# Drax advances £80 million Cruachan upgrade as grid flexibility takes focus

- Link: https://www.directorstalkinterviews.com/drax-advances-80-million-cruachan-upgrade-as-grid-flexibility-takes-focus/4121261157
- Published: 2026-08-25T12:12:00+01:00
- Author: Amilia Stone

Drax Group is progressing an £80 million upgrade and refurbishment programme at 
its Cruachan pumped storage hydro power station in Scotland, reinforcing the role
of flexible generation within its wider UK energy portfolio.

Scotland’s First Minister John Swinney visited the Cruachan facility near Oban in
Argyll as work continues on the project. The programme includes the refurbishment
of two generating units and the replacement of all four of the power station’s main
inlet water valves. The works are expected to increase Cruachan’s generating capacity
while renewing important infrastructure at a plant that has been operating since
1965.

The investment represents a significant programme of asset renewal at an established
power station rather than the construction of an entirely new facility. That distinction
is relevant to the risk profile of the project, with Drax investing in existing 
infrastructure that already has an operational role within the electricity system.
Refurbishing generating equipment and replacing key water control components should
support the plant’s ability to continue providing flexible generation as the electricity
mix changes.

Cruachan operates as a pumped storage hydro facility. Water held in an upper reservoir
can be released through turbines into Loch Awe below to generate electricity. When
excess electricity is available on the grid, the process can be reversed, using 
power to pump water back to the upper reservoir for later use. This allows the station
to function as a large-scale energy storage asset, shifting electricity from periods
of lower demand to periods when additional generation is required.

Wind and solar output can vary according to weather conditions, creating a requirement
for assets that can respond when supply and demand move out of balance. Cruachan’s
ability to both store and generate electricity positions the station within this
flexible part of the market and supports Drax’s stated objective of building its
position in flexible, renewable generation.

_**[Drax Group plc](https://www.directorstalkinterviews.com/company/drax-group-plc/drx.l)**(
LON:DRX), trading as Drax, is a power generation business. The principal downstream
enterprises are based in the UK and include Drax Power Limited, which runs the biomass
fuelled Drax power station, near Selby in North Yorkshire._

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