Overview
Dinorwig is a 1,800 MW hydroelectric power plant in the United Kingdom, operated by ENGIE. It is one of the largest pumped-storage hydroelectric schemes in Europe, providing rapid-response grid balancing.
Dinorwig is a hydroelectric power plant located in the United Kingdom, with a capacity of 1,800 MW. It is operated by ENGIE and is one of the largest pumped-storage hydroelectric facilities in Europe. The plant plays a critical role in the UK's electricity grid, providing fast-response power to balance supply and demand. The plant utilizes pumped-storage technology, where water is pumped from a lower reservoir to an upper reservoir during periods of low demand and released to generate electricity during peak demand. This technology allows Dinorwig to respond to grid fluctuations within seconds, supporting the integration of intermittent renewable energy sources like wind and solar. The facility's large capacity and rapid response make it a key asset for grid stability. Dinorwig's environmental significance lies in its ability to store energy and reduce reliance on fossil fuel-based peaking plants. By enabling greater use of renewable energy, the plant contributes to the UK's carbon reduction targets. Its location in a mountainous region minimizes visual impact, and the reservoirs provide recreational opportunities. The plant's operational flexibility supports the transition to a low-carbon electricity system.
Environmental context
As a hydroelectric plant, Dinorwig has a low direct carbon footprint compared to fossil fuel plants. However, the construction of reservoirs can alter local ecosystems and water flow. The plant's pumped-storage operation involves cycling water between reservoirs, which can affect aquatic habitats. The facility is located in a mountainous area, minimizing impact on populated regions. Its role in grid balancing supports the integration of renewable energy, reducing overall emissions from the UK power sector.
Frequently asked questions
Dinorwig is located in the United Kingdom, near the village of Dinorwig in Gwynedd, Wales. Its coordinates are 53.1181 N, -4.1032 W.
Dinorwig is a hydroelectric power plant, specifically a pumped-storage hydroelectric facility. It uses water pumped to an upper reservoir to generate electricity during peak demand.
Dinorwig has a capacity of 1,800 MW, making it one of the largest pumped-storage hydroelectric plants in Europe. It can generate enough electricity to power millions of homes during peak periods.
Hydroelectric plants in the UK are regulated under the Electricity Act 1989 and the Environmental Permitting Regulations. They must comply with environmental impact assessments and water abstraction licenses to protect aquatic ecosystems.
Dinorwig has a low carbon footprint as a renewable energy source. However, its reservoirs can alter local hydrology and habitats. The plant supports grid stability and renewable integration, reducing overall emissions.