United Kingdom

Cruachan — 440 MW Hydroelectric

Hydroelectric Renewable Verified

Cruachan is a 440 MW hydro power plant located in United Kingdom. View location, capacity, and technical details.

Capacity
440 MW

Installed

Commissioned
1965

Year online

Owner
Scottish Power: Hydro schemes - Cruachan

Operator

Location
56.39, -5.12

Coordinates

Insights

#88
largest in United Kingdom
#813
largest Hydroelectric worldwide
#4,998
largest worldwide
1965
19 yrs older than avg
1
operated by Scottish Power: Hydro…
128
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
440 MW
Commissioned
1965
Status
Operational
Owner
Scottish Power: Hydro schemes - Cruachan
Country
United Kingdom
Coordinates
56.394, -5.115

Estimated Carbon Footprint

Annual CO₂
37,002 t

tonnes / year

Lifetime CO₂
2,960,179 t

over ~80 yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

8,044
cars / year
4,934
homes / year
1,681,920
trees to offset

Renewable source — life-cycle emissions only (materials/construction), no direct combustion. Open calculator

Nearby Stations

About this plant

Cruachan Power Plant, located in the United Kingdom, is a significant hydroelectric facility with a total capacity of 440 megawatts (MW). Operated by Scottish Power’s Hydro schemes, Cruachan stands as a testament to the potential of renewable energy sources in addressing the growing energy demands of the country while minimizing environmental impact. This power plant utilizes the kinetic energy of flowing water to generate electricity, a process that involves harnessing the gravitational pull of water flowing from higher elevations to lower ones. This method of energy generation is not only sustainable but also contributes to a reduction in greenhouse gas emissions, making it a vital component of the UK’s commitment to achieving carbon neutrality in the coming decades.

The hydroelectric power generation at Cruachan is facilitated by a pumped storage system, which allows for efficient energy management. Water is pumped from a lower reservoir to an upper reservoir during periods of low energy demand, effectively storing potential energy. When energy demand increases, the stored water is released back down through turbines, generating electricity. This dual-function capability makes Cruachan particularly valuable for balancing supply and demand in the national grid, especially during peak usage times. The plant can respond quickly to fluctuations in energy demand, which is essential for maintaining grid stability as the UK increasingly integrates intermittent renewable energy sources such as wind and solar.

In terms of environmental impact, Cruachan Power Plant represents a cleaner alternative to fossil fuel-based energy generation. The use of hydroelectric power significantly lowers carbon emissions, contributing positively to the UK’s environmental goals. Additionally, the plant’s operation has minimal direct emissions, although there are environmental considerations related to the construction and maintenance of the reservoir and surrounding areas. Careful management practices are employed to mitigate any potential ecological disruption, ensuring that the natural habitat is preserved as much as possible.

Regionally, Cruachan Power Plant plays a crucial role in the energy landscape of Scotland, serving not only as a source of renewable energy but also as a key player in local economic development. The plant supports jobs and contributes to the local economy through its operational and maintenance activities. Furthermore, it promotes tourism in the area, attracting visitors interested in renewable energy and hydroelectric technology through guided tours of the facility. As the UK transitions toward a more sustainable energy future, the importance of facilities like Cruachan will only continue to grow, solidifying its status as a cornerstone of the nation’s energy strategy.

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