We’re keeping this ageing facility safe and secure as we clean it up in preparation for decommissioning and demolition.

The challenge

Sellafield has been at the forefront of pioneering nuclear technologies for almost 80 years.

The site opened in 1947 with a single mission; to produce plutonium for Britain’s nuclear deterrent.

In 5 short years, thousands of engineers, architects and construction workers designed and built a fully operational nuclear facility known as Windscale.

This included Britain’s first nuclear reactors; the Windscale Piles, as well as the Pile Fuel Storage Pond , the Pile Fuel Cladding Silo , and the First-Generation Reprocessing Plant .

These legacy buildings remain at Sellafield to this day and represent some of the most difficult and hazardous decommissi

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