mountainside to store excess power from the grid.

L-R  David Duguid, and Drax Group’s Ian Kinnaird with Cruachan Power Station’s generating units behind them.

The stored water is then released back through the turbines to generate power quickly and reliably when demand increases.

This process helps stop wind farms being paid to turn off when they are generating excess power, helping Scotland to be greener whilst cutting household energy bills.

When all four of its generating units are operating at maximum capacity, the plant can supply enough flexible power for around 800,000 homes.

Mr Duguid said: “It was fascinating to tour the underground facility and see first-hand how it produces high volumes of power in such an environmentally-friendly way.

“We need to embrace the kind of technology employed at Drax and the next Smart Systems and Flexibility Plan, due for publication shortly, will outline steps to remove barriers to smart technologies.

It was fascinating to tour the underground facility and see first-hand how it produces high volumes of power in such an environmentally-friendly way.”

David Duguid, Scotland Office Minister

“It’s all in line with the UK Government’s ambitious climate and decarbonisation commitments as we strive to cut our emissions by nearly 80 per cent by 2035.”

Drax acquired Cruachan alongside the Galloway and Lanark hydro schemes in 2019.

Recently another scheme on Loch Ness, the proposed Red John pumped storage hydro project, achieved planning permission from the Scottish Government and is expected to bring up to 700 direct and indirect jobs.