UK's first small nuclear power station to be built in north Wales | BBC News

Key Concepts

• Small Modular Reactors (SMRs): Smaller, factory-built nuclear reactors designed for quicker and less expensive construction compared to traditional large-scale nuclear power stations.
• Wylfa Nuclear Power Station: A former nuclear power station in Anglesey, UK, which shut down a decade ago, leaving an economic gap.
• Great British Energy Nuclear: The entity responsible for developing and deploying the SMRs at the Wylfa site.
• Rolls-Royce SMRs: The specific type of small modular reactors chosen for the Wylfa project.
• Energy Mix: The combination of different energy sources used to power a country.
• National Grid: The interconnected network that distributes electricity.

Anglesey to Host UK's First Small Modular Reactors

Anglesey has been selected as the location for the UK's first small modular reactors (SMRs). These SMRs are characterized by their smaller size and faster construction times compared to conventional nuclear power plants. The government anticipates that these new reactors will be capable of powering approximately 3 million homes.

Wylfa Site: A New Beginning for a Former Nuclear Hub

The chosen site is the former Wylfa nuclear power station in Anglesey, which ceased operations about 10 years ago. This site, once a source of energy and employment, left a significant void in the local economy and the UK's energy landscape after its closure. The new SMRs are intended to fill this gap.

Rolls-Royce SMRs: Design and Deployment

The SMRs to be deployed are developed by Rolls-Royce. Their design allows them to be built as a "kit of parts" and then assembled on-site. The objective is to commence supplying power to the national grid by the mid-2030s.

Economic and Social Impact on Anglesey

The introduction of SMRs is projected to have a transformative effect on the economy of Anglesey. The closure of the previous nuclear power station, along with other industrial sites like the Anglesey Aluminium plant and several factories, has led to job losses and a migration of young people from the island. The prospect of 900 jobs at the Wylfa site is seen as a crucial factor in enabling young people to remain on the island, raise families, and contribute to its future.

Project Scope and Capacity

Work on the Wylfa site is scheduled to commence next year. Initially, three SMRs will be constructed. However, Great British Energy Nuclear has indicated that the site has the potential to accommodate up to eight SMRs in the future. The initial three reactors are expected to generate enough power for the equivalent of 3 million homes. For context, Welsh government figures from 2023 indicate there were nearly 1.5 million residential dwellings in Wales.

Advantages of SMRs Over Traditional Reactors

SMRs are expected to be quicker and more cost-effective to build than large, traditional nuclear reactors, such as the one currently under construction at Hinkley Point C in Somerset.

National Energy Strategy and Nuclear's Role

Currently, nuclear power accounts for only 13% of the UK's energy supply. The national aim is to triple global nuclear capacity by 2050, and SMRs are seen as a key technology to achieve this goal. It is also claimed that SMRs could eventually contribute to lowering energy prices.

Local Opposition and Concerns

Despite the potential benefits, the announcement has not been met with universal approval. Some residents on Anglesey have historically opposed nuclear power in the region and are questioning whether this development truly represents a positive new era for the island.